@@ -650,7 +650,6 @@ static int tasdev_tf_data_get(struct snd_kcontrol *kcontrol,
(struct soc_bytes_ext *) kcontrol->private_value;
unsigned char *dst = ucontrol->value.bytes.data;
unsigned int reg;
- int rc = -1;
if (tas_priv->chip_id == TAS2781)
reg = TAS2781_RUNTIME_RE_REG_TF;
@@ -659,9 +658,7 @@ static int tasdev_tf_data_get(struct snd_kcontrol *kcontrol,
guard(mutex)(&tas_priv->codec_lock);
dst[0] = bytes_ext->max;
- rc = calib_data_get(tas_priv, reg, &dst[1]);
-
- return rc;
+ return calib_data_get(tas_priv, reg, &dst[1]);
}
static int tasdev_re_data_get(struct snd_kcontrol *kcontrol,
@@ -673,7 +670,6 @@ static int tasdev_re_data_get(struct snd_kcontrol *kcontrol,
(struct soc_bytes_ext *) kcontrol->private_value;
unsigned char *dst = ucontrol->value.bytes.data;
unsigned int reg;
- int rc = -1;
if (tas_priv->chip_id == TAS2781)
reg = TAS2781_RUNTIME_RE_REG;
@@ -681,9 +677,7 @@ static int tasdev_re_data_get(struct snd_kcontrol *kcontrol,
reg = TAS2563_RUNTIME_RE_REG;
guard(mutex)(&tas_priv->codec_lock);
dst[0] = bytes_ext->max;
- rc = calib_data_get(tas_priv, reg, &dst[1]);
-
- return rc;
+ return calib_data_get(tas_priv, reg, &dst[1]);
}
static int tasdev_r0_data_get(struct snd_kcontrol *kcontrol,
@@ -696,7 +690,6 @@ static int tasdev_r0_data_get(struct snd_kcontrol *kcontrol,
(struct soc_bytes_ext *) kcontrol->private_value;
unsigned char *dst = ucontrol->value.bytes.data;
unsigned int reg;
- int rc = -1;
guard(mutex)(&tas_priv->codec_lock);
@@ -707,9 +700,7 @@ static int tasdev_r0_data_get(struct snd_kcontrol *kcontrol,
else
return -1;
dst[0] = bytes_ext->max;
- rc = calib_data_get(tas_priv, reg, &dst[1]);
-
- return rc;
+ return calib_data_get(tas_priv, reg, &dst[1]);
}
static int tasdev_XMA1_data_get(struct snd_kcontrol *kcontrol,
@@ -721,13 +712,10 @@ static int tasdev_XMA1_data_get(struct snd_kcontrol *kcontrol,
(struct soc_bytes_ext *) kcontrol->private_value;
unsigned char *dst = ucontrol->value.bytes.data;
unsigned int reg = TASDEVICE_XM_A1_REG;
- int rc = -1;
guard(mutex)(&tas_priv->codec_lock);
dst[0] = bytes_ext->max;
- rc = calib_data_get(tas_priv, reg, &dst[1]);
-
- return rc;
+ return calib_data_get(tas_priv, reg, &dst[1]);
}
static int tasdev_XMA2_data_get(struct snd_kcontrol *kcontrol,
@@ -739,13 +727,10 @@ static int tasdev_XMA2_data_get(struct snd_kcontrol *kcontrol,
(struct soc_bytes_ext *) kcontrol->private_value;
unsigned char *dst = ucontrol->value.bytes.data;
unsigned int reg = TASDEVICE_XM_A2_REG;
- int rc = -1;
guard(mutex)(&tas_priv->codec_lock);
dst[0] = bytes_ext->max;
- rc = calib_data_get(tas_priv, reg, &dst[1]);
-
- return rc;
+ return calib_data_get(tas_priv, reg, &dst[1]);
}
static int tasdev_nop_get(
@@ -1115,14 +1100,12 @@ static int tasdevice_active_num_put(struct snd_kcontrol *kcontrol,
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
int dev_id = ucontrol->value.integer.value[0];
- int max = tas_priv->ndev - 1, rc;
+ int max = tas_priv->ndev - 1;
dev_id = clamp(dev_id, 0, max);
guard(mutex)(&tas_priv->codec_lock);
- rc = tasdev_chn_switch(tas_priv, dev_id);
-
- return rc;
+ return tasdev_chn_switch(tas_priv, dev_id);
}
static int tasdevice_dsp_create_ctrls(struct tasdevice_priv *tas_priv)
@@ -1339,10 +1322,8 @@ static int tasdevice_create_cali_ctrls(struct tasdevice_priv *priv)
i++;
}
- rc = snd_soc_add_component_controls(priv->codec, cali_ctrls,
+ return snd_soc_add_component_controls(priv->codec, cali_ctrls,
nctrls < i ? nctrls : i);
-
- return rc;
}
static void tasdevice_fw_ready(const struct firmware *fmw,
In these functions, the variable 'rc' is redundant, thus remove it. Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com> --- sound/soc/codecs/tas2781-i2c.c | 35 ++++++++-------------------------- 1 file changed, 8 insertions(+), 27 deletions(-)