linux-kernel - [PATCHv2 5/6] ASoC: fsl: Add VF610 simple audio card widgets driver.

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Date:	Mon, 13 Jan 2014 13:53:57 +0800
From:	Xiubo Li <Li.Xiubo@...escale.com>
To:	<broonie@...nel.org>, <lgirdwood@...il.com>
CC:	<kuninori.morimoto.gx@...esas.com>, <alsa-devel@...a-project.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	Xiubo Li <Li.Xiubo@...escale.com>
Subject: [PATCHv2 5/6] ASoC: fsl: Add VF610 simple audio card widgets driver.

This is the SGTL5000 codec based off-CODEC widgets supports.

Signed-off-by: Xiubo Li <Li.Xiubo@...escale.com>
---
 sound/soc/fsl/Kconfig                     | 25 ++++++++++++++++++
 sound/soc/fsl/Makefile                    |  3 +++
 sound/soc/fsl/snd-soc-simple-card-vf610.c | 43 +++++++++++++++++++++++++++++++
 3 files changed, 71 insertions(+)
 create mode 100644 sound/soc/fsl/snd-soc-simple-card-vf610.c

diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 324988d..1a09028 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -219,3 +219,28 @@ config SND_SOC_IMX_MC13783
 	select SND_SOC_IMX_PCM_DMA
 
 endif # SND_IMX_SOC
+
+menuconfig SND_VF610_SOC
+       tristate "SoC Audio for Freescale VF610 CPUs"
+       select DMA_ENGINE
+       help
+         Say Y or M if you want to add support for codecs attached to
+         the VF610 CPUs.
+
+         This will enable Freeacale SAI and SGTL5000 codec, and an extra
+         TWR-AUDIO-SGTL sub-board is needed for SGTL5000.
+
+if SND_VF610_SOC
+
+config SND_SOC_VF610_SGTL5000
+       tristate "SoC Audio support for VF610 boards with SGTL5000"
+       depends on OF && I2C
+       select SND_SOC_FSL_SAI
+       select SND_SOC_SGTL5000
+       select SND_SIMPLE_CARD
+       help
+         Say Y if you want to add support for SoC audio on an VF610 board with
+         a SGTL5000 codec and a SAI.
+
+
+endif #SND_VF610_SOC
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index b12ad4b..668cead 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -60,3 +60,6 @@ obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o
 obj-$(CONFIG_SND_SOC_IMX_WM8962) += snd-soc-imx-wm8962.o
 obj-$(CONFIG_SND_SOC_IMX_SPDIF) += snd-soc-imx-spdif.o
 obj-$(CONFIG_SND_SOC_IMX_MC13783) += snd-soc-imx-mc13783.o
+
+# Simple audio card widgets Support
+obj-$(CONFIG_SND_SOC_VF610_SGTL5000) += snd-soc-simple-card-vf610.o
diff --git a/sound/soc/fsl/snd-soc-simple-card-vf610.c b/sound/soc/fsl/snd-soc-simple-card-vf610.c
new file mode 100644
index 0000000..ee28748
--- /dev/null
+++ b/sound/soc/fsl/snd-soc-simple-card-vf610.c
@@ -0,0 +1,43 @@
+/*
+ * ASoC VF610 SGTL5000 off-CODEC widgets support
+ *
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ */
+#include <linux/module.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+static const struct snd_soc_dapm_widget vf610_sgtl5000_dapm_widgets[] = {
+	SND_SOC_DAPM_MIC("Mic Jack", NULL),
+	SND_SOC_DAPM_LINE("Line In Jack", NULL),
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_SPK("Line Out Jack", NULL),
+	SND_SOC_DAPM_SPK("Ext Spk", NULL),
+};
+
+struct snd_soc_widgets vf610_sgtl5000_widgets = {
+	.name = "vf610-sgtl5000",
+	.widgets = vf610_sgtl5000_dapm_widgets,
+	.cnt = ARRAY_SIZE(vf610_sgtl5000_dapm_widgets),
+};
+
+static int __init __vf610_sgtl5000_widgets_init(void)
+{
+	return snd_soc_register_widgets(&vf610_sgtl5000_widgets);
+}
+module_init(__vf610_sgtl5000_widgets_init);
+
+static void __exit __vf610_sgtl5000_widgets_exit(void)
+{
+	snd_soc_unregister_widgets(&vf610_sgtl5000_widgets);
+}
+module_exit(__vf610_sgtl5000_widgets_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:vf610-simple-card-widgets");
+MODULE_DESCRIPTION("ASoC Simple Sound Card Widgets");
+MODULE_AUTHOR("Xiubo Li <Li.Xiubo@...escale.com>");
-- 
1.8.4


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