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authorLen Brown <len.brown@intel.com>2006-01-07 03:50:18 -0500
committerLen Brown <len.brown@intel.com>2006-01-07 03:50:18 -0500
commited03f430cdc8c802652467e9097606fedc2c7abc (patch)
tree30941ec1e6f93e99358fefe18175e5dd800a4379 /sound/pci/emu10k1/tina2.h
parented349a8a0a780ed27e2a765f16cee54d9b63bfee (diff)
parent6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff)
downloadop-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.zip
op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.gz
Pull pnpacpi into acpica branch
Diffstat (limited to 'sound/pci/emu10k1/tina2.h')
-rw-r--r--sound/pci/emu10k1/tina2.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/tina2.h b/sound/pci/emu10k1/tina2.h
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+++ b/sound/pci/emu10k1/tina2.h
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+/*
+ * 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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