[alsa-devel] [PATCH 2/2] ASoC: ssm2602: add support for 11.025kHz and 22.5kHz sample rates

[Stefan Kristiansson]

This adds the necessary values to the constraint list and
register values to the coefficient table in order to
configure the device for 11.025kHz and 22.5kHz sample rates.

Signed-off-by: Stefan Kristiansson <stefan.kristiansson at saunalahti.fi>
---
 sound/soc/codecs/ssm2602.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c
index 484b3bb..da95976 100644
--- a/sound/soc/codecs/ssm2602.c
+++ b/sound/soc/codecs/ssm2602.c
@@ -192,7 +192,7 @@ static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = {
 };
 
 static const unsigned int ssm2602_rates_11289600[] = {
-	8000, 44100, 88200,
+	8000, 11025, 22050, 44100, 88200,
 };
 
 static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = {
@@ -237,6 +237,16 @@ static const struct ssm2602_coeff ssm2602_coeff_table[] = {
 	{18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)},
 	{12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)},
 
+	/* 11.025k */
+	{11289600, 11025, SSM2602_COEFF_SRATE(0xc, 0x0, 0x0)},
+	{16934400, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x0)},
+	{12000000, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x1)},
+
+	/* 22.05k */
+	{11289600, 22050, SSM2602_COEFF_SRATE(0xd, 0x0, 0x0)},
+	{16934400, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x0)},
+	{12000000, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x1)},
+
 	/* 44.1k */
 	{11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)},
 	{16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)},
@@ -467,7 +477,8 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
 	return 0;
 }
 
-#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+		SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_16000 |\
 		SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
 		SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
 		SNDRV_PCM_RATE_96000)
-- 
1.9.1