summaryrefslogtreecommitdiff
path: root/sound/soc/codecs/pcm512x.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/pcm512x.c')
-rw-r--r--sound/soc/codecs/pcm512x.c37
1 files changed, 29 insertions, 8 deletions
diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
index 4cc24a5d5c31..62d05b01711f 100644
--- a/sound/soc/codecs/pcm512x.c
+++ b/sound/soc/codecs/pcm512x.c
@@ -55,6 +55,7 @@ struct pcm512x_priv {
unsigned long overclock_dsp;
int mute;
struct mutex mutex;
+ unsigned int bclk_ratio;
};
/*
@@ -915,16 +916,21 @@ static int pcm512x_set_dividers(struct snd_soc_dai *dai,
int fssp;
int gpio;
- lrclk_div = snd_soc_params_to_frame_size(params);
- if (lrclk_div == 0) {
- dev_err(dev, "No LRCLK?\n");
- return -EINVAL;
+ if (pcm512x->bclk_ratio > 0) {
+ lrclk_div = pcm512x->bclk_ratio;
+ } else {
+ lrclk_div = snd_soc_params_to_frame_size(params);
+
+ if (lrclk_div == 0) {
+ dev_err(dev, "No LRCLK?\n");
+ return -EINVAL;
+ }
}
if (!pcm512x->pll_out) {
sck_rate = clk_get_rate(pcm512x->sclk);
- bclk_div = params->rate_den * 64 / lrclk_div;
- bclk_rate = DIV_ROUND_CLOSEST(sck_rate, bclk_div);
+ bclk_rate = params_rate(params) * lrclk_div;
+ bclk_div = DIV_ROUND_CLOSEST(sck_rate, bclk_rate);
mck_rate = sck_rate;
} else {
@@ -1383,6 +1389,19 @@ static int pcm512x_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
return 0;
}
+static int pcm512x_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+ struct snd_soc_component *component = dai->component;
+ struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component);
+
+ if (ratio > 256)
+ return -EINVAL;
+
+ pcm512x->bclk_ratio = ratio;
+
+ return 0;
+}
+
static int pcm512x_digital_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_component *component = dai->component;
@@ -1435,6 +1454,7 @@ static const struct snd_soc_dai_ops pcm512x_dai_ops = {
.hw_params = pcm512x_hw_params,
.set_fmt = pcm512x_set_fmt,
.digital_mute = pcm512x_digital_mute,
+ .set_bclk_ratio = pcm512x_set_bclk_ratio,
};
static struct snd_soc_dai_driver pcm512x_dai = {
@@ -1520,8 +1540,9 @@ int pcm512x_probe(struct device *dev, struct regmap *regmap)
pcm512x->supply_nb[2].notifier_call = pcm512x_regulator_event_2;
for (i = 0; i < ARRAY_SIZE(pcm512x->supplies); i++) {
- ret = regulator_register_notifier(pcm512x->supplies[i].consumer,
- &pcm512x->supply_nb[i]);
+ ret = devm_regulator_register_notifier(
+ pcm512x->supplies[i].consumer,
+ &pcm512x->supply_nb[i]);
if (ret != 0) {
dev_err(dev,
"Failed to register regulator notifier: %d\n",