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From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: linux-media@vger.kernel.org
Cc: hverkuil@xs4all.nl, tfiga@chromium.org, bingbu.cao@intel.com,
	jian.xu.zheng@intel.com, rajmohan.mani@intel.com,
	tian.shu.qiu@intel.com, ricardo.ribalda@gmail.com,
	grundler@chromium.org, ping-chung.chen@intel.com,
	andy.yeh@intel.com, jim.lai@intel.com, helmut.grohne@intenta.de,
	laurent.pinchart@ideasonboard.com, snawrocki@kernel.org
Subject: [PATCH 4/5] v4l: controls: QUERY_EXT_CTRL support for base, prefix and unit
Date: Tue, 25 Sep 2018 13:14:33 +0300	[thread overview]
Message-ID: <20180925101434.20327-5-sakari.ailus@linux.intel.com> (raw)
In-Reply-To: <20180925101434.20327-1-sakari.ailus@linux.intel.com>

Add support for conveying the information set by the driver to the user
space.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/v4l2-core/v4l2-ctrls.c | 3 +++
 include/media/v4l2-ctrls.h           | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index ee006d34c19f0..8d2931b0a4701 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -2732,6 +2732,9 @@ int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_query_ext_ctr
 	qc->minimum = ctrl->minimum;
 	qc->maximum = ctrl->maximum;
 	qc->default_value = ctrl->default_value;
+	qc->base = ctrl->base;
+	qc->prefix = ctrl->prefix;
+	qc->unit = ctrl->unit;
 	if (ctrl->type == V4L2_CTRL_TYPE_MENU
 	    || ctrl->type == V4L2_CTRL_TYPE_INTEGER_MENU)
 		qc->step = 1;
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index f615ba1b29dd9..d6aaf45b70381 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -220,6 +220,8 @@ struct v4l2_ctrl {
 	u32 elem_size;
 	u32 dims[V4L2_CTRL_MAX_DIMS];
 	u32 nr_of_dims;
+	u8 base, unit;
+	u16 prefix;
 	union {
 		u64 step;
 		u64 menu_skip_mask;
-- 
2.11.0

  parent reply	other threads:[~2018-09-25 16:25 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-25 10:14 [PATCH 0/5] Add units to controls Sakari Ailus
2018-09-25 10:14 ` [PATCH 1/5] videodev2.h: Use 8 hexadecimals (32 bits) for control flags Sakari Ailus
2018-09-28 13:16   ` Laurent Pinchart
2018-09-28 13:48   ` Hans Verkuil
2018-09-25 10:14 ` [PATCH 2/5] v4l: controls: Add support for exponential bases, prefixes and units Sakari Ailus
2018-09-28 14:00   ` Hans Verkuil
2018-10-01  9:27     ` Helmut Grohne
2018-10-01  9:48       ` Hans Verkuil
2018-11-14  9:09     ` Tomasz Figa
2018-10-14  6:14   ` Pavel Machek
2018-09-25 10:14 ` [PATCH 3/5] Documentation: media: Document control exponential bases, units, prefixes Sakari Ailus
2018-09-25 10:39   ` Helmut Grohne
2018-09-25 10:51     ` Sakari Ailus
2018-09-28 14:20   ` Hans Verkuil
2018-09-25 10:14 ` Sakari Ailus [this message]
2018-09-26 22:40   ` [PATCH 4/5] v4l: controls: QUERY_EXT_CTRL support for base, prefix and unit kbuild test robot
2018-09-28 14:23   ` Hans Verkuil
2018-09-25 10:14 ` [PATCH 5/5] smiapp: Set control units Sakari Ailus
2018-09-28 14:28   ` Hans Verkuil
2018-09-25 11:48 ` [PATCH 0/5] Add units to controls Helmut Grohne
2018-09-25 12:30   ` Sakari Ailus
2018-09-26 10:24     ` Helmut Grohne
2018-09-28 13:25     ` Laurent Pinchart
2018-09-28 14:36       ` Hans Verkuil
2018-10-03  9:15     ` Tomasz Figa

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