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-rw-r--r--sound/soc/codecs/max9877.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/sound/soc/codecs/max9877.c b/sound/soc/codecs/max9877.c
index a1f1119e1b7..9e7e964a5fa 100644
--- a/sound/soc/codecs/max9877.c
+++ b/sound/soc/codecs/max9877.c
@@ -25,7 +25,14 @@ static u8 max9877_regs[5] = { 0x40, 0x00, 0x00, 0x00, 0x49 };
static void max9877_write_regs(void)
{
- if (i2c_master_send(i2c, max9877_regs, 5) != 5)
+ unsigned int i;
+ u8 data[6];
+
+ data[0] = MAX9877_INPUT_MODE;
+ for (i = 0; i < ARRAY_SIZE(max9877_regs); i++)
+ data[i + 1] = max9877_regs[i];
+
+ if (i2c_master_send(i2c, data, 6) != 6)
dev_err(&i2c->dev, "i2c write failed\n");
}
@@ -135,12 +142,12 @@ static int max9877_set_out_mode(struct snd_kcontrol *kcontrol,
{
u8 value = ucontrol->value.integer.value[0];
- if (value)
- value += 1;
+ value += 1;
if ((max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OUTMODE_MASK) == value)
return 0;
+ max9877_regs[MAX9877_OUTPUT_MODE] &= ~MAX9877_OUTMODE_MASK;
max9877_regs[MAX9877_OUTPUT_MODE] |= value;
max9877_write_regs();
return 1;
@@ -166,6 +173,7 @@ static int max9877_set_osc_mode(struct snd_kcontrol *kcontrol,
if ((max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OSC_MASK) == value)
return 0;
+ max9877_regs[MAX9877_OUTPUT_MODE] &= ~MAX9877_OSC_MASK;
max9877_regs[MAX9877_OUTPUT_MODE] |= value;
max9877_write_regs();
return 1;