From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 034CDC04A94 for ; Mon, 31 Jul 2023 16:58:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233662AbjGaQ6Y (ORCPT ); Mon, 31 Jul 2023 12:58:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233735AbjGaQ54 (ORCPT ); Mon, 31 Jul 2023 12:57:56 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB46B1FDA for ; Mon, 31 Jul 2023 09:57:43 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36V5lNJJ017071; Mon, 31 Jul 2023 11:57:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=7tXYtuHPujqaVHNe1XUnRwtzdST6xCvteK767YL3cjc=; b= WejIqFMAROEQlAOXVyi1lqXeaNMgfmBqJXKhpNwtVcwr4zPSjSjQ6xO8PsyeHmNl +SG5J4Ux85UvpCZRHN8OL6Di8RufFUclI7+3k219Mjhl3gLNEOT7sD7qIze9QFMg A+ciAKy/vMbnKLTvWDNFks2Cf2t0XFRJgpfbNvJUcRbQL/wMgXNWyZzItTt6kVZz DWQ4wF0oR4i1yzfAWP15sB8Ul59vSZawA0/4ZSAzRdeglm7rjjpNqtWEMbyaav0t TZNkZ2PoLYnKBBMR8TpTQxqceGfXs5NOKt+kph/JNARNMgheJRQWl/Bk3aAYLCis gWEyjlXbYSJs01U5i0dGIg== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg45-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:32 -0500 (CDT) Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:30 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:30 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 013A7475; Mon, 31 Jul 2023 16:57:29 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 1/9] ALSA: hda/cs35l56: Complete firmware reboot before calling cs_dsp_run() Date: Mon, 31 Jul 2023 17:57:18 +0100 Message-ID: <20230731165726.7940-2-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: 25uoaoNGsvz6CN9TtIiilzY2EMDVF4nX X-Proofpoint-ORIG-GUID: 25uoaoNGsvz6CN9TtIiilzY2EMDVF4nX X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Move the call to cs_dsp_run() in cs35l56_hda_fw_load() so that it is after the CS35L56 has been reset/reinit'd and the regmap cache has been synced. cs_dsp_run() syncs up ALSA control cache values with the DSP memory so this must not be done until the firmware has reinitialized. Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index 4c3279f61b94..c3acda2daeeb 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -562,12 +562,6 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs3= 5l56) if (coeff_filename) dev_dbg(cs35l56->base.dev, "Loaded Coefficients: %s\n", coeff_filename); =20 - ret =3D cs_dsp_run(&cs35l56->cs_dsp); - if (ret) { - dev_dbg(cs35l56->base.dev, "%s: cs_dsp_run ret %d\n", __func__, ret); - goto err; - } - if (cs35l56->base.secured) { ret =3D cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); if (ret) @@ -591,6 +585,11 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs3= 5l56) regmap_clear_bits(cs35l56->base.regmap, CS35L56_PROTECTION_STATUS, CS35L56_FIRMWARE_MISSING); cs35l56->base.fw_patched =3D true; + + ret =3D cs_dsp_run(&cs35l56->cs_dsp); + if (ret) + dev_dbg(cs35l56->base.dev, "%s: cs_dsp_run ret %d\n", __func__, ret); + err: pm_runtime_put(cs35l56->base.dev); mutex_unlock(&cs35l56->base.irq_lock); --=20 2.30.2 From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 753EDC001DC for ; Mon, 31 Jul 2023 16:58:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233786AbjGaQ6u (ORCPT ); Mon, 31 Jul 2023 12:58:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233856AbjGaQ6T (ORCPT ); Mon, 31 Jul 2023 12:58:19 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 915581986 for ; Mon, 31 Jul 2023 09:57:45 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36V5lNJK017071; Mon, 31 Jul 2023 11:57:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=COsUQaN/ErqOVMioTgwxTBAOGWPa/9gsBLSsEI2cT2A=; b= A9dafwKHWVwmWHxQyv/TdC6e8R+dzdJDt49STc7fSw2q/XQXVO0ECaFOx4SKySmm M1yozutFbDSUsLi9XxSsTGBvnctBmNoS9i3aBGhjjRsGQ3BSxDqtE6ixaZ37cBAN lk5Rdy+kXQVor6332GqARJiJ0fVEoWs8oxoDmYcG+t9GnvP9Yw3R3n9DICqS5cIZ H2NY3jgc5JRe89waXHeUuEWjbvpkqBelva0rC2bw2AtQqnKURdsyZnDg0PCz4Z4l fyPgn3AbVSYFgzIH11p7ew+bnrCKEsGFyNGLUvptymCEFjAqebh+pTcqD9G6d+cr OQ95okiKLwocbSmCvdLisQ== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg45-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:33 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:30 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:30 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 55A3D45D; Mon, 31 Jul 2023 16:57:30 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 2/9] ALSA: hda/cs35l56: Do not mark cache dirty after REINIT Date: Mon, 31 Jul 2023 17:57:19 +0100 Message-ID: <20230731165726.7940-3-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: kFB1f_oNiNMpBEAsCAcGXST23BTvhCOS X-Proofpoint-ORIG-GUID: kFB1f_oNiNMpBEAsCAcGXST23BTvhCOS X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Only call regcache_mark_dirty() in cs35l56_hda_fw_load() if the CS35L56 was SYSTEM_RESET. recache_mark_dirty() changes the behaviour of regcache_sync() to write out cache values that are not the default value, and skip cache values that are the default. AUDIO_REINIT does not reset the registers. regcache_mark_dirty() after AUDIO_REINIT could cause the regcache_sync() to sync registers incorrectly because it will assume that all registers have reset to default. Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index c3acda2daeeb..fda716e0db09 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -569,6 +569,7 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs35= l56) } else { /* Reset the device and wait for it to boot */ cs35l56_system_reset(&cs35l56->base, false); + regcache_mark_dirty(cs35l56->base.regmap); ret =3D cs35l56_wait_for_firmware_boot(&cs35l56->base); if (ret) goto err; @@ -579,7 +580,6 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs35= l56) if (ret) goto err; =20 - regcache_mark_dirty(cs35l56->base.regmap); regcache_sync(cs35l56->base.regmap); =20 regmap_clear_bits(cs35l56->base.regmap, CS35L56_PROTECTION_STATUS, --=20 2.30.2 From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F3A6C001DC for ; Mon, 31 Jul 2023 16:58:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233800AbjGaQ6z (ORCPT ); Mon, 31 Jul 2023 12:58:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233742AbjGaQ54 (ORCPT ); Mon, 31 Jul 2023 12:57:56 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E7D5213C for ; Mon, 31 Jul 2023 09:57:49 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36V5lNJL017071; Mon, 31 Jul 2023 11:57:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=AXY+yhAp337Xwcjj3zvet6CtUqG0Njj546QB9XWh5P4=; b= dR3leKCTZAVrxwO0wPK+UWwW3uv94qwZytByxI1VNDrgjUIld+LaOg3VSFvq2hEY gsi9PJRFqeakomq5K22j6ALxETFbYrdnfmRu+KoITHpQQPyX1zL373aWg1GkGwgv 0SMnFX2tNyPOY+gdVS2cpA3IHqtfp8MVt8aVvoUuzSgUL1+w4dhg3QqQnIwq36+G MXXkAf+0nckqRsfYqbrpj3J9sevjUTAgzEDKbwFuld6TEoHkvFiD0JpJ9YFabMFF uymVysTy77zAdAtemnmO/C4UiaFjiQFiN6aCpSpdmnkLuUySKhHi/fudSe3zEKsr gmOUdjQHVcKTGSPrzh+GpA== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg45-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:33 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:30 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:30 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id AEBFF11CA; Mon, 31 Jul 2023 16:57:30 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 3/9] ALSA: hda/cs35l56: Call cs_dsp_power_down() before reloading firmware Date: Mon, 31 Jul 2023 17:57:20 +0100 Message-ID: <20230731165726.7940-4-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: OyU2U_LcCaKSimPOtdrXDTdjC5YFF-F0 X-Proofpoint-ORIG-GUID: OyU2U_LcCaKSimPOtdrXDTdjC5YFF-F0 X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When firmware is reloaded after a system resume cs_dsp_power_down() should be called before calling cs_dsp_power_up(). The fw_patched flag should also be cleared and only set again if the firmware download succeeded. Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index fda716e0db09..b6b8cb21da75 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -527,6 +527,12 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs3= 5l56) char *wmfw_filename =3D NULL; int ret =3D 0; =20 + /* Prepare for a new DSP power-up */ + if (cs35l56->base.fw_patched) + cs_dsp_power_down(&cs35l56->cs_dsp); + + cs35l56->base.fw_patched =3D false; + cs35l56_hda_request_firmware_files(cs35l56, &wmfw_firmware, &wmfw_filenam= e, &coeff_firmware, &coeff_filename); =20 --=20 2.30.2 From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B142C001DE for ; Mon, 31 Jul 2023 16:58:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233728AbjGaQ6d (ORCPT ); Mon, 31 Jul 2023 12:58:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55088 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233749AbjGaQ55 (ORCPT ); Mon, 31 Jul 2023 12:57:57 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 276902139 for ; Mon, 31 Jul 2023 09:57:48 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36V5lNJM017071; Mon, 31 Jul 2023 11:57:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=B1C4dVatnD+uffpp5pD3N1ldXPScWgM6kyZfR+HGa+s=; b= mpl4OXY9B0oU0cjBazfalZ/A8CoYebXC1RbxoQ98HdDRxW5Oti2AyHxabXZzgYz4 gHrMP33fud0BN+gDsiTBq0XsNQ4Ci3osTqWPOQzbsVGI60xaKQ8fZ6HApWxTVqhl xZwbUPDZ0Ouv+iZu73zCYrxtiDUrHi0yhcf21rLX+IOqTE8afTIjQGFlA9/s2mVv Xfx6/bD7IoD5J35d5arsGqwHHpMHuAwqFiEX/W+TAVeraaCJDsBwrlgbULhVKUkC iTmuCg/NXYRNJk2jrlhJ5fMm3RZi857a7B/C7ZW/8ZJMKGPB/Ie/yO1owDl5S9OP bqsCkGaAv64jmitNjRlmXA== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg45-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:35 -0500 (CDT) Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:31 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:31 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 145CB475; Mon, 31 Jul 2023 16:57:31 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 4/9] ALSA: hda/cs35l56: Always power-up and start cs_dsp Date: Mon, 31 Jul 2023 17:57:21 +0100 Message-ID: <20230731165726.7940-5-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: WNdFe9nyl-Xi5Oa92oRKJiEztYsxl5-p X-Proofpoint-ORIG-GUID: WNdFe9nyl-Xi5Oa92oRKJiEztYsxl5-p X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Always call cs_dsp_power_up() and cs_dsp_run() in cs35l56_hda_fw_load() even if there aren't any firmware files to download. Also, if there aren't any firmware files to download there is no need to do cs35l56_firmware_shutdown() and cs35l56_system_reset(). If there aren't any firmware files there's no need to write anything to the CS35L56 registers to make it work - it will already be running the ROM firmware. So it's not strictly necessary to start cs_dsp. But it's perfectly ok to call cs_dsp_power_up() and cs_dsp_run() without downloading any firmware. This avoids having to support a state where audio is playing but cs_dsp is not running. Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index b6b8cb21da75..2870f82bfa45 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -536,10 +536,6 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs3= 5l56) cs35l56_hda_request_firmware_files(cs35l56, &wmfw_firmware, &wmfw_filenam= e, &coeff_firmware, &coeff_filename); =20 - /* Nothing to do - no firmware files were found to download */ - if (!wmfw_filename && !coeff_filename) - return 0; - mutex_lock(&cs35l56->base.irq_lock); pm_runtime_get_sync(cs35l56->base.dev); =20 @@ -549,7 +545,7 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs35= l56) * shutdown the firmware to apply them and can use the lower cost * reinit sequence instead. */ - if (!cs35l56->base.secured) { + if (!cs35l56->base.secured && (wmfw_firmware || coeff_firmware)) { ret =3D cs35l56_firmware_shutdown(&cs35l56->base); if (ret) goto err; @@ -572,8 +568,8 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs35= l56) ret =3D cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); if (ret) goto err; - } else { - /* Reset the device and wait for it to boot */ + } else if (wmfw_firmware || coeff_firmware) { + /* If we downloaded firmware, reset the device and wait for it to boot */ cs35l56_system_reset(&cs35l56->base, false); regcache_mark_dirty(cs35l56->base.regmap); ret =3D cs35l56_wait_for_firmware_boot(&cs35l56->base); --=20 2.30.2 From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18824C001DC for ; Mon, 31 Jul 2023 16:58:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233721AbjGaQ6a (ORCPT ); Mon, 31 Jul 2023 12:58:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233732AbjGaQ54 (ORCPT ); Mon, 31 Jul 2023 12:57:56 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A6421738 for ; Mon, 31 Jul 2023 09:57:45 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36VDp2Y2022362; Mon, 31 Jul 2023 11:57:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=uIxcNFIlhCWl+DHFeYj1CnUBImgYJ6FmRvXCKssmj0Y=; b= pgWhXHhoM571lbT5+7eFEG99yK8Y0Zy/5q+7ey11g/2RUMB61bfa+ZPtP/QZQFgj 4qOVAYm0ddVNUMwRT+qy3pnq3eKqSEK/twLAKrBD3y+OqBitRA/Ln6NT2/m2URPq 82iucUFPpcWd6v2EO1TRKcOfEgnQdXFVzcg2IxaveqeGpdtFrgahQ+2ygmQ/mU/b lYPxP0OPA5K3Zz8ZcWRc/R9ITGfrSECvXkNxzn8jWq50qmY8PVMKyxsfaNLLalPk oCPwI/fCNefjCz4Cvv7jO5XafoWSREB3BI8xrY1W4CAIHj3YkMku0Pt1g9Uo5yCi Up6yWGbLEeXqLSYqGzEksw== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg46-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:33 -0500 (CDT) Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:31 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:31 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 70B6311D3; Mon, 31 Jul 2023 16:57:31 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 5/9] ALSA: hda/cs35l56: Call cs_dsp_power_down() before calling cs_dsp_remove() Date: Mon, 31 Jul 2023 17:57:22 +0100 Message-ID: <20230731165726.7940-6-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: GwJk94tO8R7z1VWfOhv5pfJ5SXsoxW-V X-Proofpoint-ORIG-GUID: GwJk94tO8R7z1VWfOhv5pfJ5SXsoxW-V X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" In cs35l56_hda_unbind() cs_dsp_power_down() must be called to cleanup before calling cs_dsp_remove cs_dsp_remove(). Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index 2870f82bfa45..e8c41a4a0c40 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -649,6 +649,9 @@ static void cs35l56_hda_unbind(struct device *dev, stru= ct device *master, void * debugfs_remove_recursive(cs35l56->debugfs_root); #endif =20 + if (cs35l56->base.fw_patched) + cs_dsp_power_down(&cs35l56->cs_dsp); + cs_dsp_remove(&cs35l56->cs_dsp); =20 if (comps[cs35l56->index].dev =3D=3D dev) --=20 2.30.2 From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A938C001DC for ; Mon, 31 Jul 2023 16:58:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233750AbjGaQ6i (ORCPT ); Mon, 31 Jul 2023 12:58:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233751AbjGaQ55 (ORCPT ); Mon, 31 Jul 2023 12:57:57 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8FE68213D for ; Mon, 31 Jul 2023 09:57:50 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36V5lNJN017071; Mon, 31 Jul 2023 11:57:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=R7ZjjUfa6yJOj++gCN2+TabvdRaWxzaSedPyz17+U0k=; b= oLjutGfmin0E7RLlySjbfdbDa+44PhaRSXLZYdAAMUmSF/GvUGRRZHgdsOCafOCl Ejgrk3ZW+tSrGQtFR58CvV4+cRNPxDInLVviCiSoxB1yS0RaAikpyq6nrjnpChj9 l0DWmBOPSRd3QZGBxkEbeYtjICZRznrlzTtnwiVLUzendX95Mdrkm7eVrOcLUI3N 2nrSFdKBzm5MjPIbPoLkw+AOaGYkUPz+dvZSI8fOgcPUQCuzH9gOuhASUcLLlCte kUJQ5+LnjPaIz/UPrCiA3ODrfYWJ637+Qsbl97SEFUZNf07e0ftbazJDSeEoXYkt keMuQKhUl435GnYzWxW9MQ== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg45-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:35 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:32 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:32 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id CEA4E45D; Mon, 31 Jul 2023 16:57:31 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 6/9] ALSA: hda/cs35l56: cs_dsp_power_down() on cs35l56_hda_fw_load() error path Date: Mon, 31 Jul 2023 17:57:23 +0100 Message-ID: <20230731165726.7940-7-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: bB_xhwoyVLFnhBvAfJRqahOqp3F2rvgI X-Proofpoint-ORIG-GUID: bB_xhwoyVLFnhBvAfJRqahOqp3F2rvgI X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If cs35l56_hda_fw_load() successfully called cs_dsp_power_up() the error path must balance that with a call to cs_dsp_power_down(). Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index e8c41a4a0c40..803fa2da9ea4 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -567,20 +567,20 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs= 35l56) if (cs35l56->base.secured) { ret =3D cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); if (ret) - goto err; + goto err_powered_up; } else if (wmfw_firmware || coeff_firmware) { /* If we downloaded firmware, reset the device and wait for it to boot */ cs35l56_system_reset(&cs35l56->base, false); regcache_mark_dirty(cs35l56->base.regmap); ret =3D cs35l56_wait_for_firmware_boot(&cs35l56->base); if (ret) - goto err; + goto err_powered_up; } =20 /* Disable auto-hibernate so that runtime_pm has control */ ret =3D cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_PREVENT_AUTO_H= IBERNATE); if (ret) - goto err; + goto err_powered_up; =20 regcache_sync(cs35l56->base.regmap); =20 @@ -592,6 +592,9 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs35= l56) if (ret) dev_dbg(cs35l56->base.dev, "%s: cs_dsp_run ret %d\n", __func__, ret); =20 +err_powered_up: + if (!cs35l56->base.fw_patched) + cs_dsp_power_down(&cs35l56->cs_dsp); err: pm_runtime_put(cs35l56->base.dev); mutex_unlock(&cs35l56->base.irq_lock); --=20 2.30.2 From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68971C001DC for ; Mon, 31 Jul 2023 16:58:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233763AbjGaQ6n (ORCPT ); Mon, 31 Jul 2023 12:58:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233765AbjGaQ56 (ORCPT ); Mon, 31 Jul 2023 12:57:58 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDF04268F for ; Mon, 31 Jul 2023 09:57:51 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36V5lNJO017071; Mon, 31 Jul 2023 11:57:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=DFQy9O4rVl1fkUzjYQguq6VsjkwR+stb5618BZFSP9g=; b= GXj7G97GLpBXmDuPdeCnNCloJ7nG4k+fnNYQtwHw8TdnH2/uXLD9hsZHSGB53SWa fR20aHMQoV6yrS4l7oJD9HnPlSGGOngmjg8p1rOfmBadxWBLxvFizVqBR4UzHQYF qC5CEAYz+0AuMSMwfKmTjnKAxk2aJpUSeog8CFY1NUC97OLnHzA0hgNjQqSz4WjQ nvzlcMcEMZHyXiQvEzuup0ypYx8SfBFdy9mQmBYQqWoMdd6sK6Q3IB1LVI90WJdI hJjUmLYAM1dtaPYyzgMZw5vd8Oe/m4LQgDmU6IdcL4NmPuCFcoaqoqwZWNVENpm1 xLh/DA8ZTOWNl5/uLIWXag== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg45-6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:36 -0500 (CDT) Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:32 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:32 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 3C28C475; Mon, 31 Jul 2023 16:57:32 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 7/9] ALSA: hda/cs35l56: Do not download firmware over existing RAM firmware Date: Mon, 31 Jul 2023 17:57:24 +0100 Message-ID: <20230731165726.7940-8-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: VQTKml7zteD00oUvbI_K6i472yRGO6xo X-Proofpoint-ORIG-GUID: VQTKml7zteD00oUvbI_K6i472yRGO6xo X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" A RAM firmware can only be downloaded if the CS35L56 is currently running from ROM firmware. The driver must not try to overwrite the RAM if the CS35L56 is already running from that RAM. Firmware can be downloaded in these two cases: - The BIOS has already patched the firmware (secured mode). In this case the firmware files will only contain tunings that are safe to overwrite. - The CS35L56 is running the built-in ROM firmware. After a RAM firmware has been downloaded it can only be cleared by hard resetting CS35L56. Some systems only hard-reset during power-on and do not give the driver control of hard reset. Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 27 +++++++++++++++++++++++---- 1 file changed, 23 insertions(+), 4 deletions(-) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index 803fa2da9ea4..8f1665d38c92 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -525,6 +525,7 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs35= l56) const struct firmware *wmfw_firmware =3D NULL; char *coeff_filename =3D NULL; char *wmfw_filename =3D NULL; + unsigned int firmware_missing; int ret =3D 0; =20 /* Prepare for a new DSP power-up */ @@ -533,11 +534,28 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs= 35l56) =20 cs35l56->base.fw_patched =3D false; =20 - cs35l56_hda_request_firmware_files(cs35l56, &wmfw_firmware, &wmfw_filenam= e, - &coeff_firmware, &coeff_filename); + pm_runtime_get_sync(cs35l56->base.dev); + + ret =3D regmap_read(cs35l56->base.regmap, CS35L56_PROTECTION_STATUS, &fir= mware_missing); + if (ret) { + dev_err(cs35l56->base.dev, "Failed to read PROTECTION_STATUS: %d\n", ret= ); + goto err_pm_put; + } + + firmware_missing &=3D CS35L56_FIRMWARE_MISSING; + + /* + * Firmware can only be downloaded if the CS35L56 is secured or is + * running from the built-in ROM. If it is secured the BIOS will have + * downloaded firmware, and the wmfw/bin files will only contain + * tunings that are safe to download with the firmware running. + */ + if (cs35l56->base.secured || firmware_missing) { + cs35l56_hda_request_firmware_files(cs35l56, &wmfw_firmware, &wmfw_filena= me, + &coeff_firmware, &coeff_filename); + } =20 mutex_lock(&cs35l56->base.irq_lock); - pm_runtime_get_sync(cs35l56->base.dev); =20 /* * When the device is running in secure mode the firmware files can @@ -596,11 +614,12 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs= 35l56) if (!cs35l56->base.fw_patched) cs_dsp_power_down(&cs35l56->cs_dsp); err: - pm_runtime_put(cs35l56->base.dev); mutex_unlock(&cs35l56->base.irq_lock); =20 cs35l56_hda_release_firmware_files(wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename); +err_pm_put: + pm_runtime_put(cs35l56->base.dev); =20 return ret; } --=20 2.30.2 From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50CB3C001DC for ; Mon, 31 Jul 2023 16:58:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233812AbjGaQ65 (ORCPT ); Mon, 31 Jul 2023 12:58:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55088 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233884AbjGaQ6V (ORCPT ); Mon, 31 Jul 2023 12:58:21 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA2E219AC for ; Mon, 31 Jul 2023 09:57:54 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36V5lNJP017071; Mon, 31 Jul 2023 11:57:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s= PODMain02222019; bh=kRJVBU+w59VixbMTEBoEeJzDYTKtrgAfvQuFksOXNx0=; b= ZCja9J4LUmngD4dKpu4UV4uTEGLSZPaw56mjm4odBmi7vOm1ioEEwiOynETFu+L+ 0SsehrOJmveWuyWa3ro9AyZ8Z1hpYmE5Vo+xjjAmaCuKHexCE7yxF2KPXbi17l2A roSDAvemQrBs26Gk8Z4+VizY/fydbkBP6WJ8d6SePhFCRAACPlaP2ZDsD1kTak3r x3/aBrfDLzJHmnPF6aazYANOsjyB56u3zJnWdM57mmtDXqOCc0OFYdilYTPra8xu FkCTztR/+5D2yr+nK+P+iEKbkdxN00uOnWvZlaT8IJ3VXyBgW3A6VkTdhy8EWcd5 FqgZWrdXyUD0LME0rLBPhg== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg45-7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:37 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:32 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:32 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 9976B11D3; Mon, 31 Jul 2023 16:57:32 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 8/9] ALSA: hda/cs35l56: Fail if .bin not found and firmware not patched Date: Mon, 31 Jul 2023 17:57:25 +0100 Message-ID: <20230731165726.7940-9-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: KD3mdf9fl-XadVx_X5Byy68JUQFon4mY X-Proofpoint-ORIG-GUID: KD3mdf9fl-XadVx_X5Byy68JUQFon4mY X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A tuning patch is always needed to enable the ASP audio port. If the BIOS did not patch the firmware, then it is mandatory to have a .bin file. Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index 8f1665d38c92..004740509dbd 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -555,6 +555,16 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs3= 5l56) &coeff_firmware, &coeff_filename); } =20 + /* + * If the BIOS didn't patch the firmware a bin file is mandatory to + * enable the ASP=C2=B7 + */ + if (!coeff_firmware && firmware_missing) { + dev_err(cs35l56->base.dev, ".bin file required but not found\n"); + ret =3D -ENOENT; + goto err_fw_release; + } + mutex_lock(&cs35l56->base.irq_lock); =20 /* @@ -615,7 +625,7 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs35= l56) cs_dsp_power_down(&cs35l56->cs_dsp); err: mutex_unlock(&cs35l56->base.irq_lock); - +err_fw_release: cs35l56_hda_release_firmware_files(wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename); err_pm_put: --=20 2.30.2 From nobody Sun Feb 8 05:07:56 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E920CC001DC for ; Mon, 31 Jul 2023 16:59:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233819AbjGaQ7C (ORCPT ); Mon, 31 Jul 2023 12:59:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233526AbjGaQ6X (ORCPT ); Mon, 31 Jul 2023 12:58:23 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2AF881BCE for ; Mon, 31 Jul 2023 09:57:57 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 36V5lNJQ017071; Mon, 31 Jul 2023 11:57:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=RHyGoQzk1u5genvtgwGtlQ8eSjyHd0Gs4TL3IEXqR+A=; b= U5vUnEnlzFelQxYvCphDPRU+MpWHHJHBUlJdiIZ2pV5SukOR1kJsHs7jFzettXd0 JSXzGjb69lZ1F4B8ry1mCQjUVDa1kOTJNYR/avSjGwbziEXkPxa3+Z8SHgJigucC WcMzCVjkINQ6bEYErJXVGoFgNLiNSfr4t2eUA5bC5meCxps3tXPGp7zjp0uAWhjX AdNvcJMxNu8UPe/cn7fKI9RAsywS0RNKIybfyytIq4xUFi5xtpkDYaCIilf7fKVj i8xknsPGQUF2p4CxxAsk9JRzTQHERSGvcJ72CqAV59TX3y682EPBqbYNL4/gKPPJ pZEHXXu/49KRpbEgZKvfWg== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3s5gk1sg45-8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 31 Jul 2023 11:57:38 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 31 Jul 2023 17:57:33 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.2.1118.30 via Frontend Transport; Mon, 31 Jul 2023 17:57:33 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.107]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 07796475; Mon, 31 Jul 2023 16:57:32 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , , Richard Fitzgerald Subject: [PATCH 9/9] ALSA: hda/cs35l56: Reject I2C alias addresses Date: Mon, 31 Jul 2023 17:57:26 +0100 Message-ID: <20230731165726.7940-10-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230731165726.7940-1-rf@opensource.cirrus.com> References: <20230731165726.7940-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: aR0Fv-GAtzh-w4nrEOUP9pw2wCSgsztH X-Proofpoint-ORIG-GUID: aR0Fv-GAtzh-w4nrEOUP9pw2wCSgsztH X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The ACPI nodes for CS35L56 can contain an extra I2CSerialBusV2 that is not a real device, it is an alias address. This alias address will not be in the cirrus,dev-index array, so reject any instantions with a device address not found in the array. Signed-off-by: Richard Fitzgerald --- sound/pci/hda/cs35l56_hda.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index 004740509dbd..76b9c685560b 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -852,8 +852,12 @@ static int cs35l56_hda_read_acpi(struct cs35l56_hda *c= s35l56, int id) break; } } + /* + * It's not an error for the ID to be missing: for I2C there can be + * an alias address that is not a real device. So reject silently. + */ if (cs35l56->index =3D=3D -1) { - dev_err(cs35l56->base.dev, "No index found in %s\n", property); + dev_dbg(cs35l56->base.dev, "No index found in %s\n", property); ret =3D -ENODEV; goto err; } @@ -891,7 +895,8 @@ static int cs35l56_hda_read_acpi(struct cs35l56_hda *cs= 35l56, int id) return 0; =20 err: - dev_err(cs35l56->base.dev, "Failed property %s: %d\n", property, ret); + if (ret !=3D -ENODEV) + dev_err(cs35l56->base.dev, "Failed property %s: %d\n", property, ret); =20 return ret; } @@ -904,10 +909,8 @@ int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l= 56, int id) dev_set_drvdata(cs35l56->base.dev, cs35l56); =20 ret =3D cs35l56_hda_read_acpi(cs35l56, id); - if (ret) { - dev_err_probe(cs35l56->base.dev, ret, "Platform not supported\n"); + if (ret) goto err; - } =20 cs35l56->amp_name =3D devm_kasprintf(cs35l56->base.dev, GFP_KERNEL, "AMP%= d", cs35l56->index + 1); --=20 2.30.2