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Kobo: Initial Elipsa 2E support (#10719)

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Untested, but mostly everything should be there ;p.

Bumps base for MTK support (https://github.com/koreader/koreader-base/pull/1642)
reviewable/pr10771/r1
NiLuJe 9 months ago committed by GitHub
parent ef0bcbad3f
commit 689d9e2976
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 264 additions and 123 deletions
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2
base

@ -1 +1 @@
Subproject commit ae48a62a0b6c673e4f805d50e4d7acf9729cfd10
Subproject commit e539f080e5a3d2ec1dc76e0a7290a1558e3fb2d7

116
frontend/device/kobo/device.lua
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@ -127,8 +127,10 @@ local Kobo = Generic:extend{
isMk7 = no,
-- MXCFB_WAIT_FOR_UPDATE_COMPLETE ioctls are generally reliable
hasReliableMxcWaitFor = yes,
-- Sunxi devices require a completely different fb backend...
-- AllWinner SoCs require a completely different fb backend...
isSunxi = no,
-- The fb backend also needs to know if we're on a MediaTek SoC.
isMTK = no,
-- On sunxi, "native" panel layout used to compute the G2D rotation handle (e.g., deviceQuirks.nxtBootRota in FBInk).
boot_rota = nil,
-- Standard sysfs path to the battery directory
@ -498,6 +500,32 @@ local KoboGoldfinch = Kobo:extend{
hasReliableMxcWaitFor = no,
}
-- Kobo Elipsa 2E:
local KoboCondor = Kobo:extend{
model = "Kobo_condor",
isMTK = yes,
hasEclipseWfm = yes,
canToggleChargingLED = yes,
hasFrontlight = yes,
hasGSensor = yes,
display_dpi = 227,
pressure_event = C.ABS_MT_PRESSURE,
touch_mirrored_x = false,
hasNaturalLight = yes,
frontlight_settings = {
frontlight_white = "/sys/class/backlight/mxc_msp430.0/brightness",
frontlight_mixer = "/sys/class/leds/aw99703-bl_FL1/color",
nl_min = 0,
nl_max = 10,
nl_inverted = true,
},
battery_sysfs = "/sys/class/power_supply/bd71827_bat",
touch_dev = "/dev/input/by-path/platform-2-0010-event",
ntx_dev = "/dev/input/by-path/platform-ntx_event0-event",
power_dev = "/dev/input/by-path/platform-bd71828-pwrkey.6.auto-event",
isSMP = yes,
}
function Kobo:setupChargingLED()
if G_reader_settings:nilOrTrue("enable_charging_led") then
if self:hasAuxBattery() and self.powerd:isAuxBatteryConnected() then
@ -575,6 +603,24 @@ function Kobo:init()
end
end
-- So far, MTK kernels do not export a per-request inversion flag
if self:isMTK() then
-- Instead, there's a global flag that we can *set* (but not *get*) via a procfs knob...
-- Overload the HWNightMode stuff to implement that properly, like we do on Kindle
function self.screen:setHWNightmode(toggle)
-- No getter, so, keep track of our own state
self.hw_night_mode = toggle
-- Flip the global invert_fb flag
util.writeToSysfs(toggle and "night_mode 4" or "night_mode 0", "/proc/hwtcon/cmd")
end
function self.screen:getHWNightmode()
-- Return false on nil for reader.lua's sake, mostly.
-- (We want to disable this on exit, always, as it will never be used by Nickel, which does SW inversion).
return self.hw_night_mode == true
end
end
-- Automagic sysfs discovery
if self.automagic_sysfs then
-- Battery
@ -600,7 +646,10 @@ function Kobo:init()
end
-- Touch panel input
if util.fileExists("/dev/input/by-path/platform-1-0010-event") then
if util.fileExists("/dev/input/by-path/platform-2-0010-event") then
-- Elan (HWConfig TouchCtrl is ekth6) on i2c bus 2
self.touch_dev = "/dev/input/by-path/platform-2-0010-event"
elseif util.fileExists("/dev/input/by-path/platform-1-0010-event") then
-- Elan (HWConfig TouchCtrl is ekth6) on i2c bus 1
self.touch_dev = "/dev/input/by-path/platform-1-0010-event"
elseif util.fileExists("/dev/input/by-path/platform-0-0010-event") then
@ -615,7 +664,7 @@ function Kobo:init()
-- Libra 2 w/ a BD71828 PMIC
self.ntx_dev = "/dev/input/by-path/platform-gpio-keys-event"
elseif util.fileExists("/dev/input/by-path/platform-ntx_event0-event") then
-- sunxi & Mk. 7
-- MTK, sunxi & Mk. 7
self.ntx_dev = "/dev/input/by-path/platform-ntx_event0-event"
elseif util.fileExists("/dev/input/by-path/platform-mxckpd-event") then
-- circa Mk. 5 i.MX
@ -753,7 +802,10 @@ function Kobo:init()
end
-- Detect the NTX charging LED sysfs knob
if util.pathExists("/sys/devices/platform/ntx_led/lit") then
if util.pathExists("/sys/class/leds/bd71828-green-led") then
-- Standard Linux LED class, wheee!
self.charging_led_sysfs_knob = "/sys/class/leds/bd71828-green-led"
elseif util.pathExists("/sys/devices/platform/ntx_led/lit") then
self.ntx_lit_sysfs_knob = "/sys/devices/platform/ntx_led/lit"
elseif util.pathExists("/sys/devices/platform/pmic_light.1/lit") then
self.ntx_lit_sysfs_knob = "/sys/devices/platform/pmic_light.1/lit"
@ -761,6 +813,13 @@ function Kobo:init()
self.canToggleChargingLED = no
end
-- Switch to the simple standard implementation if available
if self.charging_led_sysfs_knob then
self.charging_led_imp = self._LinuxChargingLEDToggle
else
self.charging_led_imp = self._NTXChargingLEDToggle
end
-- NOP unsupported methods
if not self:canToggleChargingLED() then
self.toggleChargingLED = NOP
@ -776,7 +835,7 @@ function Kobo:init()
self:enableCPUCores(1)
self.canStandby = checkStandby()
if self.canStandby() and (self:isMk7() or self:isSunxi()) then
if self.canStandby() and (self:isMk7() or self:isSunxi() or self:isMTK()) then
self.canPowerSaveWhileCharging = yes
end
@ -1264,7 +1323,8 @@ function Kobo:powerOff()
-- Much like Nickel itself, disable the RTC alarm before powering down.
self.wakeup_mgr:unsetWakeupAlarm()
if self:isSunxi() then
--- @todo: Check on MTK
if self:isSunxi() or self:isMTK() then
-- On sunxi, apparently, we *do* go through init
os.execute("sleep 1 && poweroff &")
else
@ -1277,23 +1337,7 @@ function Kobo:reboot()
os.execute("sleep 1 && reboot &")
end
function Kobo:toggleChargingLED(toggle)
-- We have no way of querying the current state from the HW!
if toggle == nil then
return
end
-- Don't do anything if the state is already correct
-- NOTE: What happens to the LED when attempting/successfully entering PM is... kind of a mess.
-- On a H2O, even *attempting* to enter PM will kill the light (and it'll stay off).
-- On a Forma, a failed attempt will *not* affect the light, but a successful one *will* kill it,
-- be that standby or suspend, but it'll be restored on wakeup...
-- On sunxi, PM appears to have zero effect on the LED.
if self.charging_led_state == toggle then
return
end
self.charging_led_state = toggle
logger.dbg("Kobo: Turning the charging LED", toggle and "on" or "off")
function Kobo:_NTXChargingLEDToggle(toggle)
-- NOTE: While most/all Kobos actually have a charging LED, and it can usually be fiddled with in a similar fashion,
-- we've seen *extremely* weird behavior in the past when playing with it on older devices (c.f., #5479).
-- In fact, Nickel itself doesn't provide this feature on said older devices
@ -1328,6 +1372,30 @@ function Kobo:toggleChargingLED(toggle)
C.close(fd)
end
function Kobo:_LinuxChargingLEDToggle(toggle)
util.writeToSysfs(toggle and "1" or "0", self.charging_led_sysfs_knob)
end
function Kobo:toggleChargingLED(toggle)
-- We have no way of querying the current state from the HW!
if toggle == nil then
return
end
-- Don't do anything if the state is already correct
-- NOTE: What happens to the LED when attempting/successfully entering PM is... kind of a mess.
-- On a H2O, even *attempting* to enter PM will kill the light (and it'll stay off).
-- On a Forma, a failed attempt will *not* affect the light, but a successful one *will* kill it,
-- be that standby or suspend, but it'll be restored on wakeup...
-- On sunxi, PM appears to have zero effect on the LED.
if self.charging_led_state == toggle then
return
end
self.charging_led_state = toggle
logger.dbg("Kobo: Turning the charging LED", toggle and "on" or "off")
return self:charging_led_imp(toggle)
end
-- Return the highest core number
function Kobo:getCPUCount()
local fd = io.open("/sys/devices/system/cpu/possible", "re")
@ -1535,6 +1603,8 @@ elseif codename == "io" then
return KoboIo
elseif codename == "goldfinch" then
return KoboGoldfinch
elseif codename == "condor" then
return KoboCondor
else
error("unrecognized Kobo model ".. codename .. " with device id " .. product_id)
end

86
platform/kobo/disable-wifi.sh
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@ -38,51 +38,71 @@ wpa_cli -i "${INTERFACE}" terminate
[ "${WIFI_MODULE}" = "dhd" ] && wlarm_le -i "${INTERFACE}" down
ifconfig "${INTERFACE}" down
# Some sleep in between may avoid system getting hung
# (we test if a module is actually loaded to avoid unneeded sleeps)
if grep -q "^${WIFI_MODULE}" "/proc/modules"; then
usleep 250000
rmmod "${WIFI_MODULE}"
fi
# Handle dependencies, if any
WIFI_DEP_MOD=""
SKIP_SDIO_PWR_MODULE=""
# Honor the platform's preferred method to toggle power
POWER_TOGGLE="module"
# Some platforms never unload the wifi modules
SKIP_UNLOAD=""
case "${WIFI_MODULE}" in
"moal")
WIFI_DEP_MOD="mlan"
SKIP_SDIO_PWR_MODULE="1"
POWER_TOGGLE="ntx_io"
;;
"wlan_drv_gen4m")
POWER_TOGGLE="wmt"
SKIP_UNLOAD="true"
;;
esac
if [ -n "${WIFI_DEP_MOD}" ]; then
if grep -q "^${WIFI_DEP_MOD}" "/proc/modules"; then
if [ -z "${SKIP_UNLOAD}" ]; then
# Some sleep in between may avoid system getting hung
# (we test if a module is actually loaded to avoid unneeded sleeps)
if grep -q "^${WIFI_MODULE} " "/proc/modules"; then
usleep 250000
rmmod "${WIFI_DEP_MOD}"
# NOTE: Kobo's busybox build is weird. rmmod appears to be modprobe in disguise, defaulting to the -r flag...
# But since there's currently no modules.dep file being shipped, nor do they include the depmod applet,
# go with what the FW is doing, which is rmmod.
# c.f., #2394?
rmmod "${WIFI_MODULE}"
fi
fi
if [ -n "${SKIP_SDIO_PWR_MODULE}" ]; then
usleep 250000
./luajit frontend/device/kobo/ntx_io.lua 208 0
else
if grep -q "^sdio_wifi_pwr" "/proc/modules"; then
# Handle the shitty DVFS switcheroo...
if [ -n "${CPUFREQ_DVFS}" ]; then
echo "0" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
if [ -n "${CPUFREQ_CONSERVATIVE}" ]; then
echo "conservative" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
else
echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
cat "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
fi
if [ -n "${WIFI_DEP_MOD}" ]; then
if grep -q "^${WIFI_DEP_MOD} " "/proc/modules"; then
usleep 250000
rmmod "${WIFI_DEP_MOD}"
fi
usleep 250000
rmmod sdio_wifi_pwr
fi
fi
# Poke the kernel via ioctl on platforms without the dedicated power module...
if [ ! -e "/drivers/${PLATFORM}/wifi/sdio_wifi_pwr.ko" ]; then
case "${POWER_TOGGLE}" in
"ntx_io")
usleep 250000
./luajit frontend/device/kobo/ntx_io.lua 208 0
fi
fi
;;
"wmt")
echo 0 >/dev/wmtWifi
;;
*)
if grep -q "^sdio_wifi_pwr " "/proc/modules"; then
# Handle the shitty DVFS switcheroo...
if [ -n "${CPUFREQ_DVFS}" ]; then
echo "0" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
if [ -n "${CPUFREQ_CONSERVATIVE}" ]; then
echo "conservative" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
else
echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
cat "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
fi
fi
usleep 250000
rmmod sdio_wifi_pwr
fi
# Poke the kernel via ioctl on platforms without the dedicated power module...
if [ ! -e "/drivers/${PLATFORM}/wifi/sdio_wifi_pwr.ko" ]; then
usleep 250000
./luajit frontend/device/kobo/ntx_io.lua 208 0
fi
;;
esac

98
platform/kobo/enable-wifi.sh
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@ -14,43 +14,84 @@ for fd in /proc/"$$"/fd/*; do
done
# Some platforms do *NOT* use sdio_wifi_pwr, even when it is physically there...
SKIP_SDIO_PWR_MODULE=""
POWER_TOGGLE="module"
# We also want to choose the wpa_supplicant driver depending on the module...
WPA_SUPPLICANT_DRIVER="wext"
# And some platforms also put the modules in some funkier paths...
KMOD_PATH="/drivers/${PLATFORM}/wifi"
case "${WIFI_MODULE}" in
"moal")
SKIP_SDIO_PWR_MODULE="1"
POWER_TOGGLE="ntx_io"
WPA_SUPPLICANT_DRIVER="nl80211"
;;
"wlan_drv_gen4m")
POWER_TOGGLE="wmt"
WPA_SUPPLICANT_DRIVER="nl80211"
KMOD_PATH="/drivers/${PLATFORM}/mt66xx"
;;
esac
# Load the requested module if it isn't already
insmod_asneeded() {
kmod="${1}"
shift
if ! grep -q "^${kmod} " "/proc/modules"; then
insmod "${KMOD_PATH}/${kmod}.ko" "${@}"
usleep 250000
fi
}
# Power up WiFi chip
if [ -n "${SKIP_SDIO_PWR_MODULE}" ]; then
# 208 is CM_WIFI_CTRL
./luajit frontend/device/kobo/ntx_io.lua 208 1
else
if ! grep -q "^sdio_wifi_pwr" "/proc/modules"; then
if [ -e "/drivers/${PLATFORM}/wifi/sdio_wifi_pwr.ko" ]; then
# Handle the shitty DVFS switcheroo...
if [ -n "${CPUFREQ_DVFS}" ]; then
echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
echo "1" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
fi
case "${POWER_TOGGLE}" in
"ntx_io")
# 208 is CM_WIFI_CTRL
./luajit frontend/device/kobo/ntx_io.lua 208 1
;;
"wmt")
# NOTE: Unlike earlier platforms, it seems the WiFi modules are only loaded once, and never unloaded.
# So, just make sure they actually are loaded before we go on...
insmod_asneeded "wmt_drv"
insmod_asneeded "wmt_chrdev_wifi"
insmod_asneeded "wmt_cdev_bt"
insmod_asneeded "${WIFI_MODULE}"
insmod "/drivers/${PLATFORM}/wifi/sdio_wifi_pwr.ko"
else
# Poke the kernel via ioctl on platforms without the dedicated power module...
# 208 is CM_WIFI_CTRL
./luajit frontend/device/kobo/ntx_io.lua 208 1
# Black magic courtesy of wmt_dbg_func_ctrl @ (out of tree) modules/connectivity/wmt_mt66xx/common_main/linux/wmt_dbg.c
# Enable debug commands
echo "0xDB9DB9" >/proc/driver/wmt_dbg
# Disable the LPBK test
echo "7 9 0" >/proc/driver/wmt_dbg
# Nickel appears to sleep for ~1s
sleep 1
echo "0xDB9DB9" >/proc/driver/wmt_dbg
# Enable the LPBK test (this'll block for ~1.3s)
echo "7 9 1" >/proc/driver/wmt_dbg
# Finally, power on the chip
echo 1 >/dev/wmtWifi
;;
*)
if ! grep -q "^sdio_wifi_pwr " "/proc/modules"; then
if [ -e "${KMOD_PATH}/sdio_wifi_pwr.ko" ]; then
# Handle the shitty DVFS switcheroo...
if [ -n "${CPUFREQ_DVFS}" ]; then
echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
echo "1" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
fi
insmod "${KMOD_PATH}/sdio_wifi_pwr.ko"
else
# Poke the kernel via ioctl on platforms without the dedicated power module...
./luajit frontend/device/kobo/ntx_io.lua 208 1
fi
fi
fi
fi
;;
esac
# Moar sleep!
usleep 250000
# Load WiFi modules
# NOTE: Used to be exported in WIFI_MODULE_PATH before FW 4.23
if ! grep -q "^${WIFI_MODULE}" "/proc/modules"; then
if ! grep -q "^${WIFI_MODULE} " "/proc/modules"; then
# Set the Wi-Fi regulatory domain properly if necessary...
WIFI_COUNTRY_CODE_PARM=""
if grep -q "^WifiRegulatoryDomain=" "/mnt/onboard/.kobo/Kobo/Kobo eReader.conf"; then
@ -74,15 +115,14 @@ if ! grep -q "^${WIFI_MODULE}" "/proc/modules"; then
# And, of course, it requires a submodule...
WIFI_DEP_MOD="mlan"
if [ -e "/drivers/${PLATFORM}/wifi/${WIFI_DEP_MOD}.ko" ]; then
insmod "/drivers/${PLATFORM}/wifi/${WIFI_DEP_MOD}.ko"
elif [ -e "/drivers/${PLATFORM}/${WIFI_DEP_MOD}.ko" ]; then
insmod "/drivers/${PLATFORM}/${WIFI_DEP_MOD}.ko"
fi
insmod "${KMOD_PATH}/${WIFI_DEP_MOD}.ko"
# NOTE: Nickel sleeps for two whole seconds after each module loading.
# Let's try our usual timing instead...
usleep 250000
;;
"wlan_drv_gen4m")
# Nothing to do here, we only load the modules once, so we should never enter this branch.
;;
esac
WIFI_PARM=""
@ -101,12 +141,12 @@ if ! grep -q "^${WIFI_MODULE}" "/proc/modules"; then
fi
fi
if [ -e "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko" ]; then
if [ -e "${KMOD_PATH}/${WIFI_MODULE}.ko" ]; then
if [ -n "${WIFI_PARM}" ]; then
# shellcheck disable=SC2086
insmod "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko" ${WIFI_PARM}
insmod "${KMOD_PATH}/${WIFI_MODULE}.ko" ${WIFI_PARM}
else
insmod "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko"
insmod "${KMOD_PATH}/${WIFI_MODULE}.ko"
fi
elif [ -e "/drivers/${PLATFORM}/${WIFI_MODULE}.ko" ]; then
# NOTE: Modules are unsorted on Mk. 8

4
platform/kobo/koreader.sh
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@ -64,7 +64,7 @@ if [ "${current_cpufreq_gov}" != "interactive" ]; then
# but the code in the published H2O kernel sources actually does the reverse, and is commented out ;).
# It is now entirely handled by Nickel, right *before* loading/unloading that module.
# (There's also a bug(?) where that behavior is inverted for the *first* Wi-Fi session after a cold boot...)
if grep -q "^sdio_wifi_pwr" "/proc/modules"; then
if grep -q "^sdio_wifi_pwr " "/proc/modules"; then
# Wi-Fi is enabled, make sure DVFS is on
echo "userspace" >"${CPUFREQ_SYSFS_PATH}/scaling_governor"
echo "1" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
@ -197,7 +197,7 @@ if [ "${VIA_NICKEL}" = "true" ]; then
./luajit frontend/device/kobo/ntx_io.lua 126 0
fi
fi
if grep -q "^sdio_bt_pwr" "/proc/modules"; then
if grep -q "^sdio_bt_pwr " "/proc/modules"; then
# And that's on NXP SoCs
rmmod sdio_bt_pwr
fi

81
platform/kobo/nickel.sh
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@ -26,22 +26,21 @@ unset FBINK_FORCE_ROTA
) &
# Make sure we kill the Wi-Fi first, because nickel apparently doesn't like it if it's up... (cf. #1520)
if grep -q "^${WIFI_MODULE}" "/proc/modules"; then
if grep -q "^${WIFI_MODULE} " "/proc/modules"; then
killall -q -TERM restore-wifi-async.sh enable-wifi.sh obtain-ip.sh
cp -a "/etc/resolv.conf" "/tmp/resolv.ko"
old_hash="$(md5sum "/etc/resolv.conf" | cut -f1 -d' ')"
if [ -x "/sbin/dhcpcd" ]; then
dhcpcd -d -k "${INTERFACE}"
killall -q -TERM udhcpc default.script
else
killall -q -TERM udhcpc default.script dhcpcd
fi
# NOTE: dhcpcd -k waits for the signalled process to die, but busybox's killall doesn't have a -w, --wait flag,
# so we have to wait for udhcpc to die ourselves...
# NOTE: But if all is well, there *isn't* any udhcpc process or script left to begin with...
kill_timeout=0
while pkill -0 udhcpc; do
# Stop waiting after 5s
if [ ${kill_timeout} -ge 20 ]; then
break
fi
@ -56,52 +55,64 @@ if grep -q "^${WIFI_MODULE}" "/proc/modules"; then
else
rm -f "/tmp/resolv.ko"
fi
wpa_cli terminate
wpa_cli -i "${INTERFACE}" terminate
[ "${WIFI_MODULE}" = "dhd" ] && wlarm_le -i "${INTERFACE}" down
ifconfig "${INTERFACE}" down
# NOTE: Kobo's busybox build is weird. rmmod appears to be modprobe in disguise, defaulting to the -r flag...
# But since there's currently no modules.dep file being shipped, nor do they include the depmod applet,
# go with what the FW is doing, which is rmmod.
# c.f., #2394?
usleep 250000
rmmod "${WIFI_MODULE}"
WIFI_DEP_MOD=""
SKIP_SDIO_PWR_MODULE=""
POWER_TOGGLE="module"
SKIP_UNLOAD=""
case "${WIFI_MODULE}" in
"moal")
WIFI_DEP_MOD="mlan"
SKIP_SDIO_PWR_MODULE="1"
POWER_TOGGLE="ntx_io"
;;
"wlan_drv_gen4m")
POWER_TOGGLE="wmt"
SKIP_UNLOAD="true"
;;
esac
if [ -n "${WIFI_DEP_MOD}" ]; then
if grep -q "^${WIFI_DEP_MOD}" "/proc/modules"; then
usleep 250000
rmmod "${WIFI_DEP_MOD}"
fi
fi
if [ -n "${SKIP_SDIO_PWR_MODULE}" ]; then
if [ -z "${SKIP_UNLOAD}" ]; then
usleep 250000
"${KOREADER_DIR}"/luajit "${KOREADER_DIR}"/frontend/device/kobo/ntx_io.lua 208 0
else
if grep -q "^sdio_wifi_pwr" "/proc/modules"; then
if [ -n "${CPUFREQ_DVFS}" ]; then
echo "0" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
# Leave Nickel in its usual state, don't try to use conservative
echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
cat "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
rmmod "${WIFI_MODULE}"
if [ -n "${WIFI_DEP_MOD}" ]; then
if grep -q "^${WIFI_DEP_MOD} " "/proc/modules"; then
usleep 250000
rmmod "${WIFI_DEP_MOD}"
fi
usleep 250000
rmmod sdio_wifi_pwr
fi
fi
# Poke the kernel via ioctl on platforms without the dedicated power module...
if [ ! -e "/drivers/${PLATFORM}/wifi/sdio_wifi_pwr.ko" ]; then
case "${POWER_TOGGLE}" in
"ntx_io")
usleep 250000
"${KOREADER_DIR}"/luajit "${KOREADER_DIR}"/frontend/device/kobo/ntx_io.lua 208 0
fi
fi
;;
"wmt")
echo 0 >/dev/wmtWifi
;;
*)
if grep -q "^sdio_wifi_pwr " "/proc/modules"; then
if [ -n "${CPUFREQ_DVFS}" ]; then
echo "0" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
# Leave Nickel in its usual state, don't try to use conservative
echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
cat "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
fi
usleep 250000
rmmod sdio_wifi_pwr
fi
if [ ! -e "/drivers/${PLATFORM}/wifi/sdio_wifi_pwr.ko" ]; then
usleep 250000
"${KOREADER_DIR}"/luajit "${KOREADER_DIR}"/frontend/device/kobo/ntx_io.lua 208 0
fi
;;
esac
fi
unset KOREADER_DIR

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