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monitor hdmi changes to keep the backlight off

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This commit is contained in:
Shaun Inman 2023-03-02 21:28:17 -05:00
parent e2f7c63892
commit 6a7a06aba5
2 changed files with 8 additions and 1 deletions
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6
src/keymon/keymon.c
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@ -32,6 +32,7 @@ static pthread_t ports_pt;
#define JACK_STATE_PATH "/sys/class/switch/h2w/state"
#define HDMI_STATE_PATH "/sys/class/switch/hdmi/state"
#define BACKLIGHT_PATH "/sys/class/backlight/backlight.2/bl_power"
int getInt(char* path) {
int i = 0;
@ -68,6 +69,11 @@ static void* watchPorts(void *arg) {
had_hdmi = has_hdmi;
SetHDMI(has_hdmi);
}
else if (has_hdmi && !getInt(BACKLIGHT_PATH)) {
SetHDMI(has_hdmi);
}
}
return 0;