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path: root/target/linux/brcm2708/patches-4.1/0161-rpisense-fb-add-low-light-mode-and-gamma-control.patch
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Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0161-rpisense-fb-add-low-light-mode-and-gamma-control.patch')
-rw-r--r--target/linux/brcm2708/patches-4.1/0161-rpisense-fb-add-low-light-mode-and-gamma-control.patch141
1 files changed, 0 insertions, 141 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0161-rpisense-fb-add-low-light-mode-and-gamma-control.patch b/target/linux/brcm2708/patches-4.1/0161-rpisense-fb-add-low-light-mode-and-gamma-control.patch
deleted file mode 100644
index ed17273c6c..0000000000
--- a/target/linux/brcm2708/patches-4.1/0161-rpisense-fb-add-low-light-mode-and-gamma-control.patch
+++ /dev/null
@@ -1,141 +0,0 @@
-From d8e09d724eb21172cd21d2475b619be2f8b4a878 Mon Sep 17 00:00:00 2001
-From: Serge Schneider <serge@raspberrypi.org>
-Date: Mon, 17 Aug 2015 18:06:16 +0100
-Subject: [PATCH 161/222] rpisense-fb: add low-light mode and gamma control
-
----
- drivers/video/fbdev/rpisense-fb.c | 68 +++++++++++++++++++++++++++++---
- include/linux/mfd/rpisense/framebuffer.h | 6 ++-
- 2 files changed, 68 insertions(+), 6 deletions(-)
-
---- a/drivers/video/fbdev/rpisense-fb.c
-+++ b/drivers/video/fbdev/rpisense-fb.c
-@@ -19,6 +19,7 @@
- #include <linux/string.h>
- #include <linux/mm.h>
- #include <linux/slab.h>
-+#include <linux/uaccess.h>
- #include <linux/delay.h>
- #include <linux/fb.h>
- #include <linux/init.h>
-@@ -26,22 +27,35 @@
- #include <linux/mfd/rpisense/framebuffer.h>
- #include <linux/mfd/rpisense/core.h>
-
-+static bool lowlight;
-+module_param(lowlight, bool, 0);
-+MODULE_PARM_DESC(lowlight, "Reduce LED matrix brightness to one third");
-+
- struct rpisense *rpisense;
-
- struct rpisense_fb_param {
- char __iomem *vmem;
- u8 *vmem_work;
- u32 vmemsize;
-- u8 gamma[32];
-+ u8 *gamma;
- };
-
-+static u8 gamma_default[32] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
-+ 0x02, 0x02, 0x03, 0x03, 0x04, 0x05, 0x06, 0x07,
-+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0E, 0x0F, 0x11,
-+ 0x12, 0x14, 0x15, 0x17, 0x19, 0x1B, 0x1D, 0x1F,};
-+
-+static u8 gamma_low[32] = {0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
-+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02,
-+ 0x03, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06,
-+ 0x06, 0x07, 0x07, 0x08, 0x08, 0x09, 0x0A, 0x0A,};
-+
-+static u8 gamma_user[32];
-+
- static struct rpisense_fb_param rpisense_fb_param = {
- .vmem = NULL,
- .vmemsize = 128,
-- .gamma = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
-- 0x02, 0x02, 0x03, 0x03, 0x04, 0x05, 0x06, 0x07,
-- 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0E, 0x0F, 0x11,
-- 0x12, 0x14, 0x15, 0x17, 0x19, 0x1B, 0x1D, 0x1F,},
-+ .gamma = gamma_default,
- };
-
- static struct fb_deferred_io rpisense_fb_defio;
-@@ -127,6 +141,46 @@ static struct fb_deferred_io rpisense_fb
- .deferred_io = rpisense_fb_deferred_io,
- };
-
-+static int rpisense_fb_ioctl(struct fb_info *info, unsigned int cmd,
-+ unsigned long arg)
-+{
-+ switch (cmd) {
-+ case SENSEFB_FBIOGET_GAMMA:
-+ if (copy_to_user((void __user *) arg, rpisense_fb_param.gamma,
-+ sizeof(u8[32])))
-+ return -EFAULT;
-+ return 0;
-+ case SENSEFB_FBIOSET_GAMMA:
-+ if (copy_from_user(gamma_user, (void __user *)arg,
-+ sizeof(u8[32])))
-+ return -EFAULT;
-+ rpisense_fb_param.gamma = gamma_user;
-+ schedule_delayed_work(&info->deferred_work,
-+ rpisense_fb_defio.delay);
-+ return 0;
-+ case SENSEFB_FBIORESET_GAMMA:
-+ switch (arg) {
-+ case 0:
-+ rpisense_fb_param.gamma = gamma_default;
-+ break;
-+ case 1:
-+ rpisense_fb_param.gamma = gamma_low;
-+ break;
-+ case 2:
-+ rpisense_fb_param.gamma = gamma_user;
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+ schedule_delayed_work(&info->deferred_work,
-+ rpisense_fb_defio.delay);
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+ return 0;
-+}
-+
- static struct fb_ops rpisense_fb_ops = {
- .owner = THIS_MODULE,
- .fb_read = fb_sys_read,
-@@ -134,6 +188,7 @@ static struct fb_ops rpisense_fb_ops = {
- .fb_fillrect = rpisense_fb_fillrect,
- .fb_copyarea = rpisense_fb_copyarea,
- .fb_imageblit = rpisense_fb_imageblit,
-+ .fb_ioctl = rpisense_fb_ioctl,
- };
-
- static int rpisense_fb_probe(struct platform_device *pdev)
-@@ -171,6 +226,9 @@ static int rpisense_fb_probe(struct plat
- info->screen_base = rpisense_fb_param.vmem;
- info->screen_size = rpisense_fb_param.vmemsize;
-
-+ if (lowlight)
-+ rpisense_fb_param.gamma = gamma_low;
-+
- fb_deferred_io_init(info);
-
- ret = register_framebuffer(info);
---- a/include/linux/mfd/rpisense/framebuffer.h
-+++ b/include/linux/mfd/rpisense/framebuffer.h
-@@ -16,7 +16,11 @@
- #ifndef __LINUX_RPISENSE_FB_H_
- #define __LINUX_RPISENSE_FB_H_
-
--#include <linux/platform_device.h>
-+#define SENSEFB_FBIO_IOC_MAGIC 0xF1
-+
-+#define SENSEFB_FBIOGET_GAMMA _IO(SENSEFB_FBIO_IOC_MAGIC, 0)
-+#define SENSEFB_FBIOSET_GAMMA _IO(SENSEFB_FBIO_IOC_MAGIC, 1)
-+#define SENSEFB_FBIORESET_GAMMA _IO(SENSEFB_FBIO_IOC_MAGIC, 2)
-
- struct rpisense;
-