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[media] radio drivers: in non-blocking mode return EAGAIN in hwseek

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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>
This commit is contained in:
Hans Verkuil 2012-09-21 09:33:35 -03:00 committed by Mauro Carvalho Chehab
parent f9611240b9
commit 617ade61ea
6 changed files with 18 additions and 0 deletions
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3
drivers/media/radio/radio-mr800.c
View File

@ -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)

3
drivers/media/radio/radio-tea5777.c
View File

@ -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)

3
drivers/media/radio/radio-wl1273.c
View File

@ -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;

3
drivers/media/radio/si470x/radio-si470x-common.c
View File

@ -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);
}

3
drivers/media/radio/wl128x/fmdrv_v4l2.c
View File

@ -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) {

3
sound/i2c/other/tea575x-tuner.c
View File

@ -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) ||