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Subject[PATCH 5/5] ASoC: cs42l42: Use snd_soc_tdm_params_to_bclk()
Date
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:
--
2.30.2
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