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authorRobert Fitzsimons <robfitz@273k.net>2008-04-01 11:41:54 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-01 19:35:44 -0300
commit5cd3955cb8adfc1edf481e9e1cb2289db50ccacb (patch)
treef327631e14d32ff40cb947fba674bc972f0284bd /drivers/media/video/bt8xx
parent0e81a8ae37687845f7cdfa2adce14ea6a5f1dd34 (diff)
V4L/DVB (7277): bttv: Re-enabling radio support requires the use of struct bttv_fh
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 'drivers/media/video/bt8xx')
-rw-r--r--drivers/media/video/bt8xx/bttv-driver.c21
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;