Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit dd9c471d authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Mauro Carvalho Chehab
Browse files

[media] m5mols: Add JPEG compression quality control 



Add JPEG compression quality control for snapshot capture.

Signed-off-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 50d3f93e

drivers/media/video/m5mols/m5mols.h

+2 −0
Original line number Diff line number Diff line
@@ -172,6 +172,7 @@ struct m5mols_version { 
 * @zoom: zoom control

 * @wdr: wide dynamic range control

 * @stabilization: image stabilization control

 * @jpeg_quality: JPEG compression quality control

 * @ver: information of the version

 * @cap: the capture mode attributes

 * @power: current sensor's power status
@@ -213,6 +214,7 @@ struct m5mols_info { 
	struct v4l2_ctrl *zoom;

	struct v4l2_ctrl *wdr;

	struct v4l2_ctrl *stabilization;

	struct v4l2_ctrl *jpeg_quality;



	struct m5mols_version ver;

	struct m5mols_capture cap;

drivers/media/video/m5mols/m5mols_controls.c

+8 −2
Original line number Diff line number Diff line
@@ -492,6 +492,10 @@ static int m5mols_s_ctrl(struct v4l2_ctrl *ctrl) 
	case V4L2_CID_IMAGE_STABILIZATION:

		ret = m5mols_set_stabilization(info, ctrl->val);

		break;



	case V4L2_CID_JPEG_COMPRESSION_QUALITY:

		ret = m5mols_write(sd, CAPP_JPEG_RATIO, ctrl->val);

		break;

	}



	if (ret == 0 && info->mode != last_mode)
@@ -530,8 +534,7 @@ int m5mols_init_controls(struct v4l2_subdev *sd) 
		return ret;



	zoom_step = is_manufacturer(info, REG_SAMSUNG_OPTICS) ? 31 : 1;



	v4l2_ctrl_handler_init(&info->handle, 6);

	v4l2_ctrl_handler_init(&info->handle, 20);



	info->auto_wb = v4l2_ctrl_new_std_menu(&info->handle,

			&m5mols_ctrl_ops, V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
@@ -579,6 +582,9 @@ int m5mols_init_controls(struct v4l2_subdev *sd) 
	info->stabilization = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,

			V4L2_CID_IMAGE_STABILIZATION, 0, 1, 1, 0);



	info->jpeg_quality = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,

			V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, 100, 1, 80);



	if (info->handle.error) {

		int ret = info->handle.error;

		v4l2_err(sd, "Failed to initialize controls: %d\n", ret);

drivers/media/video/m5mols/m5mols_reg.h

+1 −0
Original line number Diff line number Diff line
@@ -310,6 +310,7 @@ 
#define REG_JPEG		0x10



#define CAPP_MAIN_IMAGE_SIZE	I2C_REG(CAT_CAPT_PARM, 0x01, 1)

#define CAPP_JPEG_RATIO		I2C_REG(CAT_CAPT_PARM, 0x17, 1)



#define CAPP_MCC_MODE		I2C_REG(CAT_CAPT_PARM, 0x1d, 1)

#define REG_MCC_OFF		0x00