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path: root/drivers/media/video/uvc/uvc_ctrl.c
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Diffstat (limited to 'drivers/media/video/uvc/uvc_ctrl.c')
-rw-r--r--drivers/media/video/uvc/uvc_ctrl.c187
1 files changed, 159 insertions, 28 deletions
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 6ef3e5297de..f16aafe9cf1 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -83,6 +83,22 @@ static struct uvc_control_info uvc_ctrls[] = {
},
{
.entity = UVC_GUID_UVC_PROCESSING,
+ .selector = PU_WHITE_BALANCE_TEMPERATURE_CONTROL,
+ .index = 6,
+ .size = 2,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_PROCESSING,
+ .selector = PU_WHITE_BALANCE_COMPONENT_CONTROL,
+ .index = 7,
+ .size = 4,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_PROCESSING,
.selector = PU_BACKLIGHT_COMPENSATION_CONTROL,
.index = 8,
.size = 2,
@@ -114,6 +130,60 @@ static struct uvc_control_info uvc_ctrls[] = {
| UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE,
},
{
+ .entity = UVC_GUID_UVC_PROCESSING,
+ .selector = PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL,
+ .index = 12,
+ .size = 1,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
+ | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE,
+ },
+ {
+ .entity = UVC_GUID_UVC_PROCESSING,
+ .selector = PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL,
+ .index = 13,
+ .size = 1,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
+ | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE,
+ },
+ {
+ .entity = UVC_GUID_UVC_PROCESSING,
+ .selector = PU_DIGITAL_MULTIPLIER_CONTROL,
+ .index = 14,
+ .size = 2,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_RESTORE,
+ },
+ {
+ .entity = UVC_GUID_UVC_PROCESSING,
+ .selector = PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL,
+ .index = 15,
+ .size = 2,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_RESTORE,
+ },
+ {
+ .entity = UVC_GUID_UVC_PROCESSING,
+ .selector = PU_ANALOG_VIDEO_STANDARD_CONTROL,
+ .index = 16,
+ .size = 1,
+ .flags = UVC_CONTROL_GET_CUR,
+ },
+ {
+ .entity = UVC_GUID_UVC_PROCESSING,
+ .selector = PU_ANALOG_LOCK_STATUS_CONTROL,
+ .index = 17,
+ .size = 1,
+ .flags = UVC_CONTROL_GET_CUR,
+ },
+ {
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_SCANNING_MODE_CONTROL,
+ .index = 0,
+ .size = 1,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
+ | UVC_CONTROL_RESTORE,
+ },
+ {
.entity = UVC_GUID_UVC_CAMERA,
.selector = CT_AE_MODE_CONTROL,
.index = 1,
@@ -140,6 +210,14 @@ static struct uvc_control_info uvc_ctrls[] = {
},
{
.entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_EXPOSURE_TIME_RELATIVE_CONTROL,
+ .index = 4,
+ .size = 1,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
+ | UVC_CONTROL_RESTORE,
+ },
+ {
+ .entity = UVC_GUID_UVC_CAMERA,
.selector = CT_FOCUS_ABSOLUTE_CONTROL,
.index = 5,
.size = 2,
@@ -148,42 +226,90 @@ static struct uvc_control_info uvc_ctrls[] = {
},
{
.entity = UVC_GUID_UVC_CAMERA,
- .selector = CT_FOCUS_AUTO_CONTROL,
- .index = 17,
- .size = 1,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
- | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE,
+ .selector = CT_FOCUS_RELATIVE_CONTROL,
+ .index = 6,
+ .size = 2,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_AUTO_UPDATE,
},
{
- .entity = UVC_GUID_UVC_PROCESSING,
- .selector = PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL,
- .index = 12,
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_IRIS_ABSOLUTE_CONTROL,
+ .index = 7,
+ .size = 2,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_IRIS_RELATIVE_CONTROL,
+ .index = 8,
.size = 1,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
- | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE,
+ | UVC_CONTROL_AUTO_UPDATE,
},
{
- .entity = UVC_GUID_UVC_PROCESSING,
- .selector = PU_WHITE_BALANCE_TEMPERATURE_CONTROL,
- .index = 6,
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_ZOOM_ABSOLUTE_CONTROL,
+ .index = 9,
.size = 2,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
| UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE,
},
{
- .entity = UVC_GUID_UVC_PROCESSING,
- .selector = PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL,
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_ZOOM_RELATIVE_CONTROL,
+ .index = 10,
+ .size = 3,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_PANTILT_ABSOLUTE_CONTROL,
+ .index = 11,
+ .size = 8,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_PANTILT_RELATIVE_CONTROL,
+ .index = 12,
+ .size = 4,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_ROLL_ABSOLUTE_CONTROL,
.index = 13,
+ .size = 2,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_ROLL_RELATIVE_CONTROL,
+ .index = 14,
+ .size = 2,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ | UVC_CONTROL_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_FOCUS_AUTO_CONTROL,
+ .index = 17,
.size = 1,
.flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
| UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE,
},
{
- .entity = UVC_GUID_UVC_PROCESSING,
- .selector = PU_WHITE_BALANCE_COMPONENT_CONTROL,
- .index = 7,
- .size = 4,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = CT_PRIVACY_CONTROL,
+ .index = 18,
+ .size = 1,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
| UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE,
},
};
@@ -592,7 +718,7 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video,
if (ctrl == NULL)
return -EINVAL;
- data = kmalloc(8, GFP_KERNEL);
+ data = kmalloc(ctrl->info->size, GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
@@ -711,7 +837,17 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
for (i = 0; i < entity->ncontrols; ++i) {
ctrl = &entity->controls[i];
- if (ctrl->info == NULL || !ctrl->dirty)
+ if (ctrl->info == NULL)
+ continue;
+
+ /* Reset the loaded flag for auto-update controls that were
+ * marked as loaded in uvc_ctrl_get/uvc_ctrl_set to prevent
+ * uvc_ctrl_get from using the cached value.
+ */
+ if (ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE)
+ ctrl->loaded = 0;
+
+ if (!ctrl->dirty)
continue;
if (!rollback)
@@ -727,9 +863,6 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
uvc_ctrl_data(ctrl, UVC_CTRL_DATA_BACKUP),
ctrl->info->size);
- if ((ctrl->info->flags & UVC_CONTROL_GET_CUR) == 0)
- ctrl->loaded = 0;
-
ctrl->dirty = 0;
if (ret < 0)
@@ -787,8 +920,7 @@ int uvc_ctrl_get(struct uvc_video_device *video,
if (ret < 0)
return ret;
- if ((ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) == 0)
- ctrl->loaded = 1;
+ ctrl->loaded = 1;
}
xctrl->value = uvc_get_le_value(
@@ -839,8 +971,7 @@ int uvc_ctrl_set(struct uvc_video_device *video,
return ret;
}
- if ((ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) == 0)
- ctrl->loaded = 1;
+ ctrl->loaded = 1;
}
if (!ctrl->dirty) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-20 11:56:37 +0000