diff options
| -rw-r--r-- | drivers/media/video/bt8xx/bttv-driver.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index a080c149cc6..fc3f57adb72 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -3415,6 +3415,7 @@ 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); @@ -3429,12 +3430,19 @@ 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); @@ -3444,7 +3452,8 @@ 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--; @@ -3569,7 +3578,8 @@ 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; @@ -3583,7 +3593,8 @@ 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; |