openwrt/target/linux/brcm2708/patches-3.18/0031-ASoC-Add-support-for-P...

121 lines
3.5 KiB
Diff

From c3294683a11a781ec75c31d0717bee4f6438c6e6 Mon Sep 17 00:00:00 2001
From: Florian Meier <florian.meier@koalo.de>
Date: Fri, 22 Nov 2013 14:59:51 +0100
Subject: [PATCH 031/114] ASoC: Add support for PCM5102A codec
Some definitions to support the PCM5102A codec
by Texas Instruments.
Signed-off-by: Florian Meier <florian.meier@koalo.de>
---
sound/soc/codecs/Kconfig | 4 +++
sound/soc/codecs/Makefile | 2 ++
sound/soc/codecs/pcm5102a.c | 63 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 69 insertions(+)
create mode 100644 sound/soc/codecs/pcm5102a.c
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -80,6 +80,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_PCM512x_I2C if I2C
select SND_SOC_PCM512x_SPI if SPI_MASTER
select SND_SOC_RT286 if I2C
+ select SND_SOC_PCM5102A if I2C
select SND_SOC_RT5631 if I2C
select SND_SOC_RT5640 if I2C
select SND_SOC_RT5645 if I2C
@@ -486,6 +487,9 @@ config SND_SOC_RT286
tristate
depends on I2C
+config SND_SOC_PCM5102A
+ tristate
+
config SND_SOC_RT5631
tristate
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -74,6 +74,7 @@ snd-soc-pcm512x-i2c-objs := pcm512x-i2c.
snd-soc-pcm512x-spi-objs := pcm512x-spi.o
snd-soc-rl6231-objs := rl6231.o
snd-soc-rt286-objs := rt286.o
+snd-soc-pcm5102a-objs := pcm5102a.o
snd-soc-rt5631-objs := rt5631.o
snd-soc-rt5640-objs := rt5640.o
snd-soc-rt5645-objs := rt5645.o
@@ -250,6 +251,7 @@ obj-$(CONFIG_SND_SOC_PCM512x_I2C) += snd
obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o
obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o
obj-$(CONFIG_SND_SOC_RT286) += snd-soc-rt286.o
+obj-$(CONFIG_SND_SOC_PCM5102A) += snd-soc-pcm5102a.o
obj-$(CONFIG_SND_SOC_RT5631) += snd-soc-rt5631.o
obj-$(CONFIG_SND_SOC_RT5640) += snd-soc-rt5640.o
obj-$(CONFIG_SND_SOC_RT5645) += snd-soc-rt5645.o
--- /dev/null
+++ b/sound/soc/codecs/pcm5102a.c
@@ -0,0 +1,63 @@
+/*
+ * Driver for the PCM5102A codec
+ *
+ * Author: Florian Meier <florian.meier@koalo.de>
+ * Copyright 2013
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/soc.h>
+
+static struct snd_soc_dai_driver pcm5102a_dai = {
+ .name = "pcm5102a-hifi",
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE
+ },
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_pcm5102a;
+
+static int pcm5102a_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_pcm5102a,
+ &pcm5102a_dai, 1);
+}
+
+static int pcm5102a_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_codec(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver pcm5102a_codec_driver = {
+ .probe = pcm5102a_probe,
+ .remove = pcm5102a_remove,
+ .driver = {
+ .name = "pcm5102a-codec",
+ .owner = THIS_MODULE,
+ },
+};
+
+module_platform_driver(pcm5102a_codec_driver);
+
+MODULE_DESCRIPTION("ASoC PCM5102A codec driver");
+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
+MODULE_LICENSE("GPL v2");