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authorChris Rattray <crattray@opensource.wolfsonmicro.com>2013-02-05 18:40:44 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-05 19:53:07 +0400
commit1a786243235b8a8f4762ee57f185dadd97794fa4 (patch)
treeae690ba1d6abcf337b65ec8d747ea06037924b42 /sound
parent4c97e8fedf1a7ef52e23dc06ec7a15be54ed18a4 (diff)
downloadlinux-1a786243235b8a8f4762ee57f185dadd97794fa4.tar.xz
ASoC: wm2200: Provide platform data for MICBIAS configuration
Signed-off-by: Chris Rattray <crattray@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm2200.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index fee1a18e309e..31d29c8f11bc 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -2212,6 +2212,7 @@ static int wm2200_i2c_probe(struct i2c_client *i2c,
struct wm2200_priv *wm2200;
unsigned int reg;
int ret, i;
+ int val;
wm2200 = devm_kzalloc(&i2c->dev, sizeof(struct wm2200_priv),
GFP_KERNEL);
@@ -2362,6 +2363,36 @@ static int wm2200_i2c_probe(struct i2c_client *i2c,
regmap_write(wm2200->regmap, WM2200_AUDIO_IF_1_16 + i, i);
}
+ for (i = 0; i < WM2200_MAX_MICBIAS; i++) {
+ if (!wm2200->pdata.micbias[i].mb_lvl &&
+ !wm2200->pdata.micbias[i].bypass)
+ continue;
+
+ /* Apply default for bypass mode */
+ if (!wm2200->pdata.micbias[i].mb_lvl)
+ wm2200->pdata.micbias[i].mb_lvl
+ = WM2200_MBIAS_LVL_1V5;
+
+ val = (wm2200->pdata.micbias[i].mb_lvl -1)
+ << WM2200_MICB1_LVL_SHIFT;
+
+ if (wm2200->pdata.micbias[i].discharge)
+ val |= WM2200_MICB1_DISCH;
+
+ if (wm2200->pdata.micbias[i].fast_start)
+ val |= WM2200_MICB1_RATE;
+
+ if (wm2200->pdata.micbias[i].bypass)
+ val |= WM2200_MICB1_MODE;
+
+ regmap_update_bits(wm2200->regmap,
+ WM2200_MIC_BIAS_CTRL_1 + i,
+ WM2200_MICB1_LVL_MASK |
+ WM2200_MICB1_DISCH |
+ WM2200_MICB1_MODE |
+ WM2200_MICB1_RATE, val);
+ }
+
for (i = 0; i < ARRAY_SIZE(wm2200->pdata.in_mode); i++) {
regmap_update_bits(wm2200->regmap, wm2200_mic_ctrl_reg[i],
WM2200_IN1_MODE_MASK |