xref: /OK3568_Linux_fs/kernel/sound/pci/emu10k1/tina2.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
4*4882a593Smuzhiyun  *  Driver tina2 chips
5*4882a593Smuzhiyun  *  Version: 0.1
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun /********************************************************************************************************/
9*4882a593Smuzhiyun /* Audigy2 Tina2 (notebook) pointer-offset register set, accessed through the PTR2 and DATA2 registers  */
10*4882a593Smuzhiyun /********************************************************************************************************/
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define TINA2_VOLUME	0x71	/* Attenuate playback volume to prevent distortion. */
13*4882a593Smuzhiyun 				/* The windows driver does not use this register,
14*4882a593Smuzhiyun 				 * so it must use some other attenuation method.
15*4882a593Smuzhiyun 				 * Without this, the output is 12dB too loud,
16*4882a593Smuzhiyun 				 * resulting in distortion.
17*4882a593Smuzhiyun 				 */
18*4882a593Smuzhiyun 
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