[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/sound/ak4531_codec.h b/src/kernel/linux/v4.14/include/sound/ak4531_codec.h
new file mode 100644
index 0000000..85ea86e
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/sound/ak4531_codec.h
@@ -0,0 +1,85 @@
+#ifndef __SOUND_AK4531_CODEC_H
+#define __SOUND_AK4531_CODEC_H
+
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * Universal interface for Audio Codec '97
+ *
+ * For more details look to AC '97 component specification revision 2.1
+ * by Intel Corporation (http://developer.intel.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
+ *
+ */
+
+#include <sound/info.h>
+#include <sound/control.h>
+
+/*
+ * ASAHI KASEI - AK4531 codec
+ * - not really AC'97 codec, but it uses very similar interface as AC'97
+ */
+
+/*
+ * AK4531 codec registers
+ */
+
+#define AK4531_LMASTER 0x00 /* master volume left */
+#define AK4531_RMASTER 0x01 /* master volume right */
+#define AK4531_LVOICE 0x02 /* channel volume left */
+#define AK4531_RVOICE 0x03 /* channel volume right */
+#define AK4531_LFM 0x04 /* FM volume left */
+#define AK4531_RFM 0x05 /* FM volume right */
+#define AK4531_LCD 0x06 /* CD volume left */
+#define AK4531_RCD 0x07 /* CD volume right */
+#define AK4531_LLINE 0x08 /* LINE volume left */
+#define AK4531_RLINE 0x09 /* LINE volume right */
+#define AK4531_LAUXA 0x0a /* AUXA volume left */
+#define AK4531_RAUXA 0x0b /* AUXA volume right */
+#define AK4531_MONO1 0x0c /* MONO1 volume left */
+#define AK4531_MONO2 0x0d /* MONO1 volume right */
+#define AK4531_MIC 0x0e /* MIC volume */
+#define AK4531_MONO_OUT 0x0f /* Mono-out volume */
+#define AK4531_OUT_SW1 0x10 /* Output mixer switch 1 */
+#define AK4531_OUT_SW2 0x11 /* Output mixer switch 2 */
+#define AK4531_LIN_SW1 0x12 /* Input left mixer switch 1 */
+#define AK4531_RIN_SW1 0x13 /* Input right mixer switch 1 */
+#define AK4531_LIN_SW2 0x14 /* Input left mixer switch 2 */
+#define AK4531_RIN_SW2 0x15 /* Input right mixer switch 2 */
+#define AK4531_RESET 0x16 /* Reset & power down */
+#define AK4531_CLOCK 0x17 /* Clock select */
+#define AK4531_AD_IN 0x18 /* AD input select */
+#define AK4531_MIC_GAIN 0x19 /* MIC amplified gain */
+
+struct snd_ak4531 {
+ void (*write) (struct snd_ak4531 *ak4531, unsigned short reg,
+ unsigned short val);
+ void *private_data;
+ void (*private_free) (struct snd_ak4531 *ak4531);
+ /* --- */
+ unsigned char regs[0x20];
+ struct mutex reg_mutex;
+};
+
+int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
+ struct snd_ak4531 **rak4531);
+
+#ifdef CONFIG_PM
+void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
+void snd_ak4531_resume(struct snd_ak4531 *ak4531);
+#endif
+
+#endif /* __SOUND_AK4531_CODEC_H */