From 7ae2b55b0129ecb63d73129ddcba6dcda0d37332 Mon Sep 17 00:00:00 2001 From: Andreas Pretzsch Date: Tue, 7 Jan 2014 22:34:41 +0100 Subject: [PATCH] ASoC: ssm2602: add 16kHz sampling rate support SSM260x also supports 16kHz with external master clocks of 12.000MHz, 12.288MHz and 18.432MHz. Add matching coefficients, update constraints and announced rates. Signed-off-by: Andreas Pretzsch Acked-by: Lars-Peter Clausen Signed-off-by: Mark Brown --- sound/soc/codecs/ssm2602.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c index c6dd48561884..af76bbd1b24f 100644 --- a/sound/soc/codecs/ssm2602.c +++ b/sound/soc/codecs/ssm2602.c @@ -194,7 +194,7 @@ static const struct snd_soc_dapm_route ssm2604_routes[] = { }; static const unsigned int ssm2602_rates_12288000[] = { - 8000, 32000, 48000, 96000, + 8000, 16000, 32000, 48000, 96000, }; static struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { @@ -231,6 +231,11 @@ static const struct ssm2602_coeff ssm2602_coeff_table[] = { {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, + /* 16k */ + {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)}, + {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)}, + {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)}, + /* 8k */ {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, @@ -473,9 +478,10 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec, return 0; } -#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_32000 |\ - SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ - SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) +#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ + SNDRV_PCM_RATE_96000) #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)