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authorRichard Purdie <rpurdie@rpsys.net>2006-10-06 18:36:07 +0200
committerJaroslav Kysela <perex@suse.cz>2007-02-09 09:00:21 +0100
commit40e0aa64660b4e28a9348e57bfbda6c114617969 (patch)
tree2319f248c131147621e5743607cd9f3a6b1e32a5 /sound/soc/codecs/wm8731.h
parent[ALSA] ASoC: documentation & maintainer (diff)
downloadlinux-40e0aa64660b4e28a9348e57bfbda6c114617969.tar.xz
linux-40e0aa64660b4e28a9348e57bfbda6c114617969.zip
[ALSA] ASoC codecs: WM8731 support
This patch adds ASoC support for the WM8731 codec. Supported features:- o Capture/Playback/Sidetone/Bypass. o 16 & 24 bit audio. o 8k - 96k sample rates. o DAPM. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/soc/codecs/wm8731.h')
-rw-r--r--sound/soc/codecs/wm8731.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8731.h b/sound/soc/codecs/wm8731.h
new file mode 100644
index 000000000000..8fa0f53bef1c
--- /dev/null
+++ b/sound/soc/codecs/wm8731.h
@@ -0,0 +1,41 @@
+/*
+ * wm8731.h -- WM8731 Soc Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8731_H
+#define _WM8731_H
+
+/* WM8731 register space */
+
+#define WM8731_LINVOL 0x00
+#define WM8731_RINVOL 0x01
+#define WM8731_LOUT1V 0x02
+#define WM8731_ROUT1V 0x03
+#define WM8731_APANA 0x04
+#define WM8731_APDIGI 0x05
+#define WM8731_PWR 0x06
+#define WM8731_IFACE 0x07
+#define WM8731_SRATE 0x08
+#define WM8731_ACTIVE 0x09
+#define WM8731_RESET 0x0f
+
+#define WM8731_CACHEREGNUM 10
+
+struct wm8731_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8731_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8731;
+
+#endif