diff options
| author | Ricardo Ribalda <ribalda@chromium.org> | 2025-08-18 20:15:39 +0000 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2025-09-13 18:35:02 +0200 |
| commit | 0f99b8bed426b8f5434b10c3f6f6b92d7ce3c467 (patch) | |
| tree | c7967fa8898b0230cf3d72b9fd40198274b601e5 | |
| parent | 04ddfcdb711d94d05a5b4c8a8c3f9c283bbb518a (diff) | |
media: uvcvideo: Support UVC_CROSXU_CONTROL_IQ_PROFILE
The ChromeOS XU provides a control to change the IQ profile for a camera.
It can be switched from VIVID (a.k.a. standard) to NONE (a.k.a. natural).
Wire it up to the standard v4l2 control.
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
| -rw-r--r-- | drivers/media/usb/uvc/uvc_ctrl.c | 34 | ||||
| -rw-r--r-- | include/linux/usb/uvc.h | 5 |
2 files changed, 39 insertions, 0 deletions
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 277209ee40c1..2905505c240c 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -376,6 +376,15 @@ static const struct uvc_control_info uvc_ctrls[] = { | UVC_CTRL_FLAG_GET_DEF | UVC_CTRL_FLAG_AUTO_UPDATE, }, + { + .entity = UVC_GUID_CHROMEOS_XU, + .selector = UVC_CROSXU_CONTROL_IQ_PROFILE, + .index = 3, + .size = 1, + .flags = UVC_CTRL_FLAG_SET_CUR + | UVC_CTRL_FLAG_GET_RANGE + | UVC_CTRL_FLAG_RESTORE, + }, }; static const u32 uvc_control_classes[] = { @@ -384,6 +393,19 @@ static const u32 uvc_control_classes[] = { }; static const int exposure_auto_mapping[] = { 2, 1, 4, 8 }; +static const int cros_colorfx_mapping[] = { + 1, /* V4L2_COLORFX_NONE */ + -1, /* V4L2_COLORFX_BW */ + -1, /* V4L2_COLORFX_SEPIA */ + -1, /* V4L2_COLORFX_NEGATIVE */ + -1, /* V4L2_COLORFX_EMBOSS */ + -1, /* V4L2_COLORFX_SKETCH */ + -1, /* V4L2_COLORFX_SKY_BLUE */ + -1, /* V4L2_COLORFX_GRASS_GREEN */ + -1, /* V4L2_COLORFX_SKIN_WHITEN */ + 0, /* V4L2_COLORFX_VIVID */ +}; + static bool uvc_ctrl_mapping_is_compound(struct uvc_control_mapping *mapping) { @@ -975,6 +997,18 @@ static const struct uvc_control_mapping uvc_ctrl_mappings[] = { .data_type = UVC_CTRL_DATA_TYPE_BITMASK, .name = "Region of Interest Auto Ctrls", }, + { + .id = V4L2_CID_COLORFX, + .entity = UVC_GUID_CHROMEOS_XU, + .selector = UVC_CROSXU_CONTROL_IQ_PROFILE, + .size = 8, + .offset = 0, + .v4l2_type = V4L2_CTRL_TYPE_MENU, + .data_type = UVC_CTRL_DATA_TYPE_ENUM, + .menu_mapping = cros_colorfx_mapping, + .menu_mask = BIT(V4L2_COLORFX_VIVID) | + BIT(V4L2_COLORFX_NONE), + }, }; /* ------------------------------------------------------------------------ diff --git a/include/linux/usb/uvc.h b/include/linux/usb/uvc.h index 12a57e1d3467..22e0dab0809e 100644 --- a/include/linux/usb/uvc.h +++ b/include/linux/usb/uvc.h @@ -29,6 +29,9 @@ #define UVC_GUID_EXT_GPIO_CONTROLLER \ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03} +#define UVC_GUID_CHROMEOS_XU \ + {0x24, 0xe9, 0xd7, 0x74, 0xc9, 0x49, 0x45, 0x4a, \ + 0x98, 0xa3, 0xc8, 0x07, 0x7e, 0x05, 0x1c, 0xa3} #define UVC_GUID_MSXU_1_5 \ {0xdc, 0x95, 0x3f, 0x0f, 0x32, 0x26, 0x4e, 0x4c, \ 0x92, 0xc9, 0xa0, 0x47, 0x82, 0xf4, 0x3b, 0xc8} @@ -50,6 +53,8 @@ #define UVC_MSXU_CONTROL_FIELDOFVIEW2_CONFIG 0x0f #define UVC_MSXU_CONTROL_FIELDOFVIEW2 0x10 +#define UVC_CROSXU_CONTROL_IQ_PROFILE 0x04 + #define UVC_GUID_FORMAT_MJPEG \ { 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} |