brcm2708: update to latest patches from RPi foundation

[openwrt/staging/dedeckeh.git] / target / linux / brcm2708 / patches-4.19 / 950-0691-v4l2-Add-a-Greyworld-AWB-mode.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0691-v4l2-Add-a-Greyworld-AWB-mode.patch b/target/linux/brcm2708/patches-4.19/950-0691-v4l2-Add-a-Greyworld-AWB-mode.patch
new file mode 100644 (file)
index 0000000..aca9837
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0691-v4l2-Add-a-Greyworld-AWB-mode.patch
@@ -0,0 +1,34 @@
+From c8f63d006ff5f84ad629f4c06cdc9fee34fdfe3d Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Fri, 6 Sep 2019 15:04:51 +0100
+Subject: [PATCH] v4l2: Add a Greyworld AWB mode.
+
+Adds a simple greyworld white balance preset, mainly for use
+with cameras without an IR filter (eg Raspberry Pi NoIR)
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/media/v4l2-core/v4l2-ctrls.c | 1 +
+ include/uapi/linux/v4l2-controls.h   | 1 +
+ 2 files changed, 2 insertions(+)
+
+--- a/drivers/media/v4l2-core/v4l2-ctrls.c
++++ b/drivers/media/v4l2-core/v4l2-ctrls.c
+@@ -275,6 +275,7 @@ const char * const *v4l2_ctrl_get_menu(u
+               "Flash",
+               "Cloudy",
+               "Shade",
++              "Greyworld",
+               NULL,
+       };
+       static const char * const camera_iso_sensitivity_auto[] = {
+--- a/include/uapi/linux/v4l2-controls.h
++++ b/include/uapi/linux/v4l2-controls.h
+@@ -815,6 +815,7 @@ enum v4l2_auto_n_preset_white_balance {
+       V4L2_WHITE_BALANCE_FLASH                = 7,
+       V4L2_WHITE_BALANCE_CLOUDY               = 8,
+       V4L2_WHITE_BALANCE_SHADE                = 9,
++      V4L2_WHITE_BALANCE_GREYWORLD            = 10,
+ };
+ 
+ #define V4L2_CID_WIDE_DYNAMIC_RANGE           (V4L2_CID_CAMERA_CLASS_BASE+21)