mirror of
https://github.com/koreader/koreader
synced 2024-10-31 21:20:20 +00:00
108 lines
3.3 KiB
Lua
108 lines
3.3 KiB
Lua
local BasePowerD = require("device/generic/powerd")
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local NickelConf = require("device/kobo/nickel_conf")
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local batt_state_folder =
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"/sys/devices/platform/pmic_battery.1/power_supply/mc13892_bat/"
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local KoboPowerD = BasePowerD:new{
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-- Do not actively set front light to 0, it may confuse users -- pressing
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-- hardware button won't take any effect.
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fl_min = 1, fl_max = 100,
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fl_intensity = 20,
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restore_settings = true,
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fl = nil,
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-- We will set this value for all kobo models. but it will only be synced
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-- with nickel's FrontLightState config if the current nickel firmware
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-- supports this config.
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is_fl_on = false,
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batt_capacity_file = batt_state_folder .. "capacity",
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is_charging_file = batt_state_folder .. "status",
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battCapacity = nil,
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is_charging = nil,
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}
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function KoboPowerD:init()
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if self.device.hasFrontlight() then
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local kobolight = require("ffi/kobolight")
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local ok, light = pcall(kobolight.open)
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if ok then
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self.fl = light
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if NickelConf.frontLightState.get() ~= nil then
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self.has_fl_state_cfg = true
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else
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self.has_fl_state_cfg = false
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end
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end
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end
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end
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function KoboPowerD:toggleFrontlight()
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if self.fl ~= nil then
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if self.is_fl_on then
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self.fl:setBrightness(0)
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else
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self.fl:setBrightness(self.fl_intensity)
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end
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self.is_fl_on = not self.is_fl_on
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if self.has_fl_state_cfg and KOBO_SYNC_BRIGHTNESS_WITH_NICKEL then
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NickelConf.frontLightState.set(self.is_fl_on)
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end
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end
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end
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function KoboPowerD:setIntensityHW()
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if self.fl ~= nil then
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self.fl:setBrightness(self.fl_intensity)
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-- Make sure we persist intensity config in reader setting
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G_reader_settings:saveSetting("frontlight_intensity", self.fl_intensity)
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if KOBO_SYNC_BRIGHTNESS_WITH_NICKEL then
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NickelConf.frontLightLevel.set(self.fl_intensity)
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end
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-- also keep self.is_fl_on in sync with intensity if needed
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local is_fl_on
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if self.fl_intensity > 0 then
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is_fl_on = true
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else
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is_fl_on = false
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end
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if self.is_fl_on ~= is_fl_on then
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self.is_fl_on = is_fl_on
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if self.has_fl_state_cfg and KOBO_SYNC_BRIGHTNESS_WITH_NICKEL then
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NickelConf.frontLightState.set(self.is_fl_on)
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end
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end
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end
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end
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function KoboPowerD:getCapacityHW()
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self.battCapacity = self:read_int_file(self.batt_capacity_file)
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return self.battCapacity
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end
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function KoboPowerD:isChargingHW()
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self.is_charging = self:read_str_file(self.is_charging_file) == "Charging\n"
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return self.is_charging
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end
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-- Turn off front light before suspend.
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function KoboPowerD:beforeSuspend()
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if self.fl ~= nil then
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self.fl:setBrightness(0)
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end
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end
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-- Restore front light state after resume.
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function KoboPowerD:afterResume()
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if self.fl ~= nil then
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if KOBO_LIGHT_ON_START and tonumber(KOBO_LIGHT_ON_START) > -1 then
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self:setIntensity(math.min(KOBO_LIGHT_ON_START, 100))
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elseif self.is_fl_on then
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self.fl:setBrightness(self.fl_intensity)
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end
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end
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end
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return KoboPowerD
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