diff options
| author | Sebastian Leonhardt <sebastian.leonhardt@web.de> | 2016-06-28 02:05:25 +0200 |
|---|---|---|
| committer | Sebastian Leonhardt <sebastian.leonhardt@web.de> | 2019-02-07 22:10:52 +0100 |
| commit | 287685932e53849192020092bce7d7a21d9e2a71 (patch) | |
| tree | 7d9c1f0cff0dbc0928735d7f7d678b804a0eb5e2 | |
| parent | 03e63da3165fa2ea02286a4497d2e9cf0bdc6ea6 (diff) | |
Fix lcd not waking up when backlight is always off
This patch is relevant for targets with a transflective display.
If the backlight was set to "always off" (e.g. to use the lcd
in a pure passive way), and the sleep timer ran off, the LCD
would stay disabled and didn't wake up when a button is pressed.
Change-Id: I0a157c7f421d9fc4c7d8ba903f2cf93f6cef51d0
| -rw-r--r-- | firmware/backlight.c | 4 | ||||
| -rw-r--r-- | firmware/export/backlight.h | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/firmware/backlight.c b/firmware/backlight.c index 3acc89c27c..caff55ce5e 100644 --- a/firmware/backlight.c +++ b/firmware/backlight.c @@ -499,6 +499,10 @@ static void backlight_update_state(void) if (UNLIKELY(timeout < 0)) { do_backlight_off(); +#if defined(HAVE_TRANSFLECTIVE_LCD) && defined(HAVE_LCD_SLEEP) + /* LCD must be enabled to allow "passive" operation (backlight always off) */ + lcd_awake(); +#endif #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_SETTING) \ || (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) /* necessary step to issue fading down when the setting is selected */ diff --git a/firmware/export/backlight.h b/firmware/export/backlight.h index 6d029790b3..326de4ce28 100644 --- a/firmware/export/backlight.h +++ b/firmware/export/backlight.h @@ -64,6 +64,10 @@ void lcd_set_sleep_after_backlight_off(int timeout_seconds); void lcd_awake(void); #endif +#ifdef HAVE_LCD_SLEEP +void lcd_awake(void); +#endif + #else /* !HAVE_BACKLIGHT */ #define backlight_init() #endif /* !HAVE_BACKLIGHT */ |