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authorPeter Ujfalusi <peter.ujfalusi@nokia.com>2010-01-20 09:39:35 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-01-20 11:47:49 +0000
commit6cd6cede8c33364d8e1abb5ea35adf627e3781b0 (patch)
tree17e588f659be6801ef0299a1b7f18019bd6b956e /sound/soc
parent84740ac19a0aeb87d1dc21e9d7d517f11bd49748 (diff)
downloadop-kernel-dev-6cd6cede8c33364d8e1abb5ea35adf627e3781b0.zip
op-kernel-dev-6cd6cede8c33364d8e1abb5ea35adf627e3781b0.tar.gz
ASoC: tlv320dac33: BCLK divider fix
The BCLK divider was not configured in case of mode7. This leads to unpredictable behavior when switching between FIFO modes. Configure the BCLK divider depending on the fifo_mode (FIFO is in use, or FIFO bypass). Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/tlv320dac33.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 65683aa..e1aa66f 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -845,11 +845,14 @@ 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);
- switch (dac33->fifo_mode) {
- case DAC33_FIFO_MODE1:
- /* 20: BCLK divide ratio */
+ /* BCLK divide ratio */
+ if (dac33->fifo_mode)
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 3);
+ else
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
+ switch (dac33->fifo_mode) {
+ case DAC33_FIFO_MODE1:
dac33_write16(codec, DAC33_ATHR_MSB,
DAC33_THRREG(dac33->alarm_threshold));
break;
@@ -864,8 +867,6 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
DAC33_THRREG(10));
break;
default:
- /* BYPASS mode */
- dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
break;
}
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