drivers/platform/x86/dell-uart-backlight.h

   1 /*
   2  *  Dell AIO Serial Backlight Driver
   3  *
   4  *  Copyright (C) 2017 AceLan Kao <acelan.kao@canonical.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  */
  17
  18 #ifndef _DELL_UART_BACKLIGHT_H_
  19 #define _DELL_UART_BACKLIGHT_H_
  20
  21 enum {
  22         DELL_UART_GET_FIRMWARE_VER,
  23         DELL_UART_GET_SCALAR,
  24         DELL_UART_GET_BRIGHTNESS,
  25         DELL_UART_SET_BRIGHTNESS,
  26         DELL_UART_SET_BACKLIGHT_POWER,
  27 };
  28
  29 struct dell_uart_bl_cmd {
  30         unsigned char   cmd[10];
  31         unsigned char   ret[80];
  32         unsigned short  tx_len;
  33         unsigned short  rx_len;
  34 };
  35
  36 #endif /* _DELL_UART_BACKLIGHT_H_ */