[media] bttv: use centralized std and implement g_std
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>
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 41de79b..46ead7d 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -1716,6 +1716,7 @@
goto err;
}
+ btv->std = *id;
set_tvnorm(btv, i);
err:
@@ -1723,6 +1724,15 @@
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 @@
.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 @@
.fops = &bttv_fops,
.ioctl_ops = &bttv_ioctl_ops,
.tvnorms = BTTV_NORMS,
- .current_norm = V4L2_STD_PAL,
};
/* ----------------------------------------------------------------------- */
@@ -4192,6 +4202,7 @@
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);