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authorHans Verkuil <hverkuil@xs4all.nl>2008-08-23 03:49:13 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 07:36:53 -0400
commit3ca685aae04960eaa8b2c97baf384996c20cf9ac (patch)
treea4d99449643380c62b11a05d93f81b6b8a2f82d7 /drivers/media/radio/radio-gemtek.c
parent3b5df8ea40ac533c62b8e5f9f173d985665fc752 (diff)
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 <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio/radio-gemtek.c')
-rw-r--r--drivers/media/radio/radio-gemtek.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c
index 0a0f956bb308..cc90329026f2 100644
--- a/drivers/media/radio/radio-gemtek.c
+++ b/drivers/media/radio/radio-gemtek.c
@@ -57,6 +57,7 @@ static int shutdown = 1;
57static int keepmuted = 1; 57static int keepmuted = 1;
58static int initmute = 1; 58static int initmute = 1;
59static int radio_nr = -1; 59static int radio_nr = -1;
60static unsigned long in_use;
60 61
61module_param(io, int, 0444); 62module_param(io, int, 0444);
62MODULE_PARM_DESC(io, "Force I/O port for the GemTek Radio card if automatic " 63MODULE_PARM_DESC(io, "Force I/O port for the GemTek Radio card if automatic "
@@ -393,10 +394,21 @@ static struct v4l2_queryctrl radio_qctrl[] = {
393 } 394 }
394}; 395};
395 396
397static int gemtek_exclusive_open(struct inode *inode, struct file *file)
398{
399 return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
400}
401
402static int gemtek_exclusive_release(struct inode *inode, struct file *file)
403{
404 clear_bit(0, &in_use);
405 return 0;
406}
407
396static const struct file_operations gemtek_fops = { 408static const struct file_operations gemtek_fops = {
397 .owner = THIS_MODULE, 409 .owner = THIS_MODULE,
398 .open = video_exclusive_open, 410 .open = gemtek_exclusive_open,
399 .release = video_exclusive_release, 411 .release = gemtek_exclusive_release,
400 .ioctl = video_ioctl2, 412 .ioctl = video_ioctl2,
401#ifdef CONFIG_COMPAT 413#ifdef CONFIG_COMPAT
402 .compat_ioctl = v4l_compat_ioctl32, 414 .compat_ioctl = v4l_compat_ioctl32,