From nobody Wed Feb 11 08:58:31 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 686B0C77B75 for ; Mon, 8 May 2023 07:15:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232993AbjEHHPv (ORCPT ); Mon, 8 May 2023 03:15:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232571AbjEHHPr (ORCPT ); Mon, 8 May 2023 03:15:47 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 441BD1701 for ; Mon, 8 May 2023 00:15:41 -0700 (PDT) X-UUID: 205b3ff2ed7011ed9cb5633481061a41-20230508 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=lEcK41cF/2ml3/KbufJ41Q6kgd0u5/fZkFnkmWvxe/c=; b=TyYwJ8pRMlaZ/UNpzAWzR3S7Phm3ON/5qjs3e9d8o5Nlqe0Rzp7P7d4kXGR8CHyCaXTRSbHQpsMIJ8BfGqmz/xV5JBWPuunIlu7f8J2JKoAL7plhqbezjBS1rfex9ET99VCEtj8LugJO5KniYOgnqzkqIoJtoa1biwCMzGyNLes=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.23,REQID:3e99be07-dc71-48a2-bc0b-c27595f2780e,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:95 X-CID-INFO: VERSION:1.1.23,REQID:3e99be07-dc71-48a2-bc0b-c27595f2780e,IP:0,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTION :quarantine,TS:95 X-CID-META: VersionHash:697ab71,CLOUDID:0f8f1ec0-e32c-4c97-918d-fbb3fc224d4e,B ulkID:2305081515373MEH8N96,BulkQuantity:0,Recheck:0,SF:19|48|38|29|28|17,T C:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 ,OSI:0,OSA:0,AV:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-UUID: 205b3ff2ed7011ed9cb5633481061a41-20230508 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 954417772; Mon, 08 May 2023 15:15:35 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 8 May 2023 15:15:34 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 8 May 2023 15:15:34 +0800 From: Trevor Wu To: , , , , , CC: , , , , , , Subject: [PATCH 4/4] ASoC: mediatek: mt6359: update route for lineout mux Date: Mon, 8 May 2023 15:15:32 +0800 Message-ID: <20230508071532.21665-5-trevor.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230508071532.21665-1-trevor.wu@mediatek.com> References: <20230508071532.21665-1-trevor.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Originally, lineout playback source can only be DAC_3RD. Some SoC masters only support stereo MTKAIF outputs, so lineout path can't be used in such case. MTKAIF connections are as follows. MOSI0 -> DAC_L MOSI1 -> DAC_R MOSI2 -> DAC_3rd In the patch, lineout playback source can be chosen between DAC_L and DAC_3rd, so sound can be outputted via lineout even though SoC only supports stereo MTKAIF outputs. Signed-off-by: Trevor Wu --- sound/soc/codecs/mt6359.c | 44 +++++++++++++++++++++++++++++++-------- 1 file changed, 35 insertions(+), 9 deletions(-) diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c index a37ad61a8253..30690479ec17 100644 --- a/sound/soc/codecs/mt6359.c +++ b/sound/soc/codecs/mt6359.c @@ -1159,9 +1159,10 @@ static int mt_lo_event(struct snd_soc_dapm_widget *w, { struct snd_soc_component *cmpnt =3D snd_soc_dapm_to_component(w->dapm); struct mt6359_priv *priv =3D snd_soc_component_get_drvdata(cmpnt); + unsigned int mux =3D dapm_kcontrol_get_value(w->kcontrols[0]); =20 dev_dbg(priv->dev, "%s(), event 0x%x, mux %u\n", - __func__, event, dapm_kcontrol_get_value(w->kcontrols[0])); + __func__, event, mux); =20 switch (event) { case SND_SOC_DAPM_PRE_PMU: @@ -1199,14 +1200,29 @@ static int mt_lo_event(struct snd_soc_dapm_widget *= w, /* Enable AUD_CLK */ mt6359_set_decoder_clk(priv, true); =20 - /* Enable Audio DAC (3rd DAC) */ - regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x3113); - /* Enable low-noise mode of DAC */ - if (priv->dev_counter[DEVICE_HP] =3D=3D 0) - regmap_write(priv->regmap, - MT6359_AUDDEC_ANA_CON9, 0x0001); - /* Switch LOL MUX to audio 3rd DAC */ - regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x311b); + /* Switch LOL MUX to audio DAC */ + if (mux =3D=3D LO_MUX_L_DAC) { + if (priv->dev_counter[DEVICE_HP] > 0) { + dev_info(priv->dev, "%s(), can not enable DAC, hp count %d\n", + __func__, priv->dev_counter[DEVICE_HP]); + break; + } + /* Enable DACL and switch HP MUX to open*/ + regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON0, 0x3009); + /* Disable low-noise mode of DAC */ + regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0xf200); + usleep_range(100, 120); + /* Switch LOL MUX to DACL */ + regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x0117); + } else if (mux =3D=3D LO_MUX_3RD_DAC) { + /* Enable Audio DAC (3rd DAC) */ + regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x3113); + /* Enable low-noise mode of DAC */ + if (priv->dev_counter[DEVICE_HP] =3D=3D 0) + regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0x0001); + /* Switch LOL MUX to audio 3rd DAC */ + regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x311b); + } break; case SND_SOC_DAPM_PRE_PMD: /* Switch LOL MUX to open */ @@ -1218,6 +1234,15 @@ static int mt_lo_event(struct snd_soc_dapm_widget *w, regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0, 0x000f, 0x0000); =20 + if (mux =3D=3D LO_MUX_L_DAC) { + /* Disable HP driver core circuits */ + regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0, + 0x3 << 4, 0x0); + /* Disable HP driver bias circuits */ + regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0, + 0x3 << 6, 0x0); + } + /* Disable AUD_CLK */ mt6359_set_decoder_clk(priv, false); =20 @@ -2590,6 +2615,7 @@ static const struct snd_soc_dapm_route mt6359_dapm_ro= utes[] =3D { =20 /* Lineout Path */ {"LOL Mux", "Playback", "DAC_3RD"}, + {"LOL Mux", "Playback_L_DAC", "DACL"}, {"LINEOUT L", NULL, "LOL Mux"}, =20 /* Headphone Path */ --=20 2.18.0