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Commit 74e08739 authored by Akinobu Mita's avatar Akinobu Mita Committed by Mauro Carvalho Chehab
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media: mt9m111: add V4L2_CID_TEST_PATTERN control 



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: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 6705d55c

drivers/media/i2c/mt9m111.c

+27 −0
Original line number Diff line number Diff line
@@ -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;