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Merge pull request #12508 from CTCaer/unix-bl-bri-fix 

plat: unix: correct backlight max_brightness path
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Autechre 2021-07-11 18:35:59 +02:00 committed by GitHub
parent e4fd172892 98be8f0c22
commit 32ed7ed1d7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 4 deletions
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8
frontend/drivers/platform_unix.c
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@ -1349,15 +1349,15 @@ static void frontend_unix_set_screen_brightness(int value)
char *buffer = NULL; char *buffer = NULL;
char svalue[16] = {0}; char svalue[16] = {0};
unsigned int max_brightness = 100; unsigned int max_brightness = 100;
#if !defined(HAVE_LAKKA_SWITCH)
filestream_read_file("/sys/devices/platform/backlight/backlight/backlight/max_brightness", /* Device tree should have 'label = "backlight";' if control is desirable */
filestream_read_file("/sys/class/backlight/backlight/max_brightness",
&buffer, NULL); &buffer, NULL);
if (buffer) if (buffer)
{ {
sscanf(buffer, "%u", &max_brightness); sscanf(buffer, "%u", &max_brightness);
free(buffer); free(buffer);
} }
#endif
/* Calculate the brightness */ /* Calculate the brightness */
value = (value * max_brightness) / 100; value = (value * max_brightness) / 100;
@ -2827,7 +2827,7 @@ frontend_ctx_driver_t frontend_ctx_unix = {
#endif #endif
#if defined(HAVE_LAKKA_SWITCH) || (defined(HAVE_LAKKA) && defined(HAVE_ODROIDGO2)) #if defined(HAVE_LAKKA_SWITCH) || (defined(HAVE_LAKKA) && defined(HAVE_ODROIDGO2))
frontend_unix_set_screen_brightness,/* set_screen_brightness */ frontend_unix_set_screen_brightness,/* set_screen_brightness */
#else #else
NULL, /* set_screen_brightness */ NULL, /* set_screen_brightness */
#endif #endif
frontend_unix_watch_path_for_changes, frontend_unix_watch_path_for_changes,