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ASoC: ssm2602: add 16kHz sampling rate support

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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 <apr@cn-eng.de>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Andreas Pretzsch 2014-01-07 22:34:41 +01:00 committed by Mark Brown
parent a010ff628c
commit 7ae2b55b01
1 changed files with 10 additions and 4 deletions
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14
sound/soc/codecs/ssm2602.c
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@ -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)