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authorSylwester Nawrocki <s.nawrocki@samsung.com>2012-02-28 10:29:01 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-05-14 19:34:30 +0200
commitdd9c471dd37c25127236dd36cd1f55c488228cf1 (patch)
treefe764c9175e10678a43f94844a9fd76a0f57f20c
parent[media] m5mols: Add exposure metering control (diff)
downloadlinux-dd9c471dd37c25127236dd36cd1f55c488228cf1.tar.xz
linux-dd9c471dd37c25127236dd36cd1f55c488228cf1.zip
[media] m5mols: Add JPEG compression quality control
Add JPEG compression quality control for snapshot capture. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/m5mols/m5mols.h2
-rw-r--r--drivers/media/video/m5mols/m5mols_controls.c10
-rw-r--r--drivers/media/video/m5mols/m5mols_reg.h1
3 files changed, 11 insertions, 2 deletions
diff --git a/drivers/media/video/m5mols/m5mols.h b/drivers/media/video/m5mols/m5mols.h
index b7834654dc6c..00f8d3162bdc 100644
--- a/drivers/media/video/m5mols/m5mols.h
+++ b/drivers/media/video/m5mols/m5mols.h
@@ -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;
diff --git a/drivers/media/video/m5mols/m5mols_controls.c b/drivers/media/video/m5mols/m5mols_controls.c
index ebc3a904b960..1c3b1e0a7bba 100644
--- a/drivers/media/video/m5mols/m5mols_controls.c
+++ b/drivers/media/video/m5mols/m5mols_controls.c
@@ -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);
diff --git a/drivers/media/video/m5mols/m5mols_reg.h b/drivers/media/video/m5mols/m5mols_reg.h
index ae4aced0f9b2..14d4be72aeff 100644
--- a/drivers/media/video/m5mols/m5mols_reg.h
+++ b/drivers/media/video/m5mols/m5mols_reg.h
@@ -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