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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
[mirror_ubuntu-focal-kernel.git] / sound / pci / emu10k1 / tina2.h
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1a59d1b8 1/* SPDX-License-Identifier: GPL-2.0-or-later */
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2/*
3 * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
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4 * Driver tina2 chips
5 * Version: 0.1
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6 */
7
8/********************************************************************************************************/
9/* Audigy2 Tina2 (notebook) pointer-offset register set, accessed through the PTR2 and DATA2 registers */
10/********************************************************************************************************/
11
12#define TINA2_VOLUME 0x71 /* Attenuate playback volume to prevent distortion. */
13 /* The windows driver does not use this register,
14 * so it must use some other attenuation method.
15 * Without this, the output is 12dB too loud,
16 * resulting in distortion.
17 */
18