[PATCH 1/3] TCM825x: Include invertation of image mirroring in configuration

Sakari Ailus
2008-05-14T12:05:56Z

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>
---
drivers/media/video/tcm825x.c | 6 ++++++
drivers/media/video/tcm825x.h | 1 +
2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/media/video/tcm825x.c b/drivers/media/video/tcm825x.c
index e57a646..216638e 100644
--- a/drivers/media/video/tcm825x.c
+++ b/drivers/media/video/tcm825x.c
@@ -523,6 +523,9 @@ static int ioctl_g_ctrl(struct v4l2_int_device *s,
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 @@ static int ioctl_s_ctrl(struct v4l2_int_device *s,
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 @@ struct tcm825x_platform_data {
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
--
1.5.0.6