From 34cb61693e204897a6ae37d56a1e07d0cdd8cdbf Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Tue, 13 May 2008 09:21:06 -0300 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tcm825x.c | 6 ++++++ drivers/media/video/tcm825x.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/media/video/tcm825x.c b/drivers/media/video/tcm825x.c index 8f0100f67a..29991d1cf1 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 966765b66b..770ebacfa3 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 -- 2.39.5