TTY: ldisc, do not close until there are readers
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / pci / emu10k1 / tina2.h
blobf2d8eb6c89e19c7c02eec693d3ade833526b4a18
1 /*
2 * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
3 * Driver tina2 chips
4 * Version: 0.1
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 /********************************************************************************************************/
23 /* Audigy2 Tina2 (notebook) pointer-offset register set, accessed through the PTR2 and DATA2 registers */
24 /********************************************************************************************************/
26 #define TINA2_VOLUME 0x71 /* Attenuate playback volume to prevent distortion. */
27 /* The windows driver does not use this register,
28 * so it must use some other attenuation method.
29 * Without this, the output is 12dB too loud,
30 * resulting in distortion.