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Message-Id: <20251118100203.2751955-3-ravi.hothi@oss.qualcomm.com>
Date: Tue, 18 Nov 2025 15:32:03 +0530
From: Ravi.Hothi.ravi.hothi@....qualcomm.com
To: Srinivas Kandagatla <srini@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: linux-sound@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org, kernel@....qualcomm.com,
mohammad.rafi.shaik@....qualcomm.com, ajay.nandam@....qualcomm.com
Subject: [PATCH v1 2/2] ASoC: qcom: q6dsp-lpass-ports: Add support for 32-bit PCM format
From: Ravi Hothi <ravi.hothi@....qualcomm.com>
Introduce support for 32-bit PCM format (SNDRV_PCM_FMTBIT_S32_LE) in
addition to existing 16-bit and 24-bit formats. This allows handling
high-resolution audio streams and improves audio quality for supported
hardware.
Signed-off-by: Ravi Hothi <ravi.hothi@....qualcomm.com>
---
sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c | 35 +++++++++++++++++-------
1 file changed, 25 insertions(+), 10 deletions(-)
diff --git a/sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c b/sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c
index 76421adb5afa..8542e620ee02 100644
--- a/sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c
+++ b/sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c
@@ -344,7 +344,8 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.stream_name = "Primary MI2S Playback",
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S24_LE,
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -357,7 +358,8 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.stream_name = "Primary MI2S Capture",
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S24_LE,
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -369,7 +371,9 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.playback = {
.stream_name = "Secondary MI2S Playback",
.rates = SNDRV_PCM_RATE_8000_192000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -382,7 +386,8 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.stream_name = "Secondary MI2S Capture",
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S24_LE,
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -394,7 +399,9 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.playback = {
.stream_name = "Tertiary MI2S Playback",
.rates = SNDRV_PCM_RATE_8000_192000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -407,7 +414,8 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.stream_name = "Tertiary MI2S Capture",
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S24_LE,
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -419,7 +427,9 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.playback = {
.stream_name = "Quaternary MI2S Playback",
.rates = SNDRV_PCM_RATE_8000_192000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -432,7 +442,8 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.stream_name = "Quaternary MI2S Capture",
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S24_LE,
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -444,7 +455,9 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.playback = {
.stream_name = "Quinary MI2S Playback",
.rates = SNDRV_PCM_RATE_8000_192000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
@@ -456,7 +469,9 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
.capture = {
.stream_name = "Quinary MI2S Capture",
.rates = SNDRV_PCM_RATE_8000_192000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rate_min = 8000,
--
2.34.1
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