sound/pci/emu10k1/tina2.h

   1 /*
   2  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
   3  *  Driver p16v chips
   4  *  Version: 0.21
   5  *
   6  *
   7  *  This code was initally based on code from ALSA's emu10k1x.c which is:
   8  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
   9  *
  10  *   This program is free software; you can redistribute it and/or modify
  11  *   it under the terms of the GNU General Public License as published by
  12  *   the Free Software Foundation; either version 2 of the License, or
  13  *   (at your option) any later version.
  14  *
  15  *   This program is distributed in the hope that it will be useful,
  16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *   GNU General Public License for more details.
  19  *
  20  *   You should have received a copy of the GNU General Public License
  21  *   along with this program; if not, write to the Free Software
  22  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23  *
  24  */
  25
  26 /********************************************************************************************************/
  27 /* Audigy2 Tina2 (notebook) pointer-offset register set, accessed through the PTR2 and DATA2 registers  */
  28 /********************************************************************************************************/
  29
  30 #define TINA2_VOLUME    0x71    /* Attenuate playback volume to prevent distortion. */
  31                                 /* The windows driver does not use this register,
  32                                  * so it must use some other attenuation method.
  33                                  * Without this, the output is 12dB too loud,
  34                                  * resulting in distortion.
  35                                  */
  36