From 180cef835bf40d0081895773aaa637ac926bb0ac Mon Sep 17 00:00:00 2001 From: Marcin Bukat Date: Mon, 5 Nov 2018 13:01:55 +0100 Subject: xDuoo X3II and X20 port Provided by Roman Stolyarov Integration, Refactoring, and Upstreaming by Solomon Peachy X3II confirmed working by forum tester, X20 is nearly identical. This includes bootloader, main firmware, and the flash image patcher. Eventual Todo: * Further refactor AGPTek Rocker & xduoo hiby bootloaders * Further refactor AGPTek Rocker & xduoo hosted platform code Change-Id: I34a674051d368efcc75d1d18c725971fe46c3eee --- firmware/target/hosted/backlight-unix.c | 64 +++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 firmware/target/hosted/backlight-unix.c (limited to 'firmware/target/hosted/backlight-unix.c') diff --git a/firmware/target/hosted/backlight-unix.c b/firmware/target/hosted/backlight-unix.c new file mode 100644 index 0000000000..2f00787f72 --- /dev/null +++ b/firmware/target/hosted/backlight-unix.c @@ -0,0 +1,64 @@ +/*************************************************************************** + * __________ __ ___ + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * + * Copyright (C) 2017 Marcin Bukat + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include +#include +#include +#include +#include +#include +#include +#include "config.h" +#include "backlight-target.h" +#include "sysfs.h" +#include "panic.h" + +static const char * const sysfs_bl_brightness = + "/sys/class/backlight/pwm-backlight.0/brightness"; + +static const char * const sysfs_bl_power = + "/sys/class/backlight/pwm-backlight.0/bl_power"; + +bool backlight_hw_init(void) +{ + backlight_hw_on(); + backlight_hw_brightness(DEFAULT_BRIGHTNESS_SETTING); + return true; +} + +void backlight_hw_on(void) +{ + sysfs_set_int(sysfs_bl_power, 0); +} + +void backlight_hw_off(void) +{ + sysfs_set_int(sysfs_bl_power, 1); +} + +void backlight_hw_brightness(int brightness) +{ + /* cap range, just in case */ + if (brightness > MAX_BRIGHTNESS_SETTING) + brightness = MAX_BRIGHTNESS_SETTING; + if (brightness < MIN_BRIGHTNESS_SETTING) + brightness = MIN_BRIGHTNESS_SETTING; + + sysfs_set_int(sysfs_bl_brightness, brightness); +} -- cgit v1.2.3