summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--sound/soc/codecs/nau8810.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/codecs/nau8810.c b/sound/soc/codecs/nau8810.c
index 39512a78a556..5d300b790f78 100644
--- a/sound/soc/codecs/nau8810.c
+++ b/sound/soc/codecs/nau8810.c
@@ -667,6 +667,24 @@ static int nau8810_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_component *component = dai->component;
struct nau8810 *nau8810 = snd_soc_component_get_drvdata(component);
int val_len = 0, val_rate = 0, ret = 0;
+ unsigned int ctrl_val, bclk_fs, bclk_div;
+
+ /* Select BCLK configuration if the codec as master. */
+ regmap_read(nau8810->regmap, NAU8810_REG_CLOCK, &ctrl_val);
+ if (ctrl_val & NAU8810_CLKIO_MASTER) {
+ /* get the bclk and fs ratio */
+ bclk_fs = snd_soc_params_to_bclk(params) / params_rate(params);
+ if (bclk_fs <= 32)
+ bclk_div = NAU8810_BCLKDIV_8;
+ else if (bclk_fs <= 64)
+ bclk_div = NAU8810_BCLKDIV_4;
+ else if (bclk_fs <= 128)
+ bclk_div = NAU8810_BCLKDIV_2;
+ else
+ return -EINVAL;
+ regmap_update_bits(nau8810->regmap, NAU8810_REG_CLOCK,
+ NAU8810_BCLKSEL_MASK, bclk_div);
+ }
switch (params_width(params)) {
case 16: