diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-12-14 08:28:34 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-01-07 07:40:44 -0200 |
| commit | af2c5debe11f51d9af42accd9dd495478bb726fd (patch) | |
| tree | 94f84ee42c6089ed98fb3461ce2906fbdadf8f15 /drivers/media/i2c | |
| parent | a9fe3beee6c698a9802e1bb4928b107695d2f12e (diff) | |
[media] saa6588: after calling CMD_CLOSE, CMD_POLL is broken
CMD_CLOSE sets data_available_for_read to 1, which is necessary to do the
wakeup call, but it is never reset to 0.
Because of this calling CMD_POLL afterwards will always return that data is
available, even if there isn't any.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/saa6588.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/i2c/saa6588.c b/drivers/media/i2c/saa6588.c index 70bc72e795d0..54dd7a09f9d3 100644 --- a/drivers/media/i2c/saa6588.c +++ b/drivers/media/i2c/saa6588.c @@ -402,6 +402,7 @@ static long saa6588_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) case SAA6588_CMD_CLOSE: s->data_available_for_read = 1; wake_up_interruptible(&s->read_queue); + s->data_available_for_read = 0; a->result = 0; break; /* --- read() for /dev/radio --- */ |