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 <[email protected]> --- diff -r 1248509d8bed linux/drivers/media/video/gspca/gspca.c --- a/linux/drivers/media/video/gspca/gspca.c Sat Mar 14 08:44:42 2009 +0100 +++ b/linux/drivers/media/video/gspca/gspca.c Sun Mar 15 22:25:34 2009 +0000 @@ -1147,6 +1147,7 @@ static int vidioc_enum_input(struct file if (input->index != 0) return -EINVAL; input->type = V4L2_INPUT_TYPE_CAMERA; + input->status = gspca_dev->input_flags; strncpy(input->name, gspca_dev->sd_desc->name, sizeof input->name); return 0; diff -r 1248509d8bed linux/drivers/media/video/gspca/gspca.h --- a/linux/drivers/media/video/gspca/gspca.h Sat Mar 14 08:44:42 2009 +0100 +++ b/linux/drivers/media/video/gspca/gspca.h Sun Mar 15 22:25:34 2009 +0000 @@ -168,6 +168,7 @@ struct gspca_dev { __u8 alt; /* USB alternate setting */ __u8 nbalt; /* number of USB alternate settings */ u8 bulk; /* image transfer by 0:isoc / 1:bulk */ + u32 input_flags; /* value for ENUM_INPUT status flags */ }; int gspca_dev_probe(struct usb_interface *intf, diff -r 1248509d8bed linux/drivers/media/video/gspca/sq905.c --- a/linux/drivers/media/video/gspca/sq905.c Sat Mar 14 08:44:42 2009 +0100 +++ b/linux/drivers/media/video/gspca/sq905.c Sun Mar 15 22:25:34 2009 +0000 @@ -357,6 +357,12 @@ static int sd_init(struct gspca_dev *gsp gspca_dev->cam.nmodes = ARRAY_SIZE(sq905_mode); if (!(ident & SQ905_HIRES_MASK)) gspca_dev->cam.nmodes--; + + if (ident & SQ905_ORIENTATION_MASK) + gspca_dev->input_flags = V4L2_IN_ST_VFLIP; + else + gspca_dev->input_flags = V4L2_IN_ST_VFLIP | + V4L2_IN_ST_HFLIP; return 0; } diff -r 1248509d8bed linux/include/linux/videodev2.h --- a/linux/include/linux/videodev2.h Sat Mar 14 08:44:42 2009 +0100 +++ b/linux/include/linux/videodev2.h Sun Mar 15 22:25:34 2009 +0000 @@ -736,6 +736,11 @@ struct v4l2_input { #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 */ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
