From e39df3c673f8e8bfa359fca6712832cdc2a2dc31 Mon Sep 17 00:00:00 2001
From: Shunqian Zheng <zhengsq@rock-chips.com>
Date: Sat, 24 Feb 2018 11:10:36 +0800
Subject: [PATCH] BACKPORT: FROMLIST: media: Add controls for jpeg quantization tables

Add V4L2_CID_JPEG_LUMA/CHROMA_QUANTIZATION controls to allow userspace
configure the JPEG quantization tables.

Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>

(am from https://patchwork.linuxtv.org/patch/51341/)
Skip /Documentation/media/uapi/v4l/extended-controls.rst

BUG=none
TEST=none

Signed-off-by: Moja Hsu <mojahsu@chromium.org>
Change-Id: I32596278311e80bc5f7f15b69913707d2c49c98c
---

diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 719ff13..5fe245b 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -882,6 +882,9 @@
 #define	V4L2_JPEG_ACTIVE_MARKER_DQT		(1 << 17)
 #define	V4L2_JPEG_ACTIVE_MARKER_DHT		(1 << 18)

+#define V4L2_CID_JPEG_LUMA_QUANTIZATION	(V4L2_CID_JPEG_CLASS_BASE + 5)
+#define V4L2_CID_JPEG_CHROMA_QUANTIZATION	(V4L2_CID_JPEG_CLASS_BASE + 6)
+

 /* Image source controls */
 #define V4L2_CID_IMAGE_SOURCE_CLASS_BASE	(V4L2_CTRL_CLASS_IMAGE_SOURCE | 0x900)