linux-kernel - [PATCH 07/13] ASoC: cs35l41: drop SNDRV_PCM_RATE

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Message-Id: <20240905-alsa-12-24-128-v1-7-8371948d3921@baylibre.com>
Date: Thu, 05 Sep 2024 16:12:58 +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 07/13] ASoC: cs35l41: drop SNDRV_PCM_RATE_KNOT

The custom rate constraint list 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/codecs/cs35l41.c | 34 +++++++++++-----------------------
 1 file changed, 11 insertions(+), 23 deletions(-)

diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c
index 1688c2c688f0..07a5cab35fe1 100644
--- a/sound/soc/codecs/cs35l41.c
+++ b/sound/soc/codecs/cs35l41.c
@@ -808,26 +808,6 @@ static int cs35l41_get_clk_config(int freq)
 	return -EINVAL;
 }
 
-static const unsigned int cs35l41_src_rates[] = {
-	8000, 12000, 11025, 16000, 22050, 24000, 32000,
-	44100, 48000, 88200, 96000, 176400, 192000
-};
-
-static const struct snd_pcm_hw_constraint_list cs35l41_constraints = {
-	.count = ARRAY_SIZE(cs35l41_src_rates),
-	.list = cs35l41_src_rates,
-};
-
-static int cs35l41_pcm_startup(struct snd_pcm_substream *substream,
-			       struct snd_soc_dai *dai)
-{
-	if (substream->runtime)
-		return snd_pcm_hw_constraint_list(substream->runtime, 0,
-						  SNDRV_PCM_HW_PARAM_RATE,
-						  &cs35l41_constraints);
-	return 0;
-}
-
 static int cs35l41_component_set_sysclk(struct snd_soc_component *component,
 					int clk_id, int source,
 					unsigned int freq, int dir)
@@ -974,13 +954,21 @@ static void cs35l41_component_remove(struct snd_soc_component *component)
 }
 
 static const struct snd_soc_dai_ops cs35l41_ops = {
-	.startup = cs35l41_pcm_startup,
 	.set_fmt = cs35l41_set_dai_fmt,
 	.hw_params = cs35l41_pcm_hw_params,
 	.set_sysclk = cs35l41_dai_set_sysclk,
 	.set_channel_map = cs35l41_set_channel_map,
 };
 
+#define CS35L41_RATES (		    \
+	SNDRV_PCM_RATE_8000_48000 | \
+	SNDRV_PCM_RATE_12000 |	    \
+	SNDRV_PCM_RATE_24000 |	    \
+	SNDRV_PCM_RATE_88200 |	    \
+	SNDRV_PCM_RATE_96000 |	    \
+	SNDRV_PCM_RATE_176400 |	    \
+	SNDRV_PCM_RATE_192000)
+
 static struct snd_soc_dai_driver cs35l41_dai[] = {
 	{
 		.name = "cs35l41-pcm",
@@ -989,14 +977,14 @@ static struct snd_soc_dai_driver cs35l41_dai[] = {
 			.stream_name = "AMP Playback",
 			.channels_min = 1,
 			.channels_max = 2,
-			.rates = SNDRV_PCM_RATE_KNOT,
+			.rates = CS35L41_RATES,
 			.formats = CS35L41_RX_FORMATS,
 		},
 		.capture = {
 			.stream_name = "AMP Capture",
 			.channels_min = 1,
 			.channels_max = 4,
-			.rates = SNDRV_PCM_RATE_KNOT,
+			.rates = CS35L41_RATES,
 			.formats = CS35L41_TX_FORMATS,
 		},
 		.ops = &cs35l41_ops,

-- 
2.45.2