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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-09-21 09:33:35 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-09-26 17:51:41 -0300 |
| commit | 617ade61ea88a370c89960918eddfa10c41316f5 (patch) | |
| tree | 454f435d429f26ba0268fd2b02cff539dc98fbfa /sound/i2c | |
| parent | f9611240b96fd18359531e939b09969fee556221 (diff) | |
| download | lwn-617ade61ea88a370c89960918eddfa10c41316f5.tar.gz lwn-617ade61ea88a370c89960918eddfa10c41316f5.zip | |
[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 'sound/i2c')
| -rw-r--r-- | sound/i2c/other/tea575x-tuner.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c index 4a8fad674f02..3c6c1e3226f3 100644 --- a/sound/i2c/other/tea575x-tuner.c +++ b/sound/i2c/other/tea575x-tuner.c @@ -368,6 +368,9 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *fh, if (a->tuner || a->wrap_around) return -EINVAL; + if (file->f_flags & O_NONBLOCK) + return -EWOULDBLOCK; + if (a->rangelow || a->rangehigh) { for (i = 0; i < ARRAY_SIZE(bands); i++) { if ((i == BAND_FM && tea->tea5759) || |