/mnt/SDCARD # ./evtest

No device specified, trying to scan all of /dev/input/event*

Available devices:

/dev/input/event0: axp22-supplyer

/dev/input/event1: sunxi-keyboard

/dev/input/event2: headset

/dev/input/event3: sunxi-ths

/dev/input/event4: gpio-keys-polled

Select the device event number [0-4]:

Event0 (axp22-supplyer):

Input device name: "axp22-supplyer"

Supported events:

Event type 0 (EV_SYN)

Event type 1 (EV_KEY)

Event code 116 (KEY_POWER)

Event code 143 (KEY_WAKEUP)

Event type 2 (EV_REL)

Properties:

Event1 (sunxi-keyboard):

Input device name: "sunxi-keyboard"

Supported events:

Event type 0 (EV_SYN)

Event type 1 (EV_KEY)

Event code 28 (KEY_ENTER)

Event code 102 (KEY_HOME)

Event code 114 (KEY_VOLUMEDOWN)

Event code 115 (KEY_VOLUMEUP)

Event code 139 (KEY_MENU)

Properties:

Event2 (headset):

Input device name: "headset"

Supported events:

Event type 0 (EV_SYN)

Event type 1 (EV_KEY)

Event code 114 (KEY_VOLUMEDOWN)

Event code 115 (KEY_VOLUMEUP)

Event code 211 (KEY_HP)

Event code 226 (KEY_MEDIA)

Properties:

Event3 (sunxi-ths):

Input device name: "sunxi-ths"

Supported events:

Event type 0 (EV_SYN)

Event type 3 (EV_ABS)

Event code 40 (ABS_MISC)

Value 0

Min -50

Max 180

Properties:

Event4 (gpio-keys-polled):

Input device name: "gpio-keys-polled"

Supported events:

Event type 0 (EV_SYN)

Event type 1 (EV_KEY)

Event code 1 (KEY_ESC)

Event code 14 (KEY_BACKSPACE)

Event code 15 (KEY_TAB)

Event code 18 (KEY_E)

Event code 20 (KEY_T)

Event code 28 (KEY_ENTER)

Event code 29 (KEY_LEFTCTRL)

Event code 42 (KEY_LEFTSHIFT)

Event code 56 (KEY_LEFTALT)

Event code 57 (KEY_SPACE)

Event code 97 (KEY_RIGHTCTRL)

Event code 103 (KEY_UP)

Event code 105 (KEY_LEFT)

Event code 106 (KEY_RIGHT)

Event code 108 (KEY_DOWN)

Event code 114 (KEY_VOLUMEDOWN)

Event code 115 (KEY_VOLUMEUP)

Properties: