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ASoC: sgtl5000: Use specific variable for lo_vag

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This is a preparation for calculating lo_vol which needs both vag
and lo_vag.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alexander Stein 2015-04-16 14:51:56 +02:00 committed by Mark Brown
parent b787f68c36
commit d2b7c2aaf7
1 changed files with 8 additions and 7 deletions
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15
sound/soc/codecs/sgtl5000.c
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@ -1111,6 +1111,7 @@ static int sgtl5000_set_power_regs(struct snd_soc_codec *codec)
u16 ana_pwr;
u16 lreg_ctrl;
int vag;
int lo_vag;
struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec);
vdda = regulator_get_voltage(sgtl5000->supplies[VDDA].consumer);
@ -1198,20 +1199,20 @@ static int sgtl5000_set_power_regs(struct snd_soc_codec *codec)
SGTL5000_ANA_GND_MASK, vag << SGTL5000_ANA_GND_SHIFT);
/* set line out VAG to vddio / 2, in range (0.8v, 1.675v) */
vag = vddio / 2;
if (vag <= SGTL5000_LINE_OUT_GND_BASE)
vag = 0;
else if (vag >= SGTL5000_LINE_OUT_GND_BASE +
lo_vag = vddio / 2;
if (lo_vag <= SGTL5000_LINE_OUT_GND_BASE)
lo_vag = 0;
else if (lo_vag >= SGTL5000_LINE_OUT_GND_BASE +
SGTL5000_LINE_OUT_GND_STP * SGTL5000_LINE_OUT_GND_MAX)
vag = SGTL5000_LINE_OUT_GND_MAX;
lo_vag = SGTL5000_LINE_OUT_GND_MAX;
else
vag = (vag - SGTL5000_LINE_OUT_GND_BASE) /
lo_vag = (lo_vag - SGTL5000_LINE_OUT_GND_BASE) /
SGTL5000_LINE_OUT_GND_STP;
snd_soc_update_bits(codec, SGTL5000_CHIP_LINE_OUT_CTRL,
SGTL5000_LINE_OUT_CURRENT_MASK |
SGTL5000_LINE_OUT_GND_MASK,
vag << SGTL5000_LINE_OUT_GND_SHIFT |
lo_vag << SGTL5000_LINE_OUT_GND_SHIFT |
SGTL5000_LINE_OUT_CURRENT_360u <<
SGTL5000_LINE_OUT_CURRENT_SHIFT);