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ASoC: sgtl5000: remove useless register write clearing CHRGPUMP_POWERUP

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The SGTL5000_CHIP_ANA_POWER register is cached. Update the cached
value instead of writing it directly.

Patch inspired by Russell King's more colorful remarks in this
patch:
	dd4bf6a

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Eric Nelson 2015-02-27 08:06:45 -07:00 • committed by Mark Brown
commit c7d910b87d
1 changed files with 1 additions and 7 deletions
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8
sound/soc/codecs/sgtl5000.c
View file

@ -1151,13 +1151,7 @@ static int sgtl5000_set_power_regs(struct snd_soc_codec *codec)
/* Enable VDDC charge pump */
ana_pwr |= SGTL5000_VDDC_CHRGPMP_POWERUP;
} else if (vddio >= 3100 && vdda >= 3100) {
/*
* if vddio and vddd > 3.1v,
* charge pump should be clean before set ana_pwr
*/
snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER,
SGTL5000_VDDC_CHRGPMP_POWERUP, 0);
ana_pwr &= ~SGTL5000_VDDC_CHRGPMP_POWERUP;
/* VDDC use VDDIO rail */
lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD;
lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO <<