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authorAlexander Stein <alexander.stein@systec-electronic.com>2015-04-16 14:51:56 +0200
committerMark Brown <broonie@kernel.org>2015-04-27 15:42:20 +0100
commitd2b7c2aaf7b565532c7d9937519b199fbca4a779 (patch)
treebf68f8043e71116058fdff0519380ab9865af08a /sound/soc/codecs/sgtl5000.c
parentb787f68c36d49bb1d9236f403813641efa74a031 (diff)
ASoC: sgtl5000: Use specific variable for lo_vag
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>
Diffstat (limited to 'sound/soc/codecs/sgtl5000.c')
-rw-r--r--sound/soc/codecs/sgtl5000.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index 3593a1496056..bab2b5e5b312 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -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);