diff options
| author | Peter Ujfalusi <peter.ujfalusi@nokia.com> | 2011-04-12 09:09:17 +0300 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2011-04-13 09:32:37 +0100 |
| commit | 82a58a8b7f293e5bab3dd41ee160867bcad41f37 (patch) | |
| tree | 7bd6ff397880f5de0b4299d909dad0e03b7bbb70 /sound/soc/codecs/tlv320dac33.c | |
| parent | 4b8ffdb959c35f5e271fb7e08635dbdb2593018f (diff) | |
| download | op-kernel-dev-82a58a8b7f293e5bab3dd41ee160867bcad41f37.zip op-kernel-dev-82a58a8b7f293e5bab3dd41ee160867bcad41f37.tar.gz | |
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>
Diffstat (limited to 'sound/soc/codecs/tlv320dac33.c')
| -rw-r--r-- | sound/soc/codecs/tlv320dac33.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index 4857f2a..869c1a9 100644 --- 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) | |
