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authorHans Verkuil <hans.verkuil@cisco.com>2012-09-21 12:33:35 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-26 20:51:41 (GMT)
commit617ade61ea88a370c89960918eddfa10c41316f5 (patch)
tree454f435d429f26ba0268fd2b02cff539dc98fbfa
parentf9611240b96fd18359531e939b09969fee556221 (diff)
[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>
-rw-r--r--drivers/media/radio/radio-mr800.c3
-rw-r--r--drivers/media/radio/radio-tea5777.c3
-rw-r--r--drivers/media/radio/radio-wl1273.c3
-rw-r--r--drivers/media/radio/si470x/radio-si470x-common.c3
-rw-r--r--drivers/media/radio/wl128x/fmdrv_v4l2.c3
-rw-r--r--sound/i2c/other/tea575x-tuner.c3
6 files changed, 18 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index 720bf0d..9c5a267 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 c1a2ea6..4b5190d 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 b53ecbc..9b0c9fa 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 74a5c90..1898938 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 8a672a3..048de45 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) {
diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c
index 4a8fad6..3c6c1e3 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) ||

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