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authorMauro Carvalho Chehab <mchehab@redhat.com>2009-08-07 01:09:54 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-08-07 01:09:54 -0300
commit124a5014e044c9b27016719a40c1dcf0b77210bd (patch)
treedb0dfaefd399347633461b287a4e02c399176505
parent4eec1f6fb9e9c0c57fac129490eadead77179246 (diff)
downloadmediapointer-dvb-s2-124a5014e044c9b27016719a40c1dcf0b77210bd.tar.gz
mediapointer-dvb-s2-124a5014e044c9b27016719a40c1dcf0b77210bd.tar.bz2
m9v011: add vflip/hflip controls to control mirror/upside down
From: Mauro Carvalho Chehab <mchehab@redhat.com> Priority: normal Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--linux/drivers/media/video/mt9v011.c53
1 files changed, 51 insertions, 2 deletions
diff --git a/linux/drivers/media/video/mt9v011.c b/linux/drivers/media/video/mt9v011.c
index a76d02d40..70d359d84 100644
--- a/linux/drivers/media/video/mt9v011.c
+++ b/linux/drivers/media/video/mt9v011.c
@@ -62,13 +62,34 @@ static struct v4l2_queryctrl mt9v011_qctrl[] = {
.step = 1,
.default_value = 0,
.flags = 0,
- },
+ }, {
+ .id = V4L2_CID_HFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Mirror",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0,
+ .flags = 0,
+ }, {
+ .id = V4L2_CID_VFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Vflip",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0,
+ .flags = 0,
+ }, {
+ }
};
struct mt9v011 {
struct v4l2_subdev sd;
unsigned width, height;
unsigned xtal;
+ unsigned hflip:1;
+ unsigned vflip:1;
u16 global_gain, red_bal, blue_bal;
};
@@ -141,7 +162,6 @@ static const struct i2c_reg_value mt9v011_init_default[] = {
{ R0A_MT9V011_CLK_SPEED, 0x0000 },
{ R1E_MT9V011_DIGITAL_ZOOM, 0x0000 },
- { R20_MT9V011_READ_MODE, 0x1000 },
{ R07_MT9V011_OUT_CTRL, 0x0002 }, /* chip enable */
};
@@ -265,6 +285,20 @@ static void set_res(struct v4l2_subdev *sd)
calc_fps(sd, NULL, NULL);
};
+static void set_read_mode(struct v4l2_subdev *sd)
+{
+ struct mt9v011 *core = to_mt9v011(sd);
+ unsigned mode = 0x1000;
+
+ if (core->hflip)
+ mode |= 0x4000;
+
+ if (core->vflip)
+ mode |= 0x8000;
+
+ mt9v011_write(sd, R20_MT9V011_READ_MODE, mode);
+}
+
static int mt9v011_reset(struct v4l2_subdev *sd, u32 val)
{
int i;
@@ -275,6 +309,7 @@ static int mt9v011_reset(struct v4l2_subdev *sd, u32 val)
set_balance(sd);
set_res(sd);
+ set_read_mode(sd);
return 0;
};
@@ -295,6 +330,12 @@ static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
case V4L2_CID_BLUE_BALANCE:
ctrl->value = core->blue_bal;
return 0;
+ case V4L2_CID_HFLIP:
+ ctrl->value = core->hflip ? 1 : 0;
+ return 0;
+ case V4L2_CID_VFLIP:
+ ctrl->value = core->vflip ? 1 : 0;
+ return 0;
}
return -EINVAL;
}
@@ -343,6 +384,14 @@ static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
case V4L2_CID_BLUE_BALANCE:
core->blue_bal = ctrl->value;
break;
+ case V4L2_CID_HFLIP:
+ core->hflip = ctrl->value;
+ set_read_mode(sd);
+ return 0;
+ case V4L2_CID_VFLIP:
+ core->vflip = ctrl->value;
+ set_read_mode(sd);
+ return 0;
default:
return -EINVAL;
}