V4L/DVB (7897): TCM825x: Include invertation of image mirroring in configuration
Add invertation of image mirroring register bits to default
configuration.
This is useful when the camera module is e.g. mounted upside down.
Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tcm825x.c b/drivers/media/video/tcm825x.c
index 8f0100f..29991d1 100644
--- a/drivers/media/video/tcm825x.c
+++ b/drivers/media/video/tcm825x.c
@@ -523,6 +523,9 @@
if (val < 0)
return val;
+ if (vc->id == V4L2_CID_HFLIP || vc->id == V4L2_CID_VFLIP)
+ val ^= sensor->platform_data->is_upside_down();
+
vc->value = val;
return 0;
}
@@ -556,6 +559,9 @@
if (lvc == NULL)
return -EINVAL;
+ if (vc->id == V4L2_CID_HFLIP || vc->id == V4L2_CID_VFLIP)
+ val ^= sensor->platform_data->is_upside_down();
+
val = val << lvc->start_bit;
if (tcm825x_write_reg_mask(client, lvc->reg, val))
return -EIO;
diff --git a/drivers/media/video/tcm825x.h b/drivers/media/video/tcm825x.h
index 966765b..770ebac 100644
--- a/drivers/media/video/tcm825x.h
+++ b/drivers/media/video/tcm825x.h
@@ -182,6 +182,7 @@
int (*needs_reset)(struct v4l2_int_device *s, void *buf,
struct v4l2_pix_format *fmt);
int (*ifparm)(struct v4l2_ifparm *p);
+ int (*is_upside_down)(void);
};
/* Array of image sizes supported by TCM825X. These must be ordered from