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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-11-13 17:25:04 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-11-14 14:24:45 -0200 |
| commit | 41f5230f3fc6296d0d88ab9f4c3c07fcbbe53e59 (patch) | |
| tree | 422bc578bf641143b9ab58d73a39dc922e5c2d7b | |
| parent | 494264379d186bf806613d27aafb7d88d42f4212 (diff) | |
| download | linux-41f5230f3fc6296d0d88ab9f4c3c07fcbbe53e59.tar.bz2 | |
V4L/DVB (9622): tvaudio: Improve comments and remove a unneeded prototype
Some comments are not clear enough. Improve it to allow a better
understanding of the driver behavior.
While there, remove an unneeded struct prototype.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/video/tvaudio.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index 55b39b9a33d9..779ce7f865c3 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -106,7 +106,6 @@ struct CHIPDESC { int inputmute; int inputmask; }; -static struct CHIPDESC chiplist[]; /* current state of the chip */ struct CHIPSTATE { @@ -1856,11 +1855,13 @@ static int chip_command(struct i2c_client *client, case VIDIOC_S_FREQUENCY: chip->mode = 0; /* automatic */ - /* For chips that provide getmode, setmode and checkmode, - a kthread is created to automatically to set the audio - standard. In this case, start with MONO and wait 2 seconds - for the decoding to stablize. Then, run kthread to change - to stereo, if carrier detected. + /* For chips that provide getmode and setmode, and doesn't + automatically follows the stereo carrier, a kthread is + created to set the audio standard. In this case, when then + the video channel is changed, tvaudio starts on MONO mode. + After waiting for 2 seconds, the kernel thread is called, + to follow whatever audio standard is pointed by the + audio carrier. */ if (chip->thread) { desc->setmode(chip,V4L2_TUNER_MODE_MONO); @@ -1905,9 +1906,3 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data = { .legacy_probe = chip_legacy_probe, .id_table = chip_id, }; - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |