[alsa-devel] [PATCH V5 3/3] ASoC: fsl_asrc: Unify the supported input and output rate

[S.j. Wang]

Unify the supported input and output rate, add the
12kHz/24kHz/128kHz to the support list

Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>
---
 sound/soc/fsl/fsl_asrc.c | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 4675ea4e8204..85c278effda1 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -27,13 +27,14 @@
 	dev_dbg(&asrc_priv->pdev->dev, "Pair %c: " fmt, 'A' + index, ##__VA_ARGS__)
 
 /* Corresponding to process_option */
-static int supported_input_rate[] = {
-	5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, 64000, 88200,
-	96000, 176400, 192000,
+static unsigned int supported_asrc_rate[] = {
+	5512, 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000,
+	64000, 88200, 96000, 128000, 176400, 192000,
 };
 
-static int supported_asrc_rate[] = {
-	8000, 11025, 16000, 22050, 32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000,
+static struct snd_pcm_hw_constraint_list fsl_asrc_rate_constraints = {
+	.count = ARRAY_SIZE(supported_asrc_rate),
+	.list = supported_asrc_rate,
 };
 
 /**
@@ -292,11 +293,11 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair)
 	ideal = config->inclk == INCLK_NONE;
 
 	/* Validate input and output sample rates */
-	for (in = 0; in < ARRAY_SIZE(supported_input_rate); in++)
-		if (inrate == supported_input_rate[in])
+	for (in = 0; in < ARRAY_SIZE(supported_asrc_rate); in++)
+		if (inrate == supported_asrc_rate[in])
 			break;
 
-	if (in == ARRAY_SIZE(supported_input_rate)) {
+	if (in == ARRAY_SIZE(supported_asrc_rate)) {
 		pair_err("unsupported input sample rate: %dHz\n", inrate);
 		return -EINVAL;
 	}
@@ -310,7 +311,7 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair)
 		return -EINVAL;
 	}
 
-	if ((outrate >= 8000 && outrate <= 30000) &&
+	if ((outrate >= 5512 && outrate <= 30000) &&
 	    (outrate > 24 * inrate || inrate > 8 * outrate)) {
 		pair_err("exceed supported ratio range [1/24, 8] for \
 				inrate/outrate: %d/%d\n", inrate, outrate);
@@ -485,7 +486,9 @@ static int fsl_asrc_dai_startup(struct snd_pcm_substream *substream,
 		snd_pcm_hw_constraint_step(substream->runtime, 0,
 					   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 
-	return 0;
+
+	return snd_pcm_hw_constraint_list(substream->runtime, 0,
+			SNDRV_PCM_HW_PARAM_RATE, &fsl_asrc_rate_constraints);
 }
 
 static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream,
@@ -598,7 +601,6 @@ static int fsl_asrc_dai_probe(struct snd_soc_dai *dai)
 	return 0;
 }
 
-#define FSL_ASRC_RATES		 SNDRV_PCM_RATE_8000_192000
 #define FSL_ASRC_FORMATS	(SNDRV_PCM_FMTBIT_S24_LE | \
 				 SNDRV_PCM_FMTBIT_S16_LE | \
 				 SNDRV_PCM_FMTBIT_S20_3LE)
@@ -609,14 +611,18 @@ static int fsl_asrc_dai_probe(struct snd_soc_dai *dai)
 		.stream_name = "ASRC-Playback",
 		.channels_min = 1,
 		.channels_max = 10,
-		.rates = FSL_ASRC_RATES,
+		.rate_min = 5512,
+		.rate_max = 192000,
+		.rates = SNDRV_PCM_RATE_KNOT,
 		.formats = FSL_ASRC_FORMATS,
 	},
 	.capture = {
 		.stream_name = "ASRC-Capture",
 		.channels_min = 1,
 		.channels_max = 10,
-		.rates = FSL_ASRC_RATES,
+		.rate_min = 5512,
+		.rate_max = 192000,
+		.rates = SNDRV_PCM_RATE_KNOT,
 		.formats = FSL_ASRC_FORMATS,
 	},
 	.ops = &fsl_asrc_dai_ops,
-- 
1.9.1