diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-09-21 14:33:35 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-09-26 22:51:41 +0200 |
| commit | 617ade61ea88a370c89960918eddfa10c41316f5 (patch) | |
| tree | 454f435d429f26ba0268fd2b02cff539dc98fbfa /drivers/media/radio | |
| parent | [media] DocBook: in non-blocking mode return EAGAIN in hwseek (diff) | |
| download | linux-617ade61ea88a370c89960918eddfa10c41316f5.tar.xz linux-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 'drivers/media/radio')
| -rw-r--r-- | drivers/media/radio/radio-mr800.c | 3 | ||||
| -rw-r--r-- | drivers/media/radio/radio-tea5777.c | 3 | ||||
| -rw-r--r-- | drivers/media/radio/radio-wl1273.c | 3 | ||||
| -rw-r--r-- | drivers/media/radio/si470x/radio-si470x-common.c | 3 | ||||
| -rw-r--r-- | drivers/media/radio/wl128x/fmdrv_v4l2.c | 3 |
5 files changed, 15 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index 720bf0da599c..9c5a267b60b4 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -360,6 +360,9 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *priv, if (seek->tuner != 0 || !seek->wrap_around) return -EINVAL; + if (file->f_flags & O_NONBLOCK) + return -EWOULDBLOCK; + retval = amradio_send_cmd(radio, AMRADIO_SET_SEARCH_LVL, 0, buf, 8, false); if (retval) diff --git a/drivers/media/radio/radio-tea5777.c b/drivers/media/radio/radio-tea5777.c index c1a2ea6e87a3..4b5190d4fea5 100644 --- a/drivers/media/radio/radio-tea5777.c +++ b/drivers/media/radio/radio-tea5777.c @@ -397,6 +397,9 @@ 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 (rangelow || rangehigh) { for (i = 0; i < ARRAY_SIZE(bands); i++) { if (i == BAND_AM && !tea->has_am) 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; diff --git a/drivers/media/radio/si470x/radio-si470x-common.c b/drivers/media/radio/si470x/radio-si470x-common.c index 74a5c901471f..18989388ddc1 100644 --- a/drivers/media/radio/si470x/radio-si470x-common.c +++ b/drivers/media/radio/si470x/radio-si470x-common.c @@ -708,6 +708,9 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv, if (seek->tuner != 0) return -EINVAL; + if (file->f_flags & O_NONBLOCK) + return -EWOULDBLOCK; + return si470x_set_seek(radio, seek); } diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c index 8a672a31a656..048de4536036 100644 --- a/drivers/media/radio/wl128x/fmdrv_v4l2.c +++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c @@ -408,6 +408,9 @@ static int fm_v4l2_vidioc_s_hw_freq_seek(struct file *file, void *priv, struct fmdev *fmdev = video_drvdata(file); int ret; + if (file->f_flags & O_NONBLOCK) + return -EWOULDBLOCK; + if (fmdev->curr_fmmode != FM_MODE_RX) { ret = fmc_set_mode(fmdev, FM_MODE_RX); if (ret != 0) { |