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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /sound/pci/emu10k1/tina2.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/pci/emu10k1/tina2.h')
-rw-r--r--sound/pci/emu10k1/tina2.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/tina2.h b/sound/pci/emu10k1/tina2.h
new file mode 100644
index 000000000..7fd235345
--- /dev/null
+++ b/sound/pci/emu10k1/tina2.h
@@ -0,0 +1,18 @@
+/* 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.
+ */
+