Add support to the SQ-905 driver to pass back to user space the
sensor orientation information obtained from the camera during init.
Modifies gspca and the videodev2.h header to create the necessary
API.
Signed-off-by: Adam Baker <li...@baker-net.org.uk>
---
diff -r d8d701594f71 linux/drivers/media/video/gspca/gspca.c
--- a/linux/drivers/media/video/gspca/gspca.c Sun Mar 29 08:45:36 2009 +0200
+++ b/linux/drivers/media/video/gspca/gspca.c Sun Mar 29 23:00:08 2009 +0100
@@ -1147,6 +1147,7 @@
if (input->index != 0)
return -EINVAL;
input->type = V4L2_INPUT_TYPE_CAMERA;
+ input->status = gspca_dev->cam.input_flags;
strncpy(input->name, gspca_dev->sd_desc->name,
sizeof input->name);
return 0;
diff -r d8d701594f71 linux/drivers/media/video/gspca/gspca.h
--- a/linux/drivers/media/video/gspca/gspca.h Sun Mar 29 08:45:36 2009 +0200
+++ b/linux/drivers/media/video/gspca/gspca.h Sun Mar 29 23:00:08 2009 +0100
@@ -56,6 +56,7 @@
* - cannot be > MAX_NURBS
* - when 0 and bulk_size != 0 means
* 1 URB and submit done by subdriver */
+ u32 input_flags; /* value for ENUM_INPUT status flags */
};
struct gspca_dev;
diff -r d8d701594f71 linux/drivers/media/video/gspca/sq905.c
--- a/linux/drivers/media/video/gspca/sq905.c Sun Mar 29 08:45:36 2009 +0200
+++ b/linux/drivers/media/video/gspca/sq905.c Sun Mar 29 23:00:08 2009 +0100
@@ -360,6 +360,12 @@
gspca_dev->cam.nmodes = ARRAY_SIZE(sq905_mode);
if (!(ident & SQ905_HIRES_MASK))
gspca_dev->cam.nmodes--;
+
+ if (ident & SQ905_ORIENTATION_MASK)
+ gspca_dev->cam.input_flags = V4L2_IN_ST_VFLIP;
+ else
+ gspca_dev->cam.input_flags = V4L2_IN_ST_VFLIP |
+ V4L2_IN_ST_HFLIP;
return 0;
}
diff -r d8d701594f71 linux/include/linux/videodev2.h
--- a/linux/include/linux/videodev2.h Sun Mar 29 08:45:36 2009 +0200
+++ b/linux/include/linux/videodev2.h Sun Mar 29 23:00:08 2009 +0100
@@ -737,6 +737,11 @@
#define V4L2_IN_ST_NO_SIGNAL 0x00000002
#define V4L2_IN_ST_NO_COLOR 0x00000004
+/* field 'status' - sensor orientation */
+/* If sensor is mounted upside down set both bits */
+#define V4L2_IN_ST_HFLIP 0x00000010 /* Output is flipped horizontally
*/
+#define V4L2_IN_ST_VFLIP 0x00000020 /* Output is flipped vertically */
+
/* field 'status' - analog */
#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
--
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