diff options
Diffstat (limited to 'drivers/staging/cx25821/cx25821-medusa-video.c')
| -rw-r--r-- | drivers/staging/cx25821/cx25821-medusa-video.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/staging/cx25821/cx25821-medusa-video.c b/drivers/staging/cx25821/cx25821-medusa-video.c index 34616dc507f9..ef9f2b82a860 100644 --- a/drivers/staging/cx25821/cx25821-medusa-video.c +++ b/drivers/staging/cx25821/cx25821-medusa-video.c @@ -778,9 +778,9 @@ int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder) int medusa_video_init(struct cx25821_dev *dev) { - u32 value, tmp = 0; - int ret_val; - int i; + u32 value = 0, tmp = 0; + int ret_val = 0; + int i = 0; mutex_lock(&dev->lock); @@ -790,6 +790,7 @@ int medusa_video_init(struct cx25821_dev *dev) value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp); value &= 0xFFFFF0FF; ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value); + if (ret_val < 0) goto error; @@ -797,6 +798,7 @@ int medusa_video_init(struct cx25821_dev *dev) value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp); value &= 0xFFFFFFDF; ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value); + if (ret_val < 0) goto error; @@ -812,6 +814,7 @@ int medusa_video_init(struct cx25821_dev *dev) value &= 0xFF70FF70; value |= 0x00090008; /* set en_active */ ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_AB_CTRL, value); + if (ret_val < 0) goto error; @@ -826,8 +829,10 @@ int medusa_video_init(struct cx25821_dev *dev) /* select AFE clock to output mode */ value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp); value &= 0x83FFFFFF; - ret_val = cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, - value | 0x10000000); + ret_val = + cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, + value | 0x10000000); + if (ret_val < 0) goto error; @@ -849,12 +854,15 @@ int medusa_video_init(struct cx25821_dev *dev) value |= 7; ret_val = cx25821_i2c_write(&dev->i2c_bus[0], PIN_OE_CTRL, value); + if (ret_val < 0) goto error; + mutex_unlock(&dev->lock); ret_val = medusa_set_videostandard(dev); + return ret_val; error: |