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-rw-r--r--sound/pci/emu10k1/emu10k1_main.c2
-rw-r--r--sound/pci/emu10k1/tina2.h36
2 files changed, 38 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 541aad6..2d1ebe8 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 0000000..5c43abf
--- /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.
+ */
+
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