linux-kernel - [PATCH 11/13] ASoC: sunxi: sun4i-codec: drop SNDRV_PCM_RATE

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Message-Id: <20240905-alsa-12-24-128-v1-11-8371948d3921@baylibre.com>
Date: Thu, 05 Sep 2024 16:13:02 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
 David Rhodes <david.rhodes@...rus.com>, 
 Richard Fitzgerald <rf@...nsource.cirrus.com>, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Cezary Rojewski <cezary.rojewski@...el.com>, 
 Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>, 
 Liam Girdwood <liam.r.girdwood@...ux.intel.com>, 
 Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>, 
 Bard Liao <yung-chuan.liao@...ux.intel.com>, 
 Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>, 
 Kai Vehmanen <kai.vehmanen@...ux.intel.com>, 
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, 
 Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>
Cc: linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org, 
 patches@...nsource.cirrus.com, alsa-devel@...a-project.org, 
 linux-arm-msm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-sunxi@...ts.linux.dev, Jerome Brunet <jbrunet@...libre.com>
Subject: [PATCH 11/13] ASoC: sunxi: sun4i-codec: drop SNDRV_PCM_RATE_KNOT

The custom rate constraint lists was necessary to support 12kHz and 24kHz.
These rates are now available through SNDRV_PCM_RATE_12000 and
SNDRV_PCM_RATE_24000.

Use them and drop the custom rate constraint rule.

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 sound/soc/sunxi/sun4i-codec.c | 28 +++++++++-------------------
 1 file changed, 9 insertions(+), 19 deletions(-)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index a2618ed650b0..25af47b63bdd 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -577,28 +577,12 @@ static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
 					     hwrate);
 }
 
-
-static unsigned int sun4i_codec_src_rates[] = {
-	8000, 11025, 12000, 16000, 22050, 24000, 32000,
-	44100, 48000, 96000, 192000
-};
-
-
-static struct snd_pcm_hw_constraint_list sun4i_codec_constraints = {
-	.count  = ARRAY_SIZE(sun4i_codec_src_rates),
-	.list   = sun4i_codec_src_rates,
-};
-
-
 static int sun4i_codec_startup(struct snd_pcm_substream *substream,
 			       struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 
-	snd_pcm_hw_constraint_list(substream->runtime, 0,
-				SNDRV_PCM_HW_PARAM_RATE, &sun4i_codec_constraints);
-
 	/*
 	 * Stop issuing DRQ when we have room for less than 16 samples
 	 * in our TX FIFO
@@ -626,6 +610,13 @@ static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
 	.prepare	= sun4i_codec_prepare,
 };
 
+#define SUN4I_CODEC_RATES (			\
+		SNDRV_PCM_RATE_8000_48000 |	\
+		SNDRV_PCM_RATE_12000 |		\
+		SNDRV_PCM_RATE_24000 |		\
+		SNDRV_PCM_RATE_96000 |		\
+		SNDRV_PCM_RATE_192000)
+
 static struct snd_soc_dai_driver sun4i_codec_dai = {
 	.name	= "Codec",
 	.ops	= &sun4i_codec_dai_ops,
@@ -635,7 +626,7 @@ static struct snd_soc_dai_driver sun4i_codec_dai = {
 		.channels_max	= 2,
 		.rate_min	= 8000,
 		.rate_max	= 192000,
-		.rates		= SNDRV_PCM_RATE_CONTINUOUS,
+		.rates		= SUN4I_CODEC_RATES,
 		.formats	= SNDRV_PCM_FMTBIT_S16_LE |
 				  SNDRV_PCM_FMTBIT_S32_LE,
 		.sig_bits	= 24,
@@ -646,7 +637,7 @@ static struct snd_soc_dai_driver sun4i_codec_dai = {
 		.channels_max	= 2,
 		.rate_min	= 8000,
 		.rate_max	= 48000,
-		.rates		= SNDRV_PCM_RATE_CONTINUOUS,
+		.rates		= SUN4I_CODEC_RATES,
 		.formats	= SNDRV_PCM_FMTBIT_S16_LE |
 				  SNDRV_PCM_FMTBIT_S32_LE,
 		.sig_bits	= 24,
@@ -1233,7 +1224,6 @@ static const struct snd_soc_component_driver sun4i_codec_component = {
 #endif
 };
 
-#define SUN4I_CODEC_RATES	SNDRV_PCM_RATE_CONTINUOUS
 #define SUN4I_CODEC_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \
 				 SNDRV_PCM_FMTBIT_S32_LE)
 

-- 
2.45.2