ASoC: add WM8782 ADC Codec Driver

Signed-off-by: Johannes Stezenbach <js@sig21.net>
[zonque@gmail.com: transform to new ASoC structure]
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 6d32346ac7ceeadaa753dc8d69f1cb78d13e35b4..2998e659379ccca924c6983279db513d7184463e 100644 (file)
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -72,6 +72,7 @@ config SND_SOC_ALL_CODECS
        select SND_SOC_WM8753 if SND_SOC_I2C_AND_SPI
        select SND_SOC_WM8770 if SPI_MASTER
        select SND_SOC_WM8776 if SND_SOC_I2C_AND_SPI
+       select SND_SOC_WM8782
        select SND_SOC_WM8804 if SND_SOC_I2C_AND_SPI
        select SND_SOC_WM8900 if I2C
        select SND_SOC_WM8903 if I2C
@@ -307,6 +308,9 @@ config SND_SOC_WM8770
 config SND_SOC_WM8776
        tristate
 
+config SND_SOC_WM8782
+       tristate
+
 config SND_SOC_WM8804
        tristate
 

diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 600102eb6010b28290a48a66ce622d797133bd03..51cd3d48958985f53615d3bfd060396d9eab2742 100644 (file)
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -57,6 +57,7 @@ snd-soc-wm8750-objs := wm8750.o
 snd-soc-wm8753-objs := wm8753.o
 snd-soc-wm8770-objs := wm8770.o
 snd-soc-wm8776-objs := wm8776.o
+snd-soc-wm8782-objs := wm8782.o
 snd-soc-wm8804-objs := wm8804.o
 snd-soc-wm8900-objs := wm8900.o
 snd-soc-wm8903-objs := wm8903.o
@@ -151,6 +152,7 @@ obj-$(CONFIG_SND_SOC_WM8750)        += snd-soc-wm8750.o
 obj-$(CONFIG_SND_SOC_WM8753)   += snd-soc-wm8753.o
 obj-$(CONFIG_SND_SOC_WM8770)   += snd-soc-wm8770.o
 obj-$(CONFIG_SND_SOC_WM8776)   += snd-soc-wm8776.o
+obj-$(CONFIG_SND_SOC_WM8782)   += snd-soc-wm8782.o
 obj-$(CONFIG_SND_SOC_WM8804)   += snd-soc-wm8804.o
 obj-$(CONFIG_SND_SOC_WM8900)   += snd-soc-wm8900.o
 obj-$(CONFIG_SND_SOC_WM8903)   += snd-soc-wm8903.o

diff --git a/sound/soc/codecs/wm8782.c b/sound/soc/codecs/wm8782.c
new file mode 100644 (file)
index 0000000..a2a09f8
--- /dev/null
+++ b/sound/soc/codecs/wm8782.c
@@ -0,0 +1,80 @@
+/*
+ * sound/soc/codecs/wm8782.c
+ * simple, strap-pin configured 24bit 2ch ADC
+ *
+ * Copyright: 2011 Raumfeld GmbH
+ * Author: Johannes Stezenbach <js@sig21.net>
+ *
+ * based on ad73311.c
+ * Copyright:  Analog Device Inc.
+ * Author:     Cliff Cai <cliff.cai@analog.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.
+ */
+
+#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 struct snd_soc_dai_driver wm8782_dai = {
+       .name = "wm8782",
+       .capture = {
+               .stream_name = "Capture",
+               .channels_min = 2,
+               .channels_max = 2,
+               /* For configurations with FSAMPEN=0 */
+               .rates = SNDRV_PCM_RATE_8000_48000,
+               .formats = SNDRV_PCM_FMTBIT_S16_LE |
+                          SNDRV_PCM_FMTBIT_S20_3LE |
+                          SNDRV_PCM_FMTBIT_S24_LE,
+       },
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_wm8782;
+
+static __devinit int wm8782_probe(struct platform_device *pdev)
+{
+       return snd_soc_register_codec(&pdev->dev,
+                       &soc_codec_dev_wm8782, &wm8782_dai, 1);
+}
+
+static int __devexit wm8782_remove(struct platform_device *pdev)
+{
+       snd_soc_unregister_codec(&pdev->dev);
+       return 0;
+}
+
+static struct platform_driver wm8782_codec_driver = {
+       .driver = {
+               .name = "wm8782",
+               .owner = THIS_MODULE,
+       },
+       .probe = wm8782_probe,
+       .remove = wm8782_remove,
+};
+
+static int __init wm8782_init(void)
+{
+       return platform_driver_register(&wm8782_codec_driver);
+}
+module_init(wm8782_init);
+
+static void __exit wm8782_exit(void)
+{
+       platform_driver_unregister(&wm8782_codec_driver);
+}
+module_exit(wm8782_exit);
+
+MODULE_DESCRIPTION("ASoC WM8782 driver");
+MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>");
+MODULE_LICENSE("GPL");