On 01/30/2013 02:22 PM, Hebbar Gururaja wrote:
@@ -1493,6 +1544,28 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, aic3x->setup = ai3x_setup; }
if (!of_property_read_u32(np, "ai3x-micbias-vg", &value)) {switch (value) {case 1 :aic3x->micbias_vg = AIC3X_MICBIAS_2_0V;break;case 2 :aic3x->micbias_vg = AIC3X_MICBIAS_2_5V;break;case 3 :aic3x->micbias_vg = AIC3X_MICBIAS_AVDDV;break;default :aic3x->micbias_vg = AIC3X_MICBIAS_OFF;dev_err(&i2c->dev, "Unsuitable MicBias voltage ""found in DT\n");}} else {dev_warn(&i2c->dev, "No MicBias voltage found in DT - ""using default\n");
Since "ai3x-micbias-vg" property is optional I don't think it is appropriate to print anything here. If you really want a note about this it should be dev_info().
aic3x->micbias_vg = AIC3X_MICBIAS_OFF;}- } else { aic3x->gpio_reset = -1; }
diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h index 6db3c41..e521ac3 100644 --- a/sound/soc/codecs/tlv320aic3x.h +++ b/sound/soc/codecs/tlv320aic3x.h @@ -238,6 +238,10 @@ /* Default input volume */ #define DEFAULT_GAIN 0x20
+/* MICBIAS Control Register */ +#define MICBIAS_LEVEL_SHIFT (6) +#define MICBIAS_LEVEL_MASK (3 << 6)
/* headset detection / button API */
/* The AIC3x supports detection of stereo headsets (GND + left + right signal)