drivers/staging/rtl8723bs/core/rtw_rf.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7
   8 #include <drv_types.h>
   9 #include <linux/kernel.h>
  10
  11 static const u32 ch_freq_map[] = {
  12         2412,
  13         2417,
  14         2422,
  15         2427,
  16         2432,
  17         2437,
  18         2442,
  19         2447,
  20         2452,
  21         2457,
  22         2462,
  23         2467,
  24         2472,
  25         2484
  26 };
  27
  28 u32 rtw_ch2freq(u32 channel)
  29 {
  30         if (channel == 0 || channel > ARRAY_SIZE(ch_freq_map))
  31                 return 2412;
  32
  33         return ch_freq_map[channel - 1];
  34 }