diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-11-19 11:36:10 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-11-25 19:55:46 +0000 |
| commit | c0fa59df7214e546f8a37bc677867ac7b67b5c93 (patch) | |
| tree | 80d1e2e8861f5b84d61d195bf880933c0ace727d | |
| parent | 2449ae85e3c88ef27853aef0d19772149e269ae7 (diff) | |
ASoC: Add BCLK calculation utility for TDM mode too
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | include/sound/soc.h | 1 | ||||
| -rw-r--r-- | sound/soc/soc-utils.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 13b117aac5d..0d7718f9280 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -230,6 +230,7 @@ int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid); /* Utility functions to get clock rates from various things */ int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); +int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); /* set runtime hw params */ diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c index b16aaaeb0aa..1d07b931f3d 100644 --- a/sound/soc/soc-utils.c +++ b/sound/soc/soc-utils.c @@ -54,6 +54,12 @@ int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params) } EXPORT_SYMBOL_GPL(snd_soc_params_to_frame_size); +int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots) +{ + return fs * snd_soc_calc_frame_size(sample_size, channels, tdm_slots); +} +EXPORT_SYMBOL_GPL(snd_soc_calc_bclk); + int snd_soc_params_to_bclk(struct snd_pcm_hw_params *params) { int ret; |