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authorPeter Ujfalusi <peter.ujfalusi@nokia.com>2010-02-16 13:23:15 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-02-16 19:14:52 +0000
commite5e878c1c393de917391477bc7627d729f7568fb (patch)
tree7648f257e65acd0a3f3038f82752b2605da29d81
parentdbe21408b15f04da4f80fb89a27b7cb067d6103e (diff)
downloadop-kernel-dev-e5e878c1c393de917391477bc7627d729f7568fb.zip
op-kernel-dev-e5e878c1c393de917391477bc7627d729f7568fb.tar.gz
ASoC: tlv320dac33: Clearing FIFOFLUSH flag before playback
In repeated playback the FIFOFLUSH bit remained set, and never has been cleared. Clear it during the setup phase. 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>
-rw-r--r--sound/soc/codecs/tlv320dac33.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 1b35d0c..dab7fd5 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -734,7 +734,10 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
aictrl_a = dac33_read_reg_cache(codec, DAC33_SER_AUDIOIF_CTRL_A);
aictrl_a &= ~(DAC33_NCYCL_MASK | DAC33_WLEN_MASK);
+ /* Read FIFO control A, and clear FIFO flush bit */
fifoctrl_a = dac33_read_reg_cache(codec, DAC33_FIFO_CTRL_A);
+ fifoctrl_a &= ~DAC33_FIFOFLUSH;
+
fifoctrl_a &= ~DAC33_WIDTH;
switch (substream->runtime->format) {
case SNDRV_PCM_FORMAT_S16_LE:
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