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libtriple: implement option to keep LCD backlight on in standby

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Based on an idea by Kim Danielmeier, keep the backlight on if
TRIPLE_LCDBACKLIGHT environment variable is set.


Origin commit data
------------------
Branch: master
Commit: 137948804b
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2012-03-04 (Sun, 04 Mar 2012)



------------------
This commit was generated by Migit
This commit is contained in:
Stefan Seyfried
2012-03-04 17:48:41 +01:00
parent 2e5ca871de
commit 05baaca9da
2 changed files with 17 additions and 1 deletions
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13
libtriple/pwrmngr.cpp
View File

@@ -1,4 +1,5 @@
#include <stdio.h>
#include <cstdlib>
#include "pwrmngr.h"
#include "lt_debug.h"
@@ -9,8 +10,10 @@
#include <sys/types.h>
#include <avs/avs_inf.h>
#include <tdpanel/lcdstuff.h>
#define lt_debug(args...) _lt_debug(TRIPLE_DEBUG_PWRMNGR, this, args)
#define lt_info(args...) _lt_info(TRIPLE_DEBUG_PWRMNGR, this, args)
void cCpuFreqManager::Up(void) { lt_debug("%s\n", __FUNCTION__); }
void cCpuFreqManager::Down(void) { lt_debug("%s\n", __FUNCTION__); }
void cCpuFreqManager::Reset(void) { lt_debug("%s\n", __FUNCTION__); }
@@ -55,6 +58,16 @@ bool cCpuFreqManager::SetCpuFreq(unsigned long f)
{
ioctl(fd, IOC_AVS_SET_VOLUME, 31); /* mute AVS to avoid ugly noise */
ioctl(fd, IOC_AVS_STANDBY_ENTER);
if (getenv("TRIPLE_LCDBACKLIGHT"))
{
lt_info("%s: TRIPLE_LCDBACKLIGHT is set: keeping LCD backlight on\n", __func__);
close(fd);
fd = open("/dev/stb/tdlcd", O_RDONLY);
if (fd < 0)
lt_info("%s: open tdlcd error: %m\n", __func__);
else
ioctl(fd, IOC_LCD_BACKLIGHT_ON);
}
}
else
{