[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/soc/codecs/wm8727.c b/src/kernel/linux/v4.14/sound/soc/codecs/wm8727.c
new file mode 100644
index 0000000..7fde077
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/soc/codecs/wm8727.c
@@ -0,0 +1,90 @@
+/*
+ * wm8727.c
+ *
+ * Created on: 15-Oct-2009
+ * Author: neil.jones@imgtec.com
+ *
+ * Copyright (C) 2009 Imagination Technologies Ltd.
+ *
+ * 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.
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+static const struct snd_soc_dapm_widget wm8727_dapm_widgets[] = {
+SND_SOC_DAPM_OUTPUT("VOUTL"),
+SND_SOC_DAPM_OUTPUT("VOUTR"),
+};
+
+static const struct snd_soc_dapm_route wm8727_dapm_routes[] = {
+ { "VOUTL", NULL, "Playback" },
+ { "VOUTR", NULL, "Playback" },
+};
+
+/*
+ * Note this is a simple chip with no configuration interface, sample rate is
+ * determined automatically by examining the Master clock and Bit clock ratios
+ */
+#define WM8727_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
+ SNDRV_PCM_RATE_192000)
+
+
+static struct snd_soc_dai_driver wm8727_dai = {
+ .name = "wm8727-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = WM8727_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+};
+
+static const struct snd_soc_codec_driver soc_codec_dev_wm8727 = {
+ .component_driver = {
+ .dapm_widgets = wm8727_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8727_dapm_widgets),
+ .dapm_routes = wm8727_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8727_dapm_routes),
+ },
+};
+
+static int wm8727_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_codec(&pdev->dev,
+ &soc_codec_dev_wm8727, &wm8727_dai, 1);
+}
+
+static int wm8727_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_codec(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver wm8727_codec_driver = {
+ .driver = {
+ .name = "wm8727",
+ },
+
+ .probe = wm8727_probe,
+ .remove = wm8727_remove,
+};
+
+module_platform_driver(wm8727_codec_driver);
+
+MODULE_DESCRIPTION("ASoC wm8727 driver");
+MODULE_AUTHOR("Neil Jones");
+MODULE_LICENSE("GPL");