acrn-kernel/sound/pci/emu10k1/tina2.h

19 lines
769 B
C

/* 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.
*/