mirror of
https://github.com/Ysurac/openmptcprouter.git
synced 2025-03-09 15:40:20 +00:00
70 lines
2.3 KiB
Diff
70 lines
2.3 KiB
Diff
From 44f6d8251a6aa81f99c2c2bd090b65778f0fd3d2 Mon Sep 17 00:00:00 2001
|
|
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
Date: Sun, 16 Oct 2022 09:15:15 +0300
|
|
Subject: [PATCH] media: i2c: imx290: Add exposure time control
|
|
|
|
Upstream commit 827c7e69cb2d.
|
|
|
|
Support configuring the exposure time, which is expressed as the
|
|
complement of the exposure time (frame period minus integration time).
|
|
The frame period is currently fixed.
|
|
|
|
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
Acked-by: Alexander Stein <alexander.stein@ew.tq-group.com>
|
|
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
|
|
---
|
|
drivers/media/i2c/imx290.c | 16 ++++++++++++++--
|
|
1 file changed, 14 insertions(+), 2 deletions(-)
|
|
|
|
--- a/drivers/media/i2c/imx290.c
|
|
+++ b/drivers/media/i2c/imx290.c
|
|
@@ -103,6 +103,8 @@
|
|
#define IMX290_PGCTRL_THRU BIT(1)
|
|
#define IMX290_PGCTRL_MODE(n) ((n) << 4)
|
|
|
|
+#define IMX290_VMAX_DEFAULT 1125
|
|
+
|
|
static const char * const imx290_supply_name[] = {
|
|
"vdda",
|
|
"vddd",
|
|
@@ -176,7 +178,7 @@ static const char * const imx290_test_pa
|
|
|
|
static const struct imx290_regval imx290_global_init_settings[] = {
|
|
{ IMX290_CTRL_07, IMX290_WINMODE_1080P },
|
|
- { IMX290_VMAX, 1125 },
|
|
+ { IMX290_VMAX, IMX290_VMAX_DEFAULT },
|
|
{ IMX290_EXTCK_FREQ, 0x2520 },
|
|
{ IMX290_WINWV_OB, 12 },
|
|
{ IMX290_WINPH, 0 },
|
|
@@ -480,6 +482,12 @@ static int imx290_set_ctrl(struct v4l2_c
|
|
case V4L2_CID_GAIN:
|
|
ret = imx290_write(imx290, IMX290_GAIN, ctrl->val, NULL);
|
|
break;
|
|
+
|
|
+ case V4L2_CID_EXPOSURE:
|
|
+ ret = imx290_write(imx290, IMX290_SHS1,
|
|
+ IMX290_VMAX_DEFAULT - ctrl->val - 1, NULL);
|
|
+ break;
|
|
+
|
|
case V4L2_CID_TEST_PATTERN:
|
|
if (ctrl->val) {
|
|
imx290_write(imx290, IMX290_BLKLEVEL, 0, &ret);
|
|
@@ -1008,12 +1016,16 @@ static int imx290_probe(struct i2c_clien
|
|
*/
|
|
imx290_entity_init_cfg(&imx290->sd, NULL);
|
|
|
|
- v4l2_ctrl_handler_init(&imx290->ctrls, 4);
|
|
+ v4l2_ctrl_handler_init(&imx290->ctrls, 5);
|
|
imx290->ctrls.lock = &imx290->lock;
|
|
|
|
v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
|
|
V4L2_CID_GAIN, 0, 72, 1, 0);
|
|
|
|
+ v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
|
|
+ V4L2_CID_EXPOSURE, 1, IMX290_VMAX_DEFAULT - 2, 1,
|
|
+ IMX290_VMAX_DEFAULT - 2);
|
|
+
|
|
imx290->link_freq =
|
|
v4l2_ctrl_new_int_menu(&imx290->ctrls, &imx290_ctrl_ops,
|
|
V4L2_CID_LINK_FREQ,
|