2 files changed, 38 insertions, 0 deletions

diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 541aad6c7126..2d1ebe8c6b41 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -40,6 +40,7 @@
 #include <sound/core.h>
 #include <sound/emu10k1.h>
 #include "p16v.h"
+#include "tina2.h"
 
 #if 0
 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Creative Labs, Inc.");
@@ -600,6 +601,7 @@ static int __devinit snd_emu10k1_cardbus_init(emu10k1_t * emu)
         outl(0x0090007f, special_port);
         value = inl(special_port);
 
+        snd_emu10k1_ptr20_write(emu, TINA2_VOLUME, 0, 0xfefefefe); /* Defaults to 0x30303030 */
         return 0;
 }
 
diff --git a/sound/pci/emu10k1/tina2.h b/sound/pci/emu10k1/tina2.h
new file mode 100644
index 000000000000..5c43abf03e89
--- /dev/null
+++ b/sound/pci/emu10k1/tina2.h
@@ -0,0 +1,36 @@
+/*
+ *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
+ *  Driver p16v chips
+ *  Version: 0.21
+ *
+ *
+ *  This code was initally based on code from ALSA's emu10k1x.c which is:
+ *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+/********************************************************************************************************/
+/* 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.
+                                 */
+