diff options
Diffstat (limited to 'liblights/lights.c')
| -rw-r--r-- | liblights/lights.c | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/liblights/lights.c b/liblights/lights.c index 36a049b..f7d1d60 100644 --- a/liblights/lights.c +++ b/liblights/lights.c @@ -1,6 +1,7 @@ /* * Copyright (C) 2013 The Android Open Source Project * Copyright (C) 2015-2016 The CyanogenMod Project + * Copyright (C) 2017 The LineageOS Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -44,6 +45,12 @@ enum component_mask_t { COMPONENT_LED = 0x4, }; +enum light_t { + TYPE_BATTERY = 0, + TYPE_NOTIFICATION = 1, + TYPE_ATTENTION = 2, +}; + // Assume backlight is always supported static int hw_components = COMPONENT_BACKLIGHT; @@ -197,10 +204,20 @@ static int write_leds(const struct led_config *led) return err; } +static int calibrate_color(int color, int brightness) +{ + int red = ((color >> 16) & 0xFF) * LED_ADJUSTMENT_R; + int green = ((color >> 8) & 0xFF) * LED_ADJUSTMENT_G; + int blue = (color & 0xFF) * LED_ADJUSTMENT_B; + + return (((red * brightness) / 255) << 16) + (((green * brightness) / 255) << 8) + ((blue * brightness) / 255); +} + static int set_light_leds(struct light_state_t const *state, int type) { struct led_config *led; int err = 0; + int adjusted_brightness; ALOGV("%s: type=%d, color=0x%010x, fM=%d, fOnMS=%d, fOffMs=%d.", __func__, type, state->color,state->flashMode, state->flashOnMS, state->flashOffMS); @@ -230,7 +247,23 @@ static int set_light_leds(struct light_state_t const *state, int type) return -EINVAL; } - led->color = state->color & COLOR_MASK; + switch (type) { + case TYPE_BATTERY: + adjusted_brightness = LED_BRIGHTNESS_BATTERY; + break; + case TYPE_NOTIFICATION: + adjusted_brightness = LED_BRIGHTNESS_NOTIFICATION; + break; + case TYPE_ATTENTION: + adjusted_brightness = LED_BRIGHTNESS_ATTENTION; + break; + default: + adjusted_brightness = 255; + } + + + + led->color = calibrate_color(state->color & COLOR_MASK, adjusted_brightness); if (led->color > 0) { /* This LED is lit. */ @@ -266,13 +299,13 @@ switched: static int set_light_leds_battery(struct light_device_t *dev __unused, struct light_state_t const *state) { - return set_light_leds(state, 0); + return set_light_leds(state, TYPE_BATTERY); } static int set_light_leds_notifications(struct light_device_t *dev __unused, struct light_state_t const *state) { - return set_light_leds(state, 1); + return set_light_leds(state, TYPE_NOTIFICATION); } static int set_light_leds_attention(struct light_device_t *dev __unused, @@ -298,7 +331,7 @@ static int set_light_leds_attention(struct light_device_t *dev __unused, break; } - return set_light_leds(&fixed, 2); + return set_light_leds(&fixed, TYPE_ATTENTION); } static int open_lights(const struct hw_module_t *module, char const *name, |