linux-kernel - [PATCH v11 2/5] media: v4l2-ctrls: Reserve controls for ASPEED

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Message-ID: <20221028023554.928-3-jammy_huang@aspeedtech.com>
Date:   Fri, 28 Oct 2022 10:35:51 +0800
From:   Jammy Huang <jammy_huang@...eedtech.com>
To:     <eajames@...ux.ibm.com>, <mchehab@...nel.org>, <joel@....id.au>,
        <andrew@...id.au>, <hverkuil-cisco@...all.nl>,
        <laurent.pinchart@...asonboard.com>, <xavier.roumegue@....nxp.com>,
        <ezequiel@...guardiasur.com.ar>, <stanimir.varbanov@...aro.org>,
        <nicolas.dufresne@...labora.com>, <sakari.ailus@...ux.intel.com>,
        <ming.qian@....com>, <andrzej.p@...labora.com>,
        <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 v11 2/5] 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>
---
v11:
  - no update
v10:
  - no update
v9:
  - Rebase on new kernel
v8:
  - no update
v7:
  - no update
v6:
  - no update
v5:
  - no update
v4:
  - new
---
 include/uapi/linux/v4l2-controls.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index b5e7d082b8ad..60a6bed21c56 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -231,6 +231,12 @@ enum v4l2_colorfx {
  */
 #define V4L2_CID_USER_DW100_BASE		(V4L2_CID_USER_BASE + 0x1190)
 
+/*
+ * The base for Aspeed driver controls.
+ * We reserve 16 controls for this driver.
+ */
+#define V4L2_CID_USER_ASPEED_BASE		(V4L2_CID_USER_BASE + 0x11A0)
+
 /* 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