summaryrefslogtreecommitdiff
path: root/sound/soc/fsl/fsl_sai.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/fsl/fsl_sai.c')
-rw-r--r--sound/soc/fsl/fsl_sai.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 10dda41249d2..3f7852d2a93a 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -234,6 +234,14 @@ static int fsl_sai_set_dai_sysclk_tr(struct snd_soc_dai *cpu_dai,
return 0;
}
+static int fsl_sai_set_dai_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+ struct fsl_sai *sai = snd_soc_dai_get_drvdata(dai);
+
+ sai->bitclk_ratio = ratio;
+ return 0;
+}
+
static int fsl_sai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
int clk_id, unsigned int freq, int dir)
{
@@ -243,11 +251,6 @@ static int fsl_sai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
if (dir == SND_SOC_CLOCK_IN)
return 0;
- if (clk_id == FSL_SAI_CLK_BIT) {
- sai->bitclk_freq = freq;
- return 0;
- }
-
if (freq > 0) {
if (clk_id < 0 || clk_id >= FSL_SAI_MCLK_MAX) {
dev_err(cpu_dai->dev, "Unknown clock id: %d\n", clk_id);
@@ -571,6 +574,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
unsigned int channels = params_channels(params);
u32 word_width = params_width(params);
+ u32 rate = params_rate(params);
u32 val_cr4 = 0, val_cr5 = 0;
u32 slots = (channels == 1) ? 2 : channels;
u32 slot_width = word_width;
@@ -605,12 +609,12 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
slot_width = sai->slot_width;
if (!sai->slave_mode[tx]) {
- if (sai->bitclk_freq)
+ if (sai->bitclk_ratio)
ret = fsl_sai_set_bclk(cpu_dai, tx,
- sai->bitclk_freq);
+ rate * sai->bitclk_ratio);
else
ret = fsl_sai_set_bclk(cpu_dai, tx,
- slots * slot_width * params_rate(params));
+ rate * slots * slot_width);
if (ret)
return ret;
@@ -935,6 +939,7 @@ static void fsl_sai_shutdown(struct snd_pcm_substream *substream,
}
static const struct snd_soc_dai_ops fsl_sai_pcm_dai_ops = {
+ .set_bclk_ratio = fsl_sai_set_dai_bclk_ratio,
.set_sysclk = fsl_sai_set_dai_sysclk,
.set_fmt = fsl_sai_set_dai_fmt,
.set_tdm_slot = fsl_sai_set_dai_tdm_slot,