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path: root/drivers/media/video/bt8xx/bttv-driver.c
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Diffstat (limited to 'drivers/media/video/bt8xx/bttv-driver.c')
-rw-r--r--drivers/media/video/bt8xx/bttv-driver.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index a080c149cc6c..fcf8f2d208a8 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -1990,7 +1990,7 @@ static int bttv_g_frequency(struct file *file, void *priv,
if (0 != err)
return err;
- f->type = V4L2_TUNER_ANALOG_TV;
+ f->type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
f->frequency = btv->freq;
return 0;
@@ -2009,7 +2009,8 @@ static int bttv_s_frequency(struct file *file, void *priv,
if (unlikely(f->tuner != 0))
return -EINVAL;
- if (unlikely(f->type != V4L2_TUNER_ANALOG_TV))
+ if (unlikely(f->type != (btv->radio_user
+ ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV)))
return -EINVAL;
mutex_lock(&btv->lock);
btv->freq = f->frequency;
@@ -3415,6 +3416,7 @@ 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 +3431,19 @@ 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 +3453,8 @@ 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--;
@@ -3508,8 +3518,12 @@ static int radio_enum_input(struct file *file, void *priv,
static int radio_g_audio(struct file *file, void *priv,
struct v4l2_audio *a)
{
+ if (a->index != 0)
+ return -EINVAL;
+
memset(a, 0, sizeof(*a));
strcpy(a->name, "Radio");
+
return 0;
}
@@ -3569,7 +3583,8 @@ 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 +3598,8 @@ 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;
@@ -3599,6 +3615,7 @@ static const struct file_operations radio_fops =
.open = radio_open,
.read = radio_read,
.release = radio_release,
+ .compat_ioctl = v4l_compat_ioctl32,
.ioctl = video_ioctl2,
.llseek = no_llseek,
.poll = radio_poll,