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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.c50
1 files changed, 38 insertions, 12 deletions
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 6d3850b37161..aa0720af07a0 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -217,8 +217,7 @@ static struct uvc_control_info uvc_ctrls[] = {
.selector = UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL,
.index = 4,
.size = 1,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
- | UVC_CONTROL_RESTORE,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_RESTORE,
},
{
.entity = UVC_GUID_UVC_CAMERA,
@@ -233,8 +232,9 @@ static struct uvc_control_info uvc_ctrls[] = {
.selector = UVC_CT_FOCUS_RELATIVE_CONTROL,
.index = 6,
.size = 2,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
- | UVC_CONTROL_AUTO_UPDATE,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_MIN
+ | UVC_CONTROL_GET_MAX | UVC_CONTROL_GET_RES
+ | UVC_CONTROL_GET_DEF | UVC_CONTROL_AUTO_UPDATE,
},
{
.entity = UVC_GUID_UVC_CAMERA,
@@ -249,8 +249,7 @@ static struct uvc_control_info uvc_ctrls[] = {
.selector = UVC_CT_IRIS_RELATIVE_CONTROL,
.index = 8,
.size = 1,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
- | UVC_CONTROL_AUTO_UPDATE,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_AUTO_UPDATE,
},
{
.entity = UVC_GUID_UVC_CAMERA,
@@ -265,8 +264,9 @@ static struct uvc_control_info uvc_ctrls[] = {
.selector = UVC_CT_ZOOM_RELATIVE_CONTROL,
.index = 10,
.size = 3,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
- | UVC_CONTROL_AUTO_UPDATE,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_MIN
+ | UVC_CONTROL_GET_MAX | UVC_CONTROL_GET_RES
+ | UVC_CONTROL_GET_DEF | UVC_CONTROL_AUTO_UPDATE,
},
{
.entity = UVC_GUID_UVC_CAMERA,
@@ -281,8 +281,9 @@ static struct uvc_control_info uvc_ctrls[] = {
.selector = UVC_CT_PANTILT_RELATIVE_CONTROL,
.index = 12,
.size = 4,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
- | UVC_CONTROL_AUTO_UPDATE,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_MIN
+ | UVC_CONTROL_GET_MAX | UVC_CONTROL_GET_RES
+ | UVC_CONTROL_GET_DEF | UVC_CONTROL_AUTO_UPDATE,
},
{
.entity = UVC_GUID_UVC_CAMERA,
@@ -297,8 +298,9 @@ static struct uvc_control_info uvc_ctrls[] = {
.selector = UVC_CT_ROLL_RELATIVE_CONTROL,
.index = 14,
.size = 2,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
- | UVC_CONTROL_AUTO_UPDATE,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_MIN
+ | UVC_CONTROL_GET_MAX | UVC_CONTROL_GET_RES
+ | UVC_CONTROL_GET_DEF | UVC_CONTROL_AUTO_UPDATE,
},
{
.entity = UVC_GUID_UVC_CAMERA,
@@ -562,6 +564,26 @@ static struct uvc_control_mapping uvc_ctrl_mappings[] = {
.data_type = UVC_CTRL_DATA_TYPE_BOOLEAN,
},
{
+ .id = V4L2_CID_IRIS_ABSOLUTE,
+ .name = "Iris, Absolute",
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = UVC_CT_IRIS_ABSOLUTE_CONTROL,
+ .size = 16,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_IRIS_RELATIVE,
+ .name = "Iris, Relative",
+ .entity = UVC_GUID_UVC_CAMERA,
+ .selector = UVC_CT_IRIS_RELATIVE_CONTROL,
+ .size = 8,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_SIGNED,
+ },
+ {
.id = V4L2_CID_ZOOM_ABSOLUTE,
.name = "Zoom, Absolute",
.entity = UVC_GUID_UVC_CAMERA,
@@ -822,6 +844,8 @@ int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,
strlcpy(v4l2_ctrl->name, mapping->name, sizeof v4l2_ctrl->name);
v4l2_ctrl->flags = 0;
+ if (!(ctrl->info->flags & UVC_CONTROL_GET_CUR))
+ v4l2_ctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
if (!(ctrl->info->flags & UVC_CONTROL_SET_CUR))
v4l2_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
@@ -1047,6 +1071,8 @@ int uvc_ctrl_set(struct uvc_video_chain *chain,
uvc_ctrl_data(ctrl, UVC_CTRL_DATA_MAX));
step = mapping->get(mapping, UVC_GET_RES,
uvc_ctrl_data(ctrl, UVC_CTRL_DATA_RES));
+ if (step == 0)
+ step = 1;
xctrl->value = min + (xctrl->value - min + step/2) / step * step;
xctrl->value = clamp(xctrl->value, min, max);