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>

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);