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-rw-r--r--include/sound/tlv320dac33-plat.h1
-rw-r--r--sound/soc/codecs/tlv320dac33.c15
2 files changed, 14 insertions, 2 deletions
diff --git a/include/sound/tlv320dac33-plat.h b/include/sound/tlv320dac33-plat.h
index 5858d06a7ff..ac0665264bd 100644
--- a/include/sound/tlv320dac33-plat.h
+++ b/include/sound/tlv320dac33-plat.h
@@ -15,6 +15,7 @@
struct tlv320dac33_platform_data {
int power_gpio;
+ u8 burst_bclkdiv;
};
#endif /* __TLV320DAC33_PLAT_H */
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index e1aa66ff7f1..1b35d0cf336 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -91,6 +91,7 @@ struct tlv320dac33_priv {
* this */
enum dac33_fifo_modes fifo_mode;/* FIFO mode selection */
unsigned int nsample; /* burst read amount from host */
+ u8 burst_bclkdiv; /* BCLK divider value in burst mode */
enum dac33_state state;
};
@@ -845,9 +846,18 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_A, aictrl_a);
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_B, aictrl_b);
- /* BCLK divide ratio */
+ /*
+ * BCLK divide ratio
+ * 0: 1.5
+ * 1: 1
+ * 2: 2
+ * ...
+ * 254: 254
+ * 255: 255
+ */
if (dac33->fifo_mode)
- dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 3);
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C,
+ dac33->burst_bclkdiv);
else
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
@@ -1239,6 +1249,7 @@ static int __devinit dac33_i2c_probe(struct i2c_client *client,
i2c_set_clientdata(client, dac33);
dac33->power_gpio = pdata->power_gpio;
+ dac33->burst_bclkdiv = pdata->burst_bclkdiv;
dac33->irq = client->irq;
dac33->nsample = NSAMPLE_MAX;
/* Disable FIFO use by default */