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Commit 82a58a8b authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Liam Girdwood
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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: default avatarPeter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 4b8ffdb9

sound/soc/codecs/tlv320dac33.c

+2 −2
Original line number Diff line number Diff line
@@ -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) |