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From: David Heidelberg via B4 Relay <devnull+david.ixit.cz@kernel.org>
To: Srinivas Kandagatla <srini@kernel.org>,
	 Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	 Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	 David Rhodes <david.rhodes@cirrus.com>,
	 Richard Fitzgerald <rf@opensource.cirrus.com>,
	 Bjorn Andersson <andersson@kernel.org>,
	 Konrad Dybcio <konradybcio@kernel.org>,
	Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 David Rhodes <drhodes@opensource.cirrus.com>,
	 Conor Dooley <conor+dt@kernel.org>
Cc: linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	 linux-kernel@vger.kernel.org, patches@opensource.cirrus.com,
	 devicetree@vger.kernel.org, phone-devel@vger.kernel.org,
	 David Heidelberg <david@ixit.cz>
Subject: [PATCH RFC 2/6] ASoC: qcom: sdm845: use DSP_A format for TDM codec DAIs
Date: Sun, 05 Jul 2026 22:06:52 +0200	[thread overview]
Message-ID: <20260705-pixel3-audio-v1-2-3b66f33859f1@ixit.cz> (raw)
In-Reply-To: <20260705-pixel3-audio-v1-0-3b66f33859f1@ixit.cz>

From: David Heidelberg <david@ixit.cz>

Before the DSP_B only worked because the only close-to-mainline consumer
cs35l36 codec was patched to map both DSP_A and DSP_B to the same
hardware register value (asp_fmt = 0), which is inherently DSP_A timing.
Use the right codec (DSP_A) which works as expected.

Signed-off-by: David Heidelberg <david@ixit.cz>
---
 sound/soc/qcom/sdm845.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
index edd2cc7a1c74f..9de3282bda4be 100644
--- a/sound/soc/qcom/sdm845.c
+++ b/sound/soc/qcom/sdm845.c
@@ -380,17 +380,17 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
 	case QUATERNARY_TDM_RX_0:
 	case QUATERNARY_TDM_TX_0:
 		if (++(data->quat_tdm_clk_count) == 1) {
 			snd_soc_dai_set_sysclk(cpu_dai,
 				Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
 				TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
 		}
 
-		codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
+		codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_A;
 
 		for_each_rtd_codec_dais(rtd, j, codec_dai) {
 
 			if (!strcmp(codec_dai->component->name_prefix,
 				    "Left")) {
 				ret = snd_soc_dai_set_fmt(
 						codec_dai, codec_dai_fmt);
 				if (ret < 0) {

-- 
2.53.0



  parent reply	other threads:[~2026-07-05 20:07 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-05 20:06 [PATCH RFC 0/6] Speakers for Pixel 3 / 3 XL David Heidelberg via B4 Relay
2026-07-05 20:06 ` [PATCH RFC 1/6] ASoC: qcom: sdm845: Demystify TDM masks a bit David Heidelberg via B4 Relay
2026-07-05 20:19   ` sashiko-bot
2026-07-05 20:06 ` David Heidelberg via B4 Relay [this message]
2026-07-05 20:18   ` [PATCH RFC 2/6] ASoC: qcom: sdm845: use DSP_A format for TDM codec DAIs sashiko-bot
2026-07-06  8:33   ` Konrad Dybcio
2026-07-06  9:15     ` David Heidelberg
2026-07-06  9:40       ` Konrad Dybcio
2026-07-05 20:06 ` [PATCH RFC 3/6] ASoC: qcom: sdm845: Use per-speaker RX masks for TDM slot assignment David Heidelberg via B4 Relay
2026-07-05 20:25   ` sashiko-bot
2026-07-05 20:06 ` [PATCH RFC 4/6] ASoC: qcom: sdm845: Set codec dai and component sysclk during startup David Heidelberg via B4 Relay
2026-07-05 20:19   ` sashiko-bot
2026-07-05 20:06 ` [PATCH RFC 5/6] ASoC: cs35l36: Implement set_tdm_slot to program RX slot register David Heidelberg via B4 Relay
2026-07-05 20:20   ` sashiko-bot
2026-07-06  8:52   ` Charles Keepax
2026-07-06  9:11   ` Konrad Dybcio
2026-07-05 20:06 ` [PATCH RFC 6/6] arm64: dts: qcom: sdm845-google: Add basic audio support David Heidelberg via B4 Relay
2026-07-05 20:18   ` sashiko-bot
2026-07-06  9:14   ` Konrad Dybcio
2026-07-06  9:17     ` David Heidelberg
2026-07-06 11:59       ` Konrad Dybcio
2026-07-06 12:00   ` Konrad Dybcio

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