ASoC: qcom: q6asm-dai: 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@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-v1-10-8371948d3921@baylibre.com

sound/soc/qcom/qdsp6/q6asm-dai.c

@@ -128,8 +128,13 @@ static const struct snd_pcm_hardware q6asm_dai_hardware_playback = {
 #define Q6ASM_FEDAI_DRIVER(num) { \
 		.playback = {						\
 			.stream_name = "MultiMedia"#num" Playback",	\
-			.rates = (SNDRV_PCM_RATE_8000_192000|		\
-					SNDRV_PCM_RATE_KNOT),		\
+			.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),		\
 			.formats = (SNDRV_PCM_FMTBIT_S16_LE |		\
 					SNDRV_PCM_FMTBIT_S24_LE),	\
 			.channels_min = 1,				\
@@ -139,8 +144,9 @@ static const struct snd_pcm_hardware q6asm_dai_hardware_playback = {
 		},							\
 		.capture = {						\
 			.stream_name = "MultiMedia"#num" Capture",	\
-			.rates = (SNDRV_PCM_RATE_8000_48000|		\
-					SNDRV_PCM_RATE_KNOT),		\
+			.rates = (SNDRV_PCM_RATE_8000_48000 |		\
+				  SNDRV_PCM_RATE_12000 |		\
+				  SNDRV_PCM_RATE_24000),		\
 			.formats = (SNDRV_PCM_FMTBIT_S16_LE |		\
 				    SNDRV_PCM_FMTBIT_S24_LE),		\
 			.channels_min = 1,				\
@@ -152,18 +158,6 @@ static const struct snd_pcm_hardware q6asm_dai_hardware_playback = {
 		.id = MSM_FRONTEND_DAI_MULTIMEDIA##num,			\
 	}
 
-/* Conventional and unconventional sample rate supported */
-static unsigned int supported_sample_rates[] = {
-	8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000,
-	88200, 96000, 176400, 192000
-};
-
-static struct snd_pcm_hw_constraint_list constraints_sample_rates = {
-	.count = ARRAY_SIZE(supported_sample_rates),
-	.list = supported_sample_rates,
-	.mask = 0,
-};
-
 static const struct snd_compr_codec_caps q6asm_compr_caps = {
 	.num_descriptors = 1,
 	.descriptor[0].max_ch = 2,
@@ -390,11 +384,6 @@ static int q6asm_dai_open(struct snd_soc_component *component,
 	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
 		runtime->hw = q6asm_dai_hardware_capture;
 
-	ret = snd_pcm_hw_constraint_list(runtime, 0,
-				SNDRV_PCM_HW_PARAM_RATE,
-				&constraints_sample_rates);
-	if (ret < 0)
-		dev_info(dev, "snd_pcm_hw_constraint_list failed\n");
 	/* Ensure that buffer size is a multiple of period size */
 	ret = snd_pcm_hw_constraint_integer(runtime,
 					    SNDRV_PCM_HW_PARAM_PERIODS);