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>
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1 changed files with 2 additions and 2 deletions
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@ -939,8 +939,8 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
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/* Write registers 0x08 and 0x09 (MSB, LSB) */
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/* Write registers 0x08 and 0x09 (MSB, LSB) */
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dac33_write16(codec, DAC33_INT_OSC_FREQ_RAT_A, oscset);
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dac33_write16(codec, DAC33_INT_OSC_FREQ_RAT_A, oscset);
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/* calib time: 128 is a nice number ;) */
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/* OSC calibration time */
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dac33_write(codec, DAC33_CALIB_TIME, 128);
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dac33_write(codec, DAC33_CALIB_TIME, 96);
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/* adjustment treshold & step */
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/* adjustment treshold & step */
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dac33_write(codec, DAC33_INT_OSC_CTRL_B, DAC33_ADJTHRSHLD(2) |
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dac33_write(codec, DAC33_INT_OSC_CTRL_B, DAC33_ADJTHRSHLD(2) |
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