[PATCH 5/7] Support Alps T4 Touchpad device

From: Masaki Ota -Define T4 device specification value for support T4 device. -Create "t4_contact_data" and "t4_input_report" structure for decode T4 data and store it. -Create "t4_calc_check_sum()" function for calculate checksum value to send the device. T4 needs to send this value when read/w

[PATCH 5/7] Support Alps T4 Touchpad device

From: Masaki Ota -Define T4 device specification value for support T4 device. -Create "t4_contact_data" and "t4_input_report" structure for decode T4 data and store it. -Create "t4_calc_check_sum()" function for calculate checksum value to send the device. T4 needs to send this value when read/w