| What:		/sys/bus/i2c/devices/.../device | 
 | Date:		February 2011 | 
 | Contact:	Minkyu Kang <mk7.kang@samsung.com> | 
 | Description: | 
 | 		show what device is attached | 
 | 		NONE - no device | 
 | 		USB - USB device is attached | 
 | 		UART - UART is attached | 
 | 		CHARGER - Charger is attaced | 
 | 		JIG - JIG is attached | 
 |  | 
 | What:		/sys/bus/i2c/devices/.../switch | 
 | Date:		February 2011 | 
 | Contact:	Minkyu Kang <mk7.kang@samsung.com> | 
 | Description: | 
 | 		show or set the state of manual switch | 
 | 		VAUDIO - switch to VAUDIO path | 
 | 		UART - switch to UART path | 
 | 		AUDIO - switch to AUDIO path | 
 | 		DHOST - switch to DHOST path | 
 | 		AUTO - switch automatically by device |