Some applications are unhappy about getting EINVAL errors for query/set
TV standard operations, especially (or only?) when working over the
v4l1compat.so bridge. This patch adds the appropriate methods to the
gspca driver (claim to support all TV modes, setting TV mode does nothing).
Signed-off-by: Olaf Titz <olaf@xxxxxxxxxxxxxx>
--- a/linux/drivers/media/video/gspca/gspca.c Sat Aug 08 03:28:41 2009
-0300
+++ b/linux/drivers/media/video/gspca/gspca.c Sun Aug 09 22:00:03 2009
+0200
@@ -1249,6 +1249,7 @@
if (input->index != 0)
return -EINVAL;
input->type = V4L2_INPUT_TYPE_CAMERA;
+ input->std = V4L2_STD_ALL;
input->status = gspca_dev->cam.input_flags;
strncpy(input->name, gspca_dev->sd_desc->name,
sizeof input->name);
@@ -1624,6 +1625,17 @@
return ret;
}
+static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
+{
+ *norm = V4L2_STD_UNKNOWN;
+ return 0;
+}
+
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
+{
+ return 0;
+}
+
/*
* wait for a video frame
*
@@ -1958,6 +1970,8 @@
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_streamon = vidioc_streamon,
.vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_std = vidioc_g_std,
+ .vidioc_s_std = vidioc_s_std,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_g_audio = vidioc_g_audio,
--
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