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path: root/drivers/media/radio/si470x/radio-si470x-common.c
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Diffstat (limited to 'drivers/media/radio/si470x/radio-si470x-common.c')
-rw-r--r--drivers/media/radio/si470x/radio-si470x-common.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/radio/si470x/radio-si470x-common.c b/drivers/media/radio/si470x/radio-si470x-common.c
index 9bb65e170d9..18989388ddc 100644
--- a/drivers/media/radio/si470x/radio-si470x-common.c
+++ b/drivers/media/radio/si470x/radio-si470x-common.c
@@ -296,7 +296,7 @@ int si470x_set_freq(struct si470x_device *radio, unsigned int freq)
* si470x_set_seek - set seek
*/
static int si470x_set_seek(struct si470x_device *radio,
- struct v4l2_hw_freq_seek *seek)
+ const struct v4l2_hw_freq_seek *seek)
{
int band, retval;
unsigned int freq;
@@ -701,13 +701,16 @@ static int si470x_vidioc_s_frequency(struct file *file, void *priv,
* si470x_vidioc_s_hw_freq_seek - set hardware frequency seek
*/
static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv,
- struct v4l2_hw_freq_seek *seek)
+ const struct v4l2_hw_freq_seek *seek)
{
struct si470x_device *radio = video_drvdata(file);
if (seek->tuner != 0)
return -EINVAL;
+ if (file->f_flags & O_NONBLOCK)
+ return -EWOULDBLOCK;
+
return si470x_set_seek(radio, seek);
}