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

[Sakari Ailus]

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 <[EMAIL PROTECTED]>
---
 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

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