xref: /openbmc/linux/sound/pci/emu10k1/tina2.h (revision 9cfc5c90)
1 /*
2  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
3  *  Driver tina2 chips
4  *  Version: 0.1
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  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21 
22 /********************************************************************************************************/
23 /* Audigy2 Tina2 (notebook) pointer-offset register set, accessed through the PTR2 and DATA2 registers  */
24 /********************************************************************************************************/
25 
26 #define TINA2_VOLUME	0x71	/* Attenuate playback volume to prevent distortion. */
27 				/* The windows driver does not use this register,
28 				 * so it must use some other attenuation method.
29 				 * Without this, the output is 12dB too loud,
30 				 * resulting in distortion.
31 				 */
32 
33