Use the new snd_soc_tdm_params_to_bclk() helper function to calculate the bclk. This function handles most of the previous manipulation and makes the code tidier.
Signed-off-by: Richard Fitzgerald rf@opensource.cirrus.com --- sound/soc/codecs/cs42l42.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index a84d873e29df..42cdb051e0fb 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -893,22 +893,21 @@ static int cs42l42_pcm_hw_params(struct snd_pcm_substream *substream, struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component); unsigned int channels = params_channels(params); unsigned int width = (params_width(params) / 8) - 1; + unsigned int slot_width = 0; unsigned int val = 0; int ret;
cs42l42->srate = params_rate(params); - cs42l42->bclk = snd_soc_params_to_bclk(params); - - /* I2S frame always has 2 channels even for mono audio */ - if (channels == 1) - cs42l42->bclk *= 2;
/* * Assume 24-bit samples are in 32-bit slots, to prevent SCLK being * more than assumed (which would result in overclocking). */ if (params_width(params) == 24) - cs42l42->bclk = (cs42l42->bclk / 3) * 4; + slot_width = 32; + + /* I2S frame always has multiple of 2 channels */ + cs42l42->bclk = snd_soc_tdm_params_to_bclk(params, slot_width, 0, 2);
switch (substream->stream) { case SNDRV_PCM_STREAM_CAPTURE: