diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2011-11-13 20:55:35 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-11-13 20:55:53 +0100 |
| commit | 2290c0d06d82faee87b1ab2d9d4f7bf81ef64379 (patch) | |
| tree | e075e4d5534193f28e6059904f61e5ca03958d3c /drivers/media/video/tvaudio.c | |
| parent | 4da669a2e3e5bc70b30a0465f3641528681b5f77 (diff) | |
| parent | 52e4c2a05256cb83cda12f3c2137ab1533344edb (diff) | |
Merge branch 'master' into for-next
Sync with Linus tree to have 157550ff ("mtd: add GPMI-NAND driver
in the config and Makefile") as I have patch depending on that one.
Diffstat (limited to 'drivers/media/video/tvaudio.c')
| -rw-r--r-- | drivers/media/video/tvaudio.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index c46a3bb9585..f22dbef9b95 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -1695,14 +1695,17 @@ static int tvaudio_s_ctrl(struct v4l2_subdev *sd, case V4L2_CID_AUDIO_BALANCE: { int volume, balance; + if (!(desc->flags & CHIP_HAS_VOLUME)) break; - volume = max(chip->left,chip->right); + volume = max(chip->left, chip->right); balance = ctrl->value; + chip->left = (min(65536 - balance, 32768) * volume) / 32768; + chip->right = (min(balance, volume * (__u16)32768)) / 32768; - chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); - chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); + chip_write(chip, desc->leftreg, desc->volfunc(chip->left)); + chip_write(chip, desc->rightreg, desc->volfunc(chip->right)); return 0; } |