diff options
Diffstat (limited to 'sound/soc/codecs/tpa6130a2.c')
| -rw-r--r-- | sound/soc/codecs/tpa6130a2.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c index 329acc1..d2c2430 100644 --- a/sound/soc/codecs/tpa6130a2.c +++ b/sound/soc/codecs/tpa6130a2.c @@ -78,8 +78,10 @@ static int tpa6130a2_i2c_write(int reg, u8 value) if (data->power_state) { val = i2c_smbus_write_byte_data(tpa6130a2_client, reg, value); - if (val < 0) + if (val < 0) { dev_err(&tpa6130a2_client->dev, "Write failed\n"); + return val; + } } /* Either powered on or off, we save the context */ @@ -119,13 +121,13 @@ static int tpa6130a2_power(int power) { struct tpa6130a2_data *data; u8 val; - int ret; + int ret = 0; BUG_ON(tpa6130a2_client == NULL); data = i2c_get_clientdata(tpa6130a2_client); mutex_lock(&data->mutex); - if (power) { + if (power && !data->power_state) { /* Power on */ if (data->power_gpio >= 0) gpio_set_value(data->power_gpio, 1); @@ -153,7 +155,7 @@ static int tpa6130a2_power(int power) val = tpa6130a2_read(TPA6130A2_REG_CONTROL); val &= ~TPA6130A2_SWS; tpa6130a2_i2c_write(TPA6130A2_REG_CONTROL, val); - } else { + } else if (!power && data->power_state) { /* set SWS */ val = tpa6130a2_read(TPA6130A2_REG_CONTROL); val |= TPA6130A2_SWS; |
