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@baylibre.com>
Reviewed-by: David Rhodes <drhodes@opensource.cirrus.com>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240905-alsa-12-24-128-v1-11-8371948d3921@baylibre.com

Author: jbrun3t

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)