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ASoC: tlv320dac33: BCLK divider fix

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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>
This commit is contained in:
Peter Ujfalusi 2010-01-20 09:39:35 +02:00 committed by Mark Brown
parent 84740ac19a
commit 6cd6cede8c
1 changed files with 6 additions and 5 deletions
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11
sound/soc/codecs/tlv320dac33.c
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@ -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);
/* 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:
/* 20: BCLK divide ratio */
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 3);
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;
}