From nobody Thu Sep 11 23:39:17 2025 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 6E5A2C04A6A for ; Tue, 8 Aug 2023 19:45:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233839AbjHHTpI (ORCPT ); Tue, 8 Aug 2023 15:45:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235315AbjHHToq (ORCPT ); Tue, 8 Aug 2023 15:44:46 -0400 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65A8F117A02 for ; Tue, 8 Aug 2023 09:48:07 -0700 (PDT) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 378GfYwE012826; Tue, 8 Aug 2023 11:47:06 -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=Mt28dTgZ7PN6kO/FpAGHcn+lAjxM4yoMpXnoYmoEICM=; b= oPIzpcGViEhf22/FDG+vD+CfVPnzGYPiXgctTKouarGtNDf6G2s3sLxE5s72H2Ef bpm1w1jZOwk5mLqZgXOePSh/DcFG4n+TsefJhSugbBEuvVsX7ZaFlmV4Vk7jCWT7 4bI+6Ki1oGnbl7ZPY5sK2DwgFJvnviWgJMB4x2cyxBdtmhZ/q7CyPSYW87ZA5XoA f92toe1BTCFqlixXNH8M9SIDZou9IOMteAIk4SPW9Nc6a4j0DPHS/e1oliqS0gwE drYNJZdfgTEsYT7FbFhyqoxp5vCOiyxbK6PPTW3CPd1mVD1+iacz1HAbh6Q09T/k CB/WncpoeOiz/AgOz9LiOQ== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3s9juhtucr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 08 Aug 2023 11:47:06 -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; Tue, 8 Aug 2023 17:47:04 +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; Tue, 8 Aug 2023 17:47:04 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.220]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id A41F515B7; Tue, 8 Aug 2023 16:47:04 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , Richard Fitzgerald Subject: [PATCH 1/5] ASoC: cs35l56: Avoid uninitialized variable in cs35l56_set_asp_slot_positions() Date: Tue, 8 Aug 2023 17:46:58 +0100 Message-ID: <20230808164702.21272-2-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230808164702.21272-1-rf@opensource.cirrus.com> References: <20230808164702.21272-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: 5TEVI71sAI4bd-azc_I1dsY-qWuAlvMR X-Proofpoint-ORIG-GUID: 5TEVI71sAI4bd-azc_I1dsY-qWuAlvMR X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Re-implement setting of ASP TDM slots so that only the common loop to build the register word is factored out. The original cs35l56_set_asp_slot_positions() had an apparent uninitialized variable if the passed register address was neither of the ASP slot registers. In fact this would never happen because the calling code passed valid registers. While it's trivial to initialize the variable or add a default case, actually the only common code was the loop at the end of the function, which simply manipulates some mask values and is identical for either register. Factoring out the regmap_write() didn't really gain anything. So instead re-implement the code to replace the original function with cs35l56_make_tdm_config_word() that only does the loop, and change the calling code to call regmap_write() directly. Signed-off-by: Richard Fitzgerald --- sound/soc/codecs/cs35l56.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index 19b6b4fbe5de..be400208205a 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -358,22 +358,11 @@ static int cs35l56_asp_dai_set_fmt(struct snd_soc_dai= *codec_dai, unsigned int f return 0; } =20 -static void cs35l56_set_asp_slot_positions(struct cs35l56_private *cs35l56, - unsigned int reg, unsigned long mask) +static unsigned int cs35l56_make_tdm_config_word(unsigned int reg_val, uns= igned long mask) { - unsigned int reg_val, channel_shift; + unsigned int channel_shift; int bit_num; =20 - /* Init all slots to 63 */ - switch (reg) { - case CS35L56_ASP1_FRAME_CONTROL1: - reg_val =3D 0x3f3f3f3f; - break; - case CS35L56_ASP1_FRAME_CONTROL5: - reg_val =3D 0x3f3f3f; - break; - } - /* Enable consecutive TX1..TXn for each of the slots set in mask */ channel_shift =3D 0; for_each_set_bit(bit_num, &mask, 32) { @@ -382,7 +371,7 @@ static void cs35l56_set_asp_slot_positions(struct cs35l= 56_private *cs35l56, channel_shift +=3D 8; } =20 - regmap_write(cs35l56->base.regmap, reg, reg_val); + return reg_val; } =20 static int cs35l56_asp_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned = int tx_mask, @@ -418,8 +407,11 @@ static int cs35l56_asp_dai_set_tdm_slot(struct snd_soc= _dai *dai, unsigned int tx if (rx_mask =3D=3D 0) rx_mask =3D 0xf; // ASPTX1..TX4 in slots 0..3 =20 - cs35l56_set_asp_slot_positions(cs35l56, CS35L56_ASP1_FRAME_CONTROL1, rx_m= ask); - cs35l56_set_asp_slot_positions(cs35l56, CS35L56_ASP1_FRAME_CONTROL5, tx_m= ask); + /* Default unused slots to 63 */ + regmap_write(cs35l56->base.regmap, CS35L56_ASP1_FRAME_CONTROL1, + cs35l56_make_tdm_config_word(0x3f3f3f3f, rx_mask)); + regmap_write(cs35l56->base.regmap, CS35L56_ASP1_FRAME_CONTROL5, + cs35l56_make_tdm_config_word(0x3f3f3f, tx_mask)); =20 dev_dbg(cs35l56->base.dev, "tdm slot width: %u count: %u tx_mask: %#x rx_= mask: %#x\n", cs35l56->asp_slot_width, cs35l56->asp_slot_count, tx_mask, rx_mask); --=20 2.30.2 From nobody Thu Sep 11 23:39:17 2025 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 24D6DC001B0 for ; Tue, 8 Aug 2023 19:27:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236178AbjHHT15 (ORCPT ); Tue, 8 Aug 2023 15:27:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236116AbjHHT1l (ORCPT ); Tue, 8 Aug 2023 15:27:41 -0400 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E01474AFA for ; Tue, 8 Aug 2023 10:19:45 -0700 (PDT) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 378GfYwF012826; Tue, 8 Aug 2023 11:47:07 -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=AuMoPk2SddtMqxj2LNmox9QFPh23Jlu82ndLix93u4E=; b= NgvX80+c/S3jRDKQoq6/Tl6nnBWUNJTjjr1K9/iNKeMNkkkmjtGDpevVnEXj9d9Z OaxEI8uh7N79xrF0Qj32phy0DgEr1O/bbtPnWBnqwX/GL2pCblCLYiaNWTEZK4ui xwnIViwTgSsxbGEkDDaqgz8H2xJMTrGsPu6WEUGdvXACPOBg9cmeqqel8Z4EdmGq p2ZvTZ1KLF6qSql5NYIOIV53wt7ltBqu7w2ZDU2YzH58uaUfJmXfnZ8jfTFYZHON 0WRiwcnmHMU4De2Pi+0MncwwTsOcXBlrTDcIyu0WACX1H6OGbPMO10VT2lIjzVNO C9/ODoE5Z15I55dNaDB//g== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3s9juhtucr-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 08 Aug 2023 11:47:07 -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; Tue, 8 Aug 2023 17:47:05 +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; Tue, 8 Aug 2023 17:47:05 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.220]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id F32E43563; Tue, 8 Aug 2023 16:47:04 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , Richard Fitzgerald Subject: [PATCH 2/5] ASoC: cs35l56: Don't rely on GPIOD_OUT_LOW to set RESET initially low Date: Tue, 8 Aug 2023 17:46:59 +0100 Message-ID: <20230808164702.21272-3-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230808164702.21272-1-rf@opensource.cirrus.com> References: <20230808164702.21272-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: VpSh-Y7tixG6CeifcVqE4kD-QZaxSsK7 X-Proofpoint-ORIG-GUID: VpSh-Y7tixG6CeifcVqE4kD-QZaxSsK7 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 setting for a GPIO default state has higher priority than the flag passed to devm_gpiod_get_optional() so ACPI can override the GPIOD_OUT_LOW. Explicitly set the GPIO low when hard resetting. Although GPIOD_OUT_LOW can't be relied on this doesn't seem like a reason to stop passing it to devm_gpiod_get_optional(). So we still pass it to state our intent, but can deal with it having no effect. Signed-off-by: Richard Fitzgerald --- sound/soc/codecs/cs35l56.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index be400208205a..9560059c867b 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -1069,6 +1069,8 @@ int cs35l56_common_probe(struct cs35l56_private *cs35= l56) return dev_err_probe(cs35l56->base.dev, ret, "Failed to enable supplies\= n"); =20 if (cs35l56->base.reset_gpio) { + /* ACPI can override GPIOD_OUT_LOW flag so force it to start low */ + gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); cs35l56_wait_min_reset_pulse(); gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); } --=20 2.30.2 From nobody Thu Sep 11 23:39:17 2025 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 A1C19C001B0 for ; Tue, 8 Aug 2023 18:46:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232895AbjHHSqP (ORCPT ); Tue, 8 Aug 2023 14:46:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232905AbjHHSpt (ORCPT ); Tue, 8 Aug 2023 14:45:49 -0400 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B7BD114C81 for ; Tue, 8 Aug 2023 09:47:42 -0700 (PDT) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 378GfYwG012826; Tue, 8 Aug 2023 11:47:07 -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=7RZLhRQ+381XYUDrqoqfoe0OVQjJKugGtd0GWZHvb+4=; b= O/pVAMLEaRntg+Ct3WXnVTbK6hmMBeSwKpZPzyWrb+VqZjQd2GLEul+R7gUkuUFx 2NiOZEbPJNiwuEqWvbeM1mtSX0ZiQrckGtX7LANoOEZT0hP75Ts6tKOtz+sBHhfq 3uafn4i2w/ij1Cjcco0BRkkQStBS/+7G2kEGkjPCLcYZkjtvMf9CaWgLnY43R3ZM qZ08SVK8+6I9YHXmNleskA1zVS8AZI+W1SqY72D7zGReY17KT84/Su9AMOLW5vLn QQoWaV//qC0vgb8KNdKOFxrsNCmGDRyRa6HyRSCpjiqyU+BJvsyCwKe5qsOL2Ys7 0SgMTt6a5ddVEahHGwFMnQ== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3s9juhtucr-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 08 Aug 2023 11:47:07 -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; Tue, 8 Aug 2023 17:47:05 +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; Tue, 8 Aug 2023 17:47:05 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.220]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 4E8963575; Tue, 8 Aug 2023 16:47:05 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , Richard Fitzgerald Subject: [PATCH 3/5] ASoC: cs35l56: Wait for control port ready during system-resume Date: Tue, 8 Aug 2023 17:47:00 +0100 Message-ID: <20230808164702.21272-4-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230808164702.21272-1-rf@opensource.cirrus.com> References: <20230808164702.21272-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: XHuMFLKBPZboRX8wriv0npaa4Urk6y63 X-Proofpoint-ORIG-GUID: XHuMFLKBPZboRX8wriv0npaa4Urk6y63 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 CS35L56 could be hard-reset during a system suspend-resume cycle, either by the codec driver, in cs35l56_system_resume_early(), or by ACPI. After a hard reset the driver must wait for the control port to be ready (datasheet tIRS time) before attempting to access the CS35L56. Signed-off-by: Richard Fitzgerald --- sound/soc/codecs/cs35l56.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index 9560059c867b..094bcbd0a174 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -952,6 +952,12 @@ int cs35l56_system_resume(struct device *dev) =20 dev_dbg(dev, "system_resume\n"); =20 + /* + * We might have done a hard reset or the CS35L56 was power-cycled + * so wait for control port to be ready. + */ + cs35l56_wait_control_port_ready(); + /* Undo pm_runtime_force_suspend() before re-enabling the irq */ ret =3D pm_runtime_force_resume(dev); if (cs35l56->base.irq) --=20 2.30.2 From nobody Thu Sep 11 23:39:17 2025 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 C9EF7C001B0 for ; Tue, 8 Aug 2023 18:55:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232676AbjHHSzs (ORCPT ); Tue, 8 Aug 2023 14:55:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233097AbjHHSzU (ORCPT ); Tue, 8 Aug 2023 14:55:20 -0400 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A3E76D4E7 for ; Tue, 8 Aug 2023 10:13:26 -0700 (PDT) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 378F5h5e030864; Tue, 8 Aug 2023 11:47:06 -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=DHwKlQABuWJSJlMrBP0tMZ5Qj6m10MGJY4M7p6mGmqo=; b= c2D/cGWnZfcQ0Jk8sbq5M0/P0rJCE+sXAYOPOGmFcRho+lSTw1WFuLt+nV/JNjSY JlaBEvrdq+3GTNQAc3SU5mUCNOleKoGqI8gvHFB90SUiCrjs3D9Y8JTqW6Cex7Xq RXP1+OfBty7GPUvV4B1G9DJj9es86UMWLhvndAeTn6dWb9CzTxvxNWgcrari8HDD Yngfs1BHgflsN7EAD0bhQAV4pPTRXJIKoCjrmSojfBEIVRcg+jCporpaCMwSNGQJ FNmldr4+3vLZfUkORq9x59HFweD0ZEVVLI3qo5htBfYyOhqpMFsffn1AJV1Lx2UY /QHj/mHz56Bf7db/5SUN2Q== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3s9juhtucq-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 08 Aug 2023 11:47:06 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) 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; Tue, 8 Aug 2023 17:47:06 +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; Tue, 8 Aug 2023 17:47:06 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.220]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id A949F15B7; Tue, 8 Aug 2023 16:47:05 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , Simon Trimmer , Richard Fitzgerald Subject: [PATCH 4/5] ASoC: wm_adsp: Expose the DSP power down actions as wm_adsp_power_down() Date: Tue, 8 Aug 2023 17:47:01 +0100 Message-ID: <20230808164702.21272-5-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230808164702.21272-1-rf@opensource.cirrus.com> References: <20230808164702.21272-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: ZAU_kgMQiXl-jgql4BPkaDIKLgpxLNZQ X-Proofpoint-ORIG-GUID: ZAU_kgMQiXl-jgql4BPkaDIKLgpxLNZQ X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Simon Trimmer To support self-booting DSPs that operate outside of a conventional DAPM event life cycle expose a companion function to wm_adsp_power_up() so that the correct state of the DSP firmware and controls can be recorded. Signed-off-by: Simon Trimmer Signed-off-by: Richard Fitzgerald --- sound/soc/codecs/wm_adsp.c | 8 +++++++- sound/soc/codecs/wm_adsp.h | 1 + 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 5a89abfe8784..13f500fa9a5f 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -1025,6 +1025,12 @@ int wm_adsp_power_up(struct wm_adsp *dsp) } EXPORT_SYMBOL_GPL(wm_adsp_power_up); =20 +void wm_adsp_power_down(struct wm_adsp *dsp) +{ + cs_dsp_power_down(&dsp->cs_dsp); +} +EXPORT_SYMBOL_GPL(wm_adsp_power_down); + static void wm_adsp_boot_work(struct work_struct *work) { struct wm_adsp *dsp =3D container_of(work, @@ -1046,7 +1052,7 @@ int wm_adsp_early_event(struct snd_soc_dapm_widget *w, queue_work(system_unbound_wq, &dsp->boot_work); break; case SND_SOC_DAPM_PRE_PMD: - cs_dsp_power_down(&dsp->cs_dsp); + wm_adsp_power_down(dsp); break; default: break; diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h index 769904d34a87..3044f964ac14 100644 --- a/sound/soc/codecs/wm_adsp.h +++ b/sound/soc/codecs/wm_adsp.h @@ -92,6 +92,7 @@ int wm_adsp_early_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); =20 int wm_adsp_power_up(struct wm_adsp *dsp); +void wm_adsp_power_down(struct wm_adsp *dsp); =20 irqreturn_t wm_adsp2_bus_error(int irq, void *data); irqreturn_t wm_halo_bus_error(int irq, void *data); --=20 2.30.2 From nobody Thu Sep 11 23:39:17 2025 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 BBA02C001B0 for ; Tue, 8 Aug 2023 20:39:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233070AbjHHUjR (ORCPT ); Tue, 8 Aug 2023 16:39:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233148AbjHHUit (ORCPT ); Tue, 8 Aug 2023 16:38:49 -0400 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A2A417758A for ; Tue, 8 Aug 2023 10:20:42 -0700 (PDT) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 378F5h5f030864; Tue, 8 Aug 2023 11:47:07 -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=enamRFxwNNWkXUDA7dzl08MLaVLqHvLONRfo2RP3k/s=; b= Uh5hncoUkCW4siX1GIoA5jmqucwjEnu6mmXnnq+6QKnWEmEgxlJTxVxhEBpBKdbY KiQZwoN7exjyAYQ8VIeUcpF+VdaCZhNGShtxeQPurpLb/YlUUWJ3cwoOCHyx4Rfj Arew95VJCXsrxfKFxfdIpJJfXDZME/9ldJGfA07f/H6QVXWeXAF3jFkQtOIq8IXD h1QUlrzCGc206T3vzz1lh9SZWZiz06/eVpHJvPn8j1RllIxZLMFeiUiF+gU/BsJM cIbTCVVvzP6375TZbjAlZoM4/ZImDFFO/CwM/onAtlsHa71fhWcXosDy+JbT6oSR GqdpgHleG90miPDhwCb5/Q== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3s9juhtucq-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 08 Aug 2023 11:47:07 -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; Tue, 8 Aug 2023 17:47:06 +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; Tue, 8 Aug 2023 17:47:06 +0100 Received: from EDIN4L06LR3.ad.cirrus.com (EDIN4L06LR3.ad.cirrus.com [198.61.64.220]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 1C6B03578; Tue, 8 Aug 2023 16:47:06 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , Simon Trimmer , Richard Fitzgerald Subject: [PATCH 5/5] ASoC: cs35l56: Call wm_adsp_power_down() before reloading firmware Date: Tue, 8 Aug 2023 17:47:02 +0100 Message-ID: <20230808164702.21272-6-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230808164702.21272-1-rf@opensource.cirrus.com> References: <20230808164702.21272-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: -S0Cs10N98DiKe82HW-XpWhskMJfyFLR X-Proofpoint-ORIG-GUID: -S0Cs10N98DiKe82HW-XpWhskMJfyFLR X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Simon Trimmer When cs35l56_system_resume() needs to reload firmware it should call wm_adsp_power_down() to put cs_dsp into a powered-down state before cs35l56_secure_patch() or cs35l56_patch() calls wm_adsp_power_up(). Signed-off-by: Simon Trimmer Signed-off-by: Richard Fitzgerald --- sound/soc/codecs/cs35l56.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index 094bcbd0a174..80e7fddae926 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -976,6 +976,7 @@ int cs35l56_system_resume(struct device *dev) return ret; =20 cs35l56->base.fw_patched =3D false; + wm_adsp_power_down(&cs35l56->dsp); queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work); =20 /* --=20 2.30.2