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[media] bttv: use centralized std and implement g_std

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The 'current_norm' field cannot be used if multiple device nodes (video and
vbi in this case) set the same std.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-02-06 12:43:07 -03:00 committed by Mauro Carvalho Chehab
parent 8c14cc1f0a
commit 6795cc5550
2 changed files with 13 additions and 1 deletions
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13
drivers/media/pci/bt8xx/bttv-driver.c
View File

@ -1716,6 +1716,7 @@ static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id)
goto err;
}
btv->std = *id;
set_tvnorm(btv, i);
err:
@ -1723,6 +1724,15 @@ err:
return err;
}
static int bttv_g_std(struct file *file, void *priv, v4l2_std_id *id)
{
struct bttv_fh *fh = priv;
struct bttv *btv = fh->btv;
*id = btv->std;
return 0;
}
static int bttv_querystd(struct file *file, void *f, v4l2_std_id *id)
{
struct bttv_fh *fh = f;
@ -3166,6 +3176,7 @@ static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
.vidioc_qbuf = bttv_qbuf,
.vidioc_dqbuf = bttv_dqbuf,
.vidioc_s_std = bttv_s_std,
.vidioc_g_std = bttv_g_std,
.vidioc_enum_input = bttv_enum_input,
.vidioc_g_input = bttv_g_input,
.vidioc_s_input = bttv_s_input,
@ -3196,7 +3207,6 @@ static struct video_device bttv_video_template = {
.fops = &bttv_fops,
.ioctl_ops = &bttv_ioctl_ops,
.tvnorms = BTTV_NORMS,
.current_norm = V4L2_STD_PAL,
};
/* ----------------------------------------------------------------------- */
@ -4192,6 +4202,7 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
bttv_set_frequency(btv, &init_freq);
btv->radio_freq = 90500 * 16; /* 90.5Mhz default */
}
btv->std = V4L2_STD_PAL;
init_irqreg(btv);
v4l2_ctrl_handler_setup(hdl);

1
drivers/media/pci/bt8xx/bttvp.h
View File

@ -424,6 +424,7 @@ struct bttv {
unsigned int mute;
unsigned long tv_freq;
unsigned int tvnorm;
v4l2_std_id std;
int hue, contrast, bright, saturation;
struct v4l2_framebuffer fbuf;
unsigned int field_count;