smartq7 turn off/on led light, brightness change

Change brightness

LOW:

 echo 0 > /sys/devices/platform/s3c2410-lcd/backlight_level

MID BRIGHTNESS:

echo 50 > /sys/devices/platform/s3c2410-lcd/backlight_level

Disables green LED:

echo 0 > /sys/devices/platform/hhtech_gpio/led1_en

Enables green LED:

echo 1 > /sys/devices/platform/hhtech_gpio/led1_en

Speaker off:

echo 0 > /sys/devices/platform/hhtech_gpio/speaker_en

Speaker on:

echo 1 > /sys/devices/platform/hhtech_gpio/speaker_en