ASoC: tlv320dac33: Clearing FIFOFLUSH flag before playback
Peter Ujfalusi [Tue, 16 Feb 2010 11:23:15 +0000 (13:23 +0200)]
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>

sound/soc/codecs/tlv320dac33.c

index 1b35d0c..dab7fd5 100644 (file)
@@ -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: