提交 82a58a8b 编写于 作者: P Peter Ujfalusi 提交者: Liam Girdwood

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: NPeter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NLiam Girdwood <lrg@slimlogic.co.uk>
上级 4b8ffdb9
......@@ -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) |
......
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