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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-02-27 01:47:29 +0000 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-02-27 01:47:29 +0000 |
| commit | 46f9dbdea4316092c21ffd95ce1469dc9cf6f938 (patch) | |
| tree | 26da6abb823f74838069039dc65071c29a6bd7cd /linux/drivers/media | |
| parent | 68f9dbd45264796ec356a4162cb1299a31c82101 (diff) | |
| download | mediapointer-dvb-s2-46f9dbdea4316092c21ffd95ce1469dc9cf6f938.tar.gz mediapointer-dvb-s2-46f9dbdea4316092c21ffd95ce1469dc9cf6f938.tar.bz2 | |
bttv: Re-enabling radio support requires the use of struct bttv_fh.
From: Robert Fitzsimons <robfitz@273k.net>
A number of the radio tuner ioctl functions are shared with the TV
tuner, these functions require a struct bttv_fh data structure to be
allocated and initialized.
Signed-off-by: Robert Fitzsimons <robfitz@273k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers/media')
| -rw-r--r-- | linux/drivers/media/video/bt8xx/bttv-driver.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/linux/drivers/media/video/bt8xx/bttv-driver.c b/linux/drivers/media/video/bt8xx/bttv-driver.c index eae3d8096..38a802698 100644 --- a/linux/drivers/media/video/bt8xx/bttv-driver.c +++ b/linux/drivers/media/video/bt8xx/bttv-driver.c @@ -3458,6 +3458,7 @@ static int radio_open(struct inode *inode, struct file *file) { int minor = iminor(inode); struct bttv *btv = NULL; + struct bttv_fh *fh; unsigned int i; dprintk("bttv: open minor=%d\n",minor); @@ -3472,12 +3473,19 @@ static int radio_open(struct inode *inode, struct file *file) return -ENODEV; dprintk("bttv%d: open called (radio)\n",btv->c.nr); + + /* allocate per filehandle data */ + fh = kmalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) + return -ENOMEM; + file->private_data = fh; + *fh = btv->init; + v4l2_prio_open(&btv->prio, &fh->prio); + mutex_lock(&btv->lock); btv->radio_user++; - file->private_data = btv; - bttv_call_i2c_clients(btv,AUDC_SET_RADIO,NULL); audio_input(btv,TVAUDIO_INPUT_RADIO); @@ -3487,7 +3495,8 @@ static int radio_open(struct inode *inode, struct file *file) static int radio_release(struct inode *inode, struct file *file) { - struct bttv *btv = file->private_data; + struct bttv_fh *fh = file->private_data; + struct bttv *btv = fh->btv; struct rds_command cmd; btv->radio_user--; @@ -3612,7 +3621,8 @@ static int radio_g_input(struct file *filp, void *priv, unsigned int *i) static ssize_t radio_read(struct file *file, char __user *data, size_t count, loff_t *ppos) { - struct bttv *btv = file->private_data; + struct bttv_fh *fh = file->private_data; + struct bttv *btv = fh->btv; struct rds_command cmd; cmd.block_count = count/3; cmd.buffer = data; @@ -3626,7 +3636,8 @@ static ssize_t radio_read(struct file *file, char __user *data, static unsigned int radio_poll(struct file *file, poll_table *wait) { - struct bttv *btv = file->private_data; + struct bttv_fh *fh = file->private_data; + struct bttv *btv = fh->btv; struct rds_command cmd; cmd.instance = file; cmd.event_list = wait; |