Add V4L2_CID_STROBE_PROVIDER of type menu, which allows
for enumerating of available external flash strobe signal
providers and setting the active one.
Signed-off-by: Jacek Anaszewski <j.anaszew...@samsung.com>
Acked-by: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: Sakari Ailus <sakari.ai...@iki.fi>
Cc: Hans Verkuil <hans.verk...@cisco.com>
---
Documentation/DocBook/media/v4l/controls.xml | 11 +++++++++++
drivers/media/v4l2-core/v4l2-ctrls.c | 2 ++
include/uapi/linux/v4l2-controls.h | 2 ++
3 files changed, 15 insertions(+)
diff --git a/Documentation/DocBook/media/v4l/controls.xml
b/Documentation/DocBook/media/v4l/controls.xml
index 47198ee..d9f6c3f 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -4300,6 +4300,17 @@ interface and may change in the future.</para>
is strobing at the moment or not. This is a read-only
control.</entry>
</row>
+ <row>
+ <entry
spanname="id"><constant>V4L2_CID_FLASH_STROBE_PROVIDER</constant></entry>
+ <entry>menu</entry>
+ </row>
+ <row>
+ <entry spanname="descr">Provider of the external strobe signal. If
a flash
+ device declares more than one available external strobe signal
provider then
+ this control allows to select the active one. &VIDIOC-QUERYCTRL;
has to be
+ used to get the list of available strobe providers.
+ </entry>
+ </row>
<row>
<entry
spanname="id"><constant>V4L2_CID_FLASH_TIMEOUT</constant></entry>
<entry>integer</entry>
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c
b/drivers/media/v4l2-core/v4l2-ctrls.c
index 55c6832..f298f7e 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -825,6 +825,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_FLASH_FAULT: return "Faults";
case V4L2_CID_FLASH_CHARGE: return "Charge";
case V4L2_CID_FLASH_READY: return "Ready to Strobe";
+ case V4L2_CID_FLASH_STROBE_PROVIDER: return "Strobe Provider";
/* JPEG encoder controls */
/* Keep the order of the 'case's the same as in videodev2.h! */
@@ -988,6 +989,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum
v4l2_ctrl_type *type,
case V4L2_CID_TEST_PATTERN:
case V4L2_CID_TUNE_DEEMPHASIS:
case V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL:
+ case V4L2_CID_FLASH_STROBE_PROVIDER:
*type = V4L2_CTRL_TYPE_MENU;
break;
case V4L2_CID_LINK_FREQ:
diff --git a/include/uapi/linux/v4l2-controls.h
b/include/uapi/linux/v4l2-controls.h
index 2ac5597..1f05c7c 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -822,6 +822,8 @@ enum v4l2_flash_strobe_source {
#define V4L2_CID_FLASH_CHARGE (V4L2_CID_FLASH_CLASS_BASE + 11)
#define V4L2_CID_FLASH_READY (V4L2_CID_FLASH_CLASS_BASE + 12)
+#define V4L2_CID_FLASH_STROBE_PROVIDER (V4L2_CID_FLASH_CLASS_BASE + 13)
+
/* JPEG-class control IDs */
--
1.7.9.5
--
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