add i2c bus support
fix platform to private
change resource function's name to resource_for_each_with_name
when register fail, free some alloc's memory
add gpio_is_valid function for gpio module
fix i2c bus
add res-i2c-gpio.c
fix i2c.c
fix i2c
add i2c for x210ii
fix i2c
remove space
add some function for i2c
modify i2c speed for x210ii
add ft5206 driver
change i2c.h
fix i2c
fix vsscanf.c warnning
add push_event_touches_xxx method
add mouse event to touches event support