summaryrefslogtreecommitdiff
path: root/linux/sound/i2c/other/tea575x-tuner.c
diff options
context:
space:
mode:
authorHans Verkuil <hverkuil@xs4all.nl>2008-08-23 09:52:00 +0200
committerHans Verkuil <hverkuil@xs4all.nl>2008-08-23 09:52:00 +0200
commit33532a9370a8af24bb2332219dedf45570e50531 (patch)
treebc461b7bca2f0c0f38f10f70fdc91815d7406597 /linux/sound/i2c/other/tea575x-tuner.c
parent550d99d78a4cb96963d19e5c234dffd6f973d55f (diff)
downloadmediapointer-dvb-s2-33532a9370a8af24bb2332219dedf45570e50531.tar.gz
mediapointer-dvb-s2-33532a9370a8af24bb2332219dedf45570e50531.tar.bz2
tea575x-tuner: replace video_exclusive_open/release
From: Hans Verkuil <hverkuil@xs4all.nl> Move the video_exclusive_open/release functionality into the driver itself. Priority: normal Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'linux/sound/i2c/other/tea575x-tuner.c')
-rw-r--r--linux/sound/i2c/other/tea575x-tuner.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/linux/sound/i2c/other/tea575x-tuner.c b/linux/sound/i2c/other/tea575x-tuner.c
index c4bd65c94..0522b1266 100644
--- a/linux/sound/i2c/other/tea575x-tuner.c
+++ b/linux/sound/i2c/other/tea575x-tuner.c
@@ -186,6 +186,31 @@ static void snd_tea575x_release(struct video_device *vfd)
{
}
+static int snd_tea575x_exclusive_open(struct inode *inode, struct file *file)
+{
+ struct video_device *dev = video_devdata(file);
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17)
+ tea575x_t *tea = video_get_drvdata(dev);
+#else
+ struct snd_tea575x *tea = video_get_drvdata(dev);
+#endif
+
+ return test_and_set_bit(0, &tea->in_use) ? -EBUSY : 0;
+}
+
+static int snd_tea575x_exclusive_release(struct inode *inode, struct file *file)
+{
+ struct video_device *dev = video_devdata(file);
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17)
+ tea575x_t *tea = video_get_drvdata(dev);
+#else
+ struct snd_tea575x *tea = video_get_drvdata(dev);
+#endif
+
+ clear_bit(0, &tea->in_use);
+ return 0;
+}
+
/*
* initialize all the tea575x chips
*/
@@ -208,9 +233,10 @@ void snd_tea575x_init(struct snd_tea575x *tea)
tea->vd.release = snd_tea575x_release;
video_set_drvdata(&tea->vd, tea);
tea->vd.fops = &tea->fops;
+ tea->in_use = 0;
tea->fops.owner = tea->card->module;
- tea->fops.open = video_exclusive_open;
- tea->fops.release = video_exclusive_release;
+ tea->fops.open = snd_tea575x_exclusive_open;
+ tea->fops.release = snd_tea575x_exclusive_release;
tea->fops.ioctl = snd_tea575x_ioctl;
if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) {
snd_printk(KERN_ERR "unable to register tea575x tuner\n");