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Diffstat (limited to 'sound/i2c/other/tea575x-tuner.c')
-rw-r--r--sound/i2c/other/tea575x-tuner.c22
1 files changed, 3 insertions, 19 deletions
diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c
index 0d7a659c494c..beb0e86537cd 100644
--- a/sound/i2c/other/tea575x-tuner.c
+++ b/sound/i2c/other/tea575x-tuner.c
@@ -282,26 +282,9 @@ static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
return 0;
}
-static int snd_tea575x_exclusive_open(struct file *file)
-{
- struct snd_tea575x *tea = video_drvdata(file);
-
- return test_and_set_bit(0, &tea->in_use) ? -EBUSY : 0;
-}
-
-static int snd_tea575x_exclusive_release(struct file *file)
-{
- struct snd_tea575x *tea = video_drvdata(file);
-
- clear_bit(0, &tea->in_use);
- return 0;
-}
-
static const struct v4l2_file_operations tea575x_fops = {
.owner = THIS_MODULE,
- .open = snd_tea575x_exclusive_open,
- .release = snd_tea575x_exclusive_release,
- .ioctl = video_ioctl2,
+ .unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops tea575x_ioctl_ops = {
@@ -340,13 +323,14 @@ int snd_tea575x_init(struct snd_tea575x *tea)
if (snd_tea575x_read(tea) != 0x55AA)
return -ENODEV;
- tea->in_use = 0;
tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40;
tea->freq = 90500 * 16; /* 90.5Mhz default */
snd_tea575x_set_freq(tea);
tea->vd = tea575x_radio;
video_set_drvdata(&tea->vd, tea);
+ mutex_init(&tea->mutex);
+ tea->vd.lock = &tea->mutex;
v4l2_ctrl_handler_init(&tea->ctrl_handler, 1);
tea->vd.ctrl_handler = &tea->ctrl_handler;