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Commit c0fa59df authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Add BCLK calculation utility for TDM mode too 



Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 2449ae85

include/sound/soc.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */

sound/soc/soc-utils.c

+6 −0
Original line number Diff line number Diff line
@@ -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;