diff options
Diffstat (limited to 'light/Light.cpp')
| -rw-r--r-- | light/Light.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/light/Light.cpp b/light/Light.cpp index 0286b6a..1702603 100644 --- a/light/Light.cpp +++ b/light/Light.cpp @@ -24,6 +24,7 @@ #include <android-base/file.h> #include <android-base/logging.h> +#include <unistd.h> namespace { @@ -35,6 +36,8 @@ namespace { #define LEDS(x) PPCAT(/sys/class/leds, x) #define LCD_ATTR(x) STRINGIFY(PPCAT(LEDS(lcd-backlight), x)) #define WHITE_ATTR(x) STRINGIFY(PPCAT(LEDS(white), x)) +#define BUTTON_ATTR(x) STRINGIFY(PPCAT(LEDS(button-backlight), x)) +#define BUTTON1_ATTR(x) STRINGIFY(PPCAT(LEDS(button-backlight1), x)) using ::android::base::ReadFileToString; using ::android::base::WriteStringToFile; @@ -125,6 +128,24 @@ Light::Light() { max_led_brightness_ = kDefaultMaxLedBrightness; LOG(ERROR) << "Failed to read max LED brightness, fallback to " << kDefaultMaxLedBrightness; } + + if (!access(BUTTON_ATTR(brightness), W_OK)) { + lights_.emplace(std::make_pair(Type::BUTTONS, + [this](auto&&... args) { setLightButtons(args...); })); + buttons_.emplace_back(BUTTON_ATTR(brightness)); + + if (!access(BUTTON1_ATTR(brightness), W_OK)) { + buttons_.emplace_back(BUTTON1_ATTR(brightness)); + } + + if (ReadFileToString(BUTTON_ATTR(max_brightness), &buf)) { + max_button_brightness_ = std::stoi(buf); + } else { + max_button_brightness_ = kDefaultMaxLedBrightness; + LOG(ERROR) << "Failed to read max button brightness, fallback to " + << kDefaultMaxLedBrightness; + } + } } Return<Status> Light::setLight(Type type, const LightState& state) { @@ -154,6 +175,13 @@ void Light::setLightBacklight(Type /*type*/, const LightState& state) { WriteToFile(LCD_ATTR(brightness), brightness); } +void Light::setLightButtons(Type /*type*/, const LightState& state) { + uint32_t brightness = RgbaToBrightness(state.color, max_button_brightness_); + for (auto&& button : buttons_) { + WriteToFile(button, brightness); + } +} + void Light::setLightNotification(Type type, const LightState& state) { bool found = false; for (auto&& [cur_type, cur_state] : notif_states_) { |