xref: /openbmc/linux/sound/pci/emu10k1/tina2.h (revision 7f1005dd)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
4  *  Driver tina2 chips
5  */
6 
7 /********************************************************************************************************/
8 /* Audigy2 Tina2 (notebook) pointer-offset register set, accessed through the PTR2 and DATA2 registers  */
9 /********************************************************************************************************/
10 
11 #define TINA2_VOLUME	0x71	/* Attenuate playback volume to prevent distortion. */
12 				/* The windows driver does not use this register,
13 				 * so it must use some other attenuation method.
14 				 * Without this, the output is 12dB too loud,
15 				 * resulting in distortion.
16 				 */
17 
18