ASoC: tlv320dac33: Lower the OSC calibration time

To get correct calibration, we can decrease the time
needed for the OSC to calibrate itself.
With this change we can save ~15ms in the OSC
calibration phase.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 4857f2a..869c1a9 100644 (file)
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -939,8 +939,8 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
        /* Write registers 0x08 and 0x09 (MSB, LSB) */
        dac33_write16(codec, DAC33_INT_OSC_FREQ_RAT_A, oscset);
 
-       /* calib time: 128 is a nice number ;) */
-       dac33_write(codec, DAC33_CALIB_TIME, 128);
+       /* OSC calibration time */
+       dac33_write(codec, DAC33_CALIB_TIME, 96);
 
        /* adjustment treshold & step */
        dac33_write(codec, DAC33_INT_OSC_CTRL_B, DAC33_ADJTHRSHLD(2) |