From 3ca685aae04960eaa8b2c97baf384996c20cf9ac Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 04:49:13 -0300 Subject: V4L/DVB (8776): radio: replace video_exclusive_open/release Move the video_exclusive_open/release functionality into the driver itself. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-trust.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'drivers/media/radio/radio-trust.c') diff --git a/drivers/media/radio/radio-trust.c b/drivers/media/radio/radio-trust.c index 193161956253..dd0c425ef3b8 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, -- cgit v1.2.2 From aa5e90af7d78d1711f8f4275ce3638817c0023dc Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 06:23:55 -0300 Subject: V4L/DVB (8783): v4l: add all missing video_device release callbacks All drivers that call video_device_register where checked to see if they set the release callback of struct video_device. Where that callback was missing it was added. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-trust.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/media/radio/radio-trust.c') diff --git a/drivers/media/radio/radio-trust.c b/drivers/media/radio/radio-trust.c index dd0c425ef3b8..e7b111fcd105 100644 --- a/drivers/media/radio/radio-trust.c +++ b/drivers/media/radio/radio-trust.c @@ -378,6 +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) -- cgit v1.2.2