diff options
Diffstat (limited to 'sound/soc/codecs/tpa6130a2.c')
| -rw-r--r-- | sound/soc/codecs/tpa6130a2.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c index 998555f2a8aa..b27c396037d4 100644 --- a/sound/soc/codecs/tpa6130a2.c +++ b/sound/soc/codecs/tpa6130a2.c @@ -56,7 +56,8 @@ static int tpa6130a2_i2c_read(int reg) struct tpa6130a2_data *data; int val; - BUG_ON(tpa6130a2_client == NULL); + if (WARN_ON(!tpa6130a2_client)) + return -EINVAL; data = i2c_get_clientdata(tpa6130a2_client); /* If powered off, return the cached value */ @@ -78,7 +79,8 @@ static int tpa6130a2_i2c_write(int reg, u8 value) struct tpa6130a2_data *data; int val = 0; - BUG_ON(tpa6130a2_client == NULL); + if (WARN_ON(!tpa6130a2_client)) + return -EINVAL; data = i2c_get_clientdata(tpa6130a2_client); if (data->power_state) { @@ -99,7 +101,8 @@ static u8 tpa6130a2_read(int reg) { struct tpa6130a2_data *data; - BUG_ON(tpa6130a2_client == NULL); + if (WARN_ON(!tpa6130a2_client)) + return 0; data = i2c_get_clientdata(tpa6130a2_client); return data->regs[reg]; @@ -110,7 +113,8 @@ static int tpa6130a2_initialize(void) struct tpa6130a2_data *data; int i, ret = 0; - BUG_ON(tpa6130a2_client == NULL); + if (WARN_ON(!tpa6130a2_client)) + return -EINVAL; data = i2c_get_clientdata(tpa6130a2_client); for (i = 1; i < TPA6130A2_REG_VERSION; i++) { @@ -128,7 +132,8 @@ static int tpa6130a2_power(u8 power) u8 val; int ret = 0; - BUG_ON(tpa6130a2_client == NULL); + if (WARN_ON(!tpa6130a2_client)) + return -EINVAL; data = i2c_get_clientdata(tpa6130a2_client); mutex_lock(&data->mutex); @@ -194,7 +199,8 @@ static int tpa6130a2_get_volsw(struct snd_kcontrol *kcontrol, unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; - BUG_ON(tpa6130a2_client == NULL); + if (WARN_ON(!tpa6130a2_client)) + return -EINVAL; data = i2c_get_clientdata(tpa6130a2_client); mutex_lock(&data->mutex); @@ -224,7 +230,8 @@ static int tpa6130a2_put_volsw(struct snd_kcontrol *kcontrol, unsigned int val = (ucontrol->value.integer.value[0] & mask); unsigned int val_reg; - BUG_ON(tpa6130a2_client == NULL); + if (WARN_ON(!tpa6130a2_client)) + return -EINVAL; data = i2c_get_clientdata(tpa6130a2_client); if (invert) |