drivers/input/touchscreen/atmel_mXT224E.c:460:5: sparse: symbol 'i2c_atmel_read' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:496:5: sparse: symbol 'i2c_atmel_write' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:532:5: sparse: symbol 'i2c_atmel_write_byte_data' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:538:10: sparse: symbol 'get_object_address' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:547:9: sparse: symbol 'get_object_size' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:557:9: sparse: symbol 'get_object_size_from_address' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:847:32: sparse: symbol 'atmel_ts_get_pdata' was not declared. Should it be static?
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>