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v0.8.1
https://github.com/torvalds/linux
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Tip revision: bf05bf16c76bb44ab5156223e1e58e26dfe30a88 authored by Linus Torvalds on 18 April 2021, 21:45:32 UTC
Linux 5.12-rc8
Tip revision: bf05bf1
tina2.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
 *  Driver tina2 chips
 *  Version: 0.1
 */

/********************************************************************************************************/
/* Audigy2 Tina2 (notebook) pointer-offset register set, accessed through the PTR2 and DATA2 registers  */
/********************************************************************************************************/

#define TINA2_VOLUME	0x71	/* Attenuate playback volume to prevent distortion. */
				/* The windows driver does not use this register,
				 * so it must use some other attenuation method.
				 * Without this, the output is 12dB too loud,
				 * resulting in distortion.
				 */

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