linux-kernel - [PATCH v7 2/4] media: v4l2-ctrls: Reserve controls for ASPEED

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Date:   Mon, 20 Dec 2021 10:01:41 +0800
From:   Jammy Huang <jammy_huang@...eedtech.com>
To:     <hverkuil-cisco@...all.nl>, <sakari.ailus@...ux.intel.com>,
        <gregkh@...uxfoundation.org>, <eajames@...ux.ibm.com>,
        <mchehab@...nel.org>, <joel@....id.au>, <andrew@...id.au>,
        <linux-media@...r.kernel.org>, <openbmc@...ts.ozlabs.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v7 2/4] media: v4l2-ctrls: Reserve controls for ASPEED

Reserve controls for ASPEED video family. Aspeed video engine contains a
few features which improve video quality, reduce amount of compressed
data, and etc. Hence, 16 controls are reserved for these aspeed
proprietary features.

Signed-off-by: Jammy Huang <jammy_huang@...eedtech.com>
---
v7:
  - no update
v6:
  - no update
v5:
  - no update
v4:
  - new
---
 include/uapi/linux/v4l2-controls.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index a2669b79b294..e7c425a6fa9f 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -192,6 +192,11 @@ enum v4l2_colorfx {
  * We reserve 16 controls for this driver. */
 #define V4L2_CID_USER_IMX_BASE			(V4L2_CID_USER_BASE + 0x10b0)
 
+/* The base for the aspeed driver controls.
+ * We reserve 16 controls for this driver.
+ */
+#define V4L2_CID_USER_ASPEED_BASE		(V4L2_CID_USER_BASE + 0x10c0)
+
 /* MPEG-class control IDs */
 /* The MPEG controls are applicable to all codec controls
  * and the 'MPEG' part of the define is historical */
-- 
2.25.1