From: Peter Ujfalusi Date: Tue, 12 Apr 2011 06:09:17 +0000 (+0300) Subject: ASoC: tlv320dac33: Lower the OSC calibration time X-Git-Tag: v3.0-rc1~347^2~1^2~28^2 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=82a58a8b7f293e5bab3dd41ee160867bcad41f37 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 Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index 4857f2ae0666..869c1a9766b5 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) |