diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-19 19:04:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-19 19:04:47 +0200 |
| commit | 3e10e879a8c334a5927d800a3663a24d562cfa31 (patch) | |
| tree | 5d18bc7e38c986a044e99aa0d0a4aff4931ec7d0 /drivers/media/radio/radio-trust.c | |
| parent | 98d9c66ab07471006fd7910cb16453581c41a3e7 (diff) | |
| parent | 0cfd81031a26717fe14380d18275f8e217571615 (diff) | |
| download | op-kernel-dev-3e10e879a8c334a5927d800a3663a24d562cfa31.zip op-kernel-dev-3e10e879a8c334a5927d800a3663a24d562cfa31.tar.gz | |
Merge branch 'linus' into tracing-v28-for-linus-v3
Conflicts:
init/main.c
kernel/module.c
scripts/bootgraph.pl
Diffstat (limited to 'drivers/media/radio/radio-trust.c')
| -rw-r--r-- | drivers/media/radio/radio-trust.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/radio/radio-trust.c b/drivers/media/radio/radio-trust.c index 1931619..e7b111f 100644 --- a/drivers/media/radio/radio-trust.c +++ b/drivers/media/radio/radio-trust.c @@ -78,6 +78,7 @@ static __u16 curtreble; static unsigned long curfreq; static int curstereo; static int curmute; +static unsigned long in_use; /* i2c addresses */ #define TDA7318_ADDR 0x88 @@ -336,10 +337,21 @@ static int vidioc_s_audio(struct file *file, void *priv, return 0; } +static int trust_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &in_use) ? -EBUSY : 0; +} + +static int trust_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &in_use); + return 0; +} + static const struct file_operations trust_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = trust_exclusive_open, + .release = trust_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, @@ -366,6 +378,7 @@ static struct video_device trust_radio = { .name = "Trust FM Radio", .fops = &trust_fops, .ioctl_ops = &trust_ioctl_ops, + .release = video_device_release_empty, }; static int __init trust_init(void) |
