diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2020-09-25 10:30:32 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-01-12 17:32:15 +0100 |
| commit | 33039a8880710199007621be38dc8f498a0cd5ca (patch) | |
| tree | f5e0663d50cd5f916afc8374a034e2f4dfd16f5f /drivers/media/i2c | |
| parent | 7c0ed600f04d247cbb4c4030d87a8d36b12d44a4 (diff) | |
| download | linux-33039a8880710199007621be38dc8f498a0cd5ca.tar.bz2 | |
media: ccs: Add shading correction and luminance correction level controls
Add controls for supporting lens shading correction, including colour
shading and luminance correction level.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-core.c | 46 | ||||
| -rw-r--r-- | drivers/media/i2c/ccs/ccs.h | 1 |
2 files changed, 47 insertions, 0 deletions
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 7591a52a41a4..12c30fb0f37a 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -757,6 +757,19 @@ static int ccs_set_ctrl(struct v4l2_ctrl *ctrl) rval = ccs_write(sensor, TEST_DATA_GREENB, ctrl->val); break; + case V4L2_CID_CCS_SHADING_CORRECTION: + rval = ccs_write(sensor, SHADING_CORRECTION_EN, + ctrl->val ? CCS_SHADING_CORRECTION_EN_ENABLE : + 0); + + if (!rval && sensor->luminance_level) + v4l2_ctrl_activate(sensor->luminance_level, ctrl->val); + + break; + case V4L2_CID_CCS_LUMINANCE_CORRECTION_LEVEL: + rval = ccs_write(sensor, LUMINANCE_CORRECTION_LEVEL, ctrl->val); + + break; case V4L2_CID_PIXEL_RATE: /* For v4l2_ctrl_s_ctrl_int64() used internally. */ rval = 0; @@ -877,6 +890,39 @@ static int ccs_init_controls(struct ccs_sensor *sensor) } } + if (CCS_LIM(sensor, SHADING_CORRECTION_CAPABILITY) & + (CCS_SHADING_CORRECTION_CAPABILITY_COLOR_SHADING | + CCS_SHADING_CORRECTION_CAPABILITY_LUMINANCE_CORRECTION)) { + const struct v4l2_ctrl_config ctrl_cfg = { + .name = "Shading Correction", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .id = V4L2_CID_CCS_SHADING_CORRECTION, + .ops = &ccs_ctrl_ops, + .max = 1, + .step = 1, + }; + + v4l2_ctrl_new_custom(&sensor->pixel_array->ctrl_handler, + &ctrl_cfg, NULL); + } + + if (CCS_LIM(sensor, SHADING_CORRECTION_CAPABILITY) & + CCS_SHADING_CORRECTION_CAPABILITY_LUMINANCE_CORRECTION) { + const struct v4l2_ctrl_config ctrl_cfg = { + .name = "Luminance Correction Level", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .id = V4L2_CID_CCS_LUMINANCE_CORRECTION_LEVEL, + .ops = &ccs_ctrl_ops, + .max = 255, + .step = 1, + .def = 128, + }; + + sensor->luminance_level = + v4l2_ctrl_new_custom(&sensor->pixel_array->ctrl_handler, + &ctrl_cfg, NULL); + } + if (CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == CCS_DIGITAL_GAIN_CAPABILITY_GLOBAL || CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == diff --git a/drivers/media/i2c/ccs/ccs.h b/drivers/media/i2c/ccs/ccs.h index 9fc3333f6c4e..cc33c9ba3165 100644 --- a/drivers/media/i2c/ccs/ccs.h +++ b/drivers/media/i2c/ccs/ccs.h @@ -268,6 +268,7 @@ struct ccs_sensor { struct v4l2_ctrl *vblank; struct v4l2_ctrl *hblank; struct v4l2_ctrl *pixel_rate_parray; + struct v4l2_ctrl *luminance_level; /* src controls */ struct v4l2_ctrl *link_freq; struct v4l2_ctrl *pixel_rate_csi; |