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media: mt9m111: add V4L2_CID_TEST_PATTERN control

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The mt9m111 has the test pattern generator features.  This makes use of
it through V4L2_CID_TEST_PATTERN control.

Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@s-opensource.com>
This commit is contained in:
Akinobu Mita 2018-01-03 13:22:47 -05:00 committed by Mauro Carvalho Chehab
parent 6705d55cfe
commit 74e08739c0
1 changed files with 27 additions and 0 deletions
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27
drivers/media/i2c/mt9m111.c
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@ -92,6 +92,7 @@
*/
#define MT9M111_OPER_MODE_CTRL 0x106
#define MT9M111_OUTPUT_FORMAT_CTRL 0x108
#define MT9M111_TPG_CTRL 0x148
#define MT9M111_REDUCER_XZOOM_B 0x1a0
#define MT9M111_REDUCER_XSIZE_B 0x1a1
#define MT9M111_REDUCER_YZOOM_B 0x1a3
@ -124,6 +125,7 @@
#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2)
#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)
/*
* Camera control register addresses (0x200..0x2ff not implemented)
@ -706,6 +708,25 @@ static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on)
return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
}
static const char * const mt9m111_test_pattern_menu[] = {
"Disabled",
"Vertical monochrome gradient",
"Flat color type 1",
"Flat color type 2",
"Flat color type 3",
"Flat color type 4",
"Flat color type 5",
"Color bar",
};
static int mt9m111_set_test_pattern(struct mt9m111 *mt9m111, int val)
{
struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
return mt9m111_reg_mask(client, MT9M111_TPG_CTRL, val,
MT9M111_TPG_SEL_MASK);
}
static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct mt9m111 *mt9m111 = container_of(ctrl->handler,
@ -724,6 +745,8 @@ static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
return mt9m111_set_autoexposure(mt9m111, ctrl->val);
case V4L2_CID_AUTO_WHITE_BALANCE:
return mt9m111_set_autowhitebalance(mt9m111, ctrl->val);
case V4L2_CID_TEST_PATTERN:
return mt9m111_set_test_pattern(mt9m111, ctrl->val);
}
return -EINVAL;
@ -968,6 +991,10 @@ static int mt9m111_probe(struct i2c_client *client,
v4l2_ctrl_new_std_menu(&mt9m111->hdl,
&mt9m111_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0,
V4L2_EXPOSURE_AUTO);
v4l2_ctrl_new_std_menu_items(&mt9m111->hdl,
&mt9m111_ctrl_ops, V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(mt9m111_test_pattern_menu) - 1, 0, 0,
mt9m111_test_pattern_menu);
mt9m111->subdev.ctrl_handler = &mt9m111->hdl;
if (mt9m111->hdl.error) {
ret = mt9m111->hdl.error;