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>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/media/video/tcm825x.c b/drivers/media/video/tcm825x.c
index 8f0100f67a91..29991d1cf13e 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;