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media: mt9m111: add V4L2_CID_COLORFX control 

The mt9m111 has special camera effects feature.  This makes use of
it through V4L2_CID_COLORFX control.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Akinobu Mita 2018-11-12 11:00:49 -05:00 committed by Mauro Carvalho Chehab
parent 329d9e353d
commit dde64f725a
1 changed files with 36 additions and 1 deletions
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37
drivers/media/i2c/mt9m111.c
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@ -102,6 +102,7 @@
#define MT9M111_REDUCER_XSIZE_A 0x1a7
#define MT9M111_REDUCER_YZOOM_A 0x1a9
#define MT9M111_REDUCER_YSIZE_A 0x1aa
#define MT9M111_EFFECTS_MODE 0x1e2
#define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a
#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b
@ -127,6 +128,7 @@
#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN (1 << 1)
#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B (1 << 0)
#define MT9M111_TPG_SEL_MASK GENMASK(2, 0)
#define MT9M111_EFFECTS_MODE_MASK GENMASK(2, 0)
/*
* Camera control register addresses (0x200..0x2ff not implemented)
@ -727,6 +729,29 @@ static int mt9m111_set_test_pattern(struct mt9m111 *mt9m111, int val)
MT9M111_TPG_SEL_MASK);
}
static int mt9m111_set_colorfx(struct mt9m111 *mt9m111, int val)
{
struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
static const struct v4l2_control colorfx[] = {
{ V4L2_COLORFX_NONE, 0 },
{ V4L2_COLORFX_BW, 1 },
{ V4L2_COLORFX_SEPIA, 2 },
{ V4L2_COLORFX_NEGATIVE, 3 },
{ V4L2_COLORFX_SOLARIZATION, 4 },
};
int i;
for (i = 0; i < ARRAY_SIZE(colorfx); i++) {
if (colorfx[i].id == val) {
return mt9m111_reg_mask(client, MT9M111_EFFECTS_MODE,
colorfx[i].value,
MT9M111_EFFECTS_MODE_MASK);
}
}
return -EINVAL;
}
static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct mt9m111 *mt9m111 = container_of(ctrl->handler,
@ -747,6 +772,8 @@ static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
return mt9m111_set_autowhitebalance(mt9m111, ctrl->val);
case V4L2_CID_TEST_PATTERN:
return mt9m111_set_test_pattern(mt9m111, ctrl->val);
case V4L2_CID_COLORFX:
return mt9m111_set_colorfx(mt9m111, ctrl->val);
}
return -EINVAL;
@ -983,7 +1010,7 @@ static int mt9m111_probe(struct i2c_client *client,
mt9m111->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
v4l2_ctrl_handler_init(&mt9m111->hdl, 5);
v4l2_ctrl_handler_init(&mt9m111->hdl, 7);
v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
@ -999,6 +1026,14 @@ static int mt9m111_probe(struct i2c_client *client,
&mt9m111_ctrl_ops, V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(mt9m111_test_pattern_menu) - 1, 0, 0,
mt9m111_test_pattern_menu);
v4l2_ctrl_new_std_menu(&mt9m111->hdl, &mt9m111_ctrl_ops,
V4L2_CID_COLORFX, V4L2_COLORFX_SOLARIZATION,
~(BIT(V4L2_COLORFX_NONE) |
BIT(V4L2_COLORFX_BW) |
BIT(V4L2_COLORFX_SEPIA) |
BIT(V4L2_COLORFX_NEGATIVE) |
BIT(V4L2_COLORFX_SOLARIZATION)),
V4L2_COLORFX_NONE);
mt9m111->subdev.ctrl_handler = &mt9m111->hdl;
if (mt9m111->hdl.error) {
ret = mt9m111->hdl.error;