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authorHans Verkuil <hans.verkuil@cisco.com>2012-09-21 09:33:35 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-26 17:51:41 -0300
commit617ade61ea88a370c89960918eddfa10c41316f5 (patch)
tree454f435d429f26ba0268fd2b02cff539dc98fbfa /drivers/media/radio/radio-wl1273.c
parentf9611240b96fd18359531e939b09969fee556221 (diff)
downloadlinux-linaro-stable-617ade61ea88a370c89960918eddfa10c41316f5.tar.gz
[media] radio drivers: in non-blocking mode return EAGAIN in hwseek
VIDIOC_S_HW_FREQ_SEEK should return EAGAIN when called in non-blocking mode. This might change in the future if we add support for this in the future, but right now this is not supported. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio/radio-wl1273.c')
-rw-r--r--drivers/media/radio/radio-wl1273.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index b53ecbc67f17..9b0c9fa0beb8 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -1693,6 +1693,9 @@ static int wl1273_fm_vidioc_s_hw_freq_seek(struct file *file, void *priv,
if (seek->tuner != 0 || seek->type != V4L2_TUNER_RADIO)
return -EINVAL;
+ if (file->f_flags & O_NONBLOCK)
+ return -EWOULDBLOCK;
+
if (mutex_lock_interruptible(&core->lock))
return -EINTR;