[xburst] Add 2.6.36 patches

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23421 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 209 insertions, 0 deletions

diff --git a/target/linux/xburst/patches-2.6.36/011-n526-sound.patch b/target/linux/xburst/patches-2.6.36/011-n526-sound.patch
new file mode 100644
index 0000000000..ab685b26ba
--- /dev/null
+++ b/target/linux/xburst/patches-2.6.36/011-n526-sound.patch
@@ -0,0 +1,209 @@
+From d2e198ed9ade74e2cb042ade405071ab58b11e33 Mon Sep 17 00:00:00 2001
+From: Lars-Peter Clausen <lars@metafoo.de>
+Date: Sat, 24 Apr 2010 12:38:41 +0200
+Subject: [PATCH] Add N526 sound SoC board driver
+
+---
+ sound/soc/jz4740/Kconfig  |    8 ++
+ sound/soc/jz4740/Makefile |    2 +
+ sound/soc/jz4740/n526.c   |  169 +++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 179 insertions(+), 0 deletions(-)
+ create mode 100644 sound/soc/jz4740/n526.c
+
+--- a/sound/soc/jz4740/Kconfig
++++ b/sound/soc/jz4740/Kconfig
+@@ -29,3 +29,11 @@ config SND_JZ4740_SOC_N516
+     select SND_SOC_JZCODEC
+ 	help
+ 	  Say Y if you want to enable support for SoC audio on the Hanvon N516.
++
++config SND_JZ4740_SOC_N526
++	tristate "SoC Audio support for Hanvon N526 eBook reader"
++	depends on SND_JZ4740_SOC && JZ4740_N526
++	select SND_JZ4740_SOC_I2S
++    select SND_SOC_JZCODEC
++	help
++	  Say Y if you want to enable support for SoC audio on the Hanvon N526.
+--- a/sound/soc/jz4740/Makefile
++++ b/sound/soc/jz4740/Makefile
+@@ -10,6 +10,8 @@ obj-$(CONFIG_SND_JZ4740_SOC_I2S) += snd-
+ # Jz4740 Machine Support
+ snd-soc-qi-lb60-objs := qi_lb60.o
+ snd-soc-n516-objs := n516.o
++snd-soc-n526-objs := n526.o
+ 
+ obj-$(CONFIG_SND_JZ4740_SOC_QI_LB60) += snd-soc-qi-lb60.o
+ obj-$(CONFIG_SND_JZ4740_SOC_N516) += snd-soc-n516.o
++obj-$(CONFIG_SND_JZ4740_SOC_N526) += snd-soc-n526.o
+--- /dev/null
++++ b/sound/soc/jz4740/n526.c
+@@ -0,0 +1,169 @@
++/*
++ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
++ *
++ * 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.
++ *
++ *  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.,
++ *  675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/moduleparam.h>
++#include <linux/timer.h>
++#include <linux/interrupt.h>
++#include <linux/platform_device.h>
++#include <sound/core.h>
++#include <sound/pcm.h>
++#include <sound/soc.h>
++#include <sound/soc-dapm.h>
++#include <linux/gpio.h>
++
++#include "../codecs/jzcodec.h"
++#include "jz4740-pcm.h"
++#include "jz4740-i2s.h"
++
++#define N526_AMP_EN_GPIO JZ_GPIO_PORTD(4)
++
++static int n526_spk_event(struct snd_soc_dapm_widget *widget,
++			     struct snd_kcontrol *ctrl, int event)
++{
++	gpio_set_value(N526_AMP_EN_GPIO, !SND_SOC_DAPM_EVENT_OFF(event));
++	return 0;
++}
++
++static const struct snd_soc_dapm_widget n526_widgets[] = {
++	SND_SOC_DAPM_SPK("Speaker", n526_spk_event),
++	SND_SOC_DAPM_HP("Headphone", NULL),
++	SND_SOC_DAPM_MIC("Mic", NULL),
++};
++
++static const struct snd_soc_dapm_route n526_routes[] = {
++	{"Mic", NULL, "MIC"},
++	{"Speaker", NULL, "LOUT"},
++	{"Speaker", NULL, "ROUT"},
++	{"Headphone", NULL, "LOUT"},
++	{"Headphone", NULL, "ROUT"},
++};
++
++static const struct snd_kcontrol_new n526_controls[] = {
++	SOC_DAPM_PIN_SWITCH("Speaker"),
++};
++
++#define N526_DAIFMT (SND_SOC_DAIFMT_I2S | \
++			SND_SOC_DAIFMT_NB_NF | \
++			SND_SOC_DAIFMT_CBM_CFM)
++
++static int n526_codec_init(struct snd_soc_codec *codec)
++{
++	int ret;
++	struct snd_soc_dai *cpu_dai = codec->socdev->card->dai_link->cpu_dai;
++	struct snd_soc_dai *codec_dai = codec->socdev->card->dai_link->codec_dai;
++
++	snd_soc_dapm_nc_pin(codec, "LIN");
++	snd_soc_dapm_nc_pin(codec, "RIN");
++
++	ret = snd_soc_dai_set_fmt(codec_dai, N526_DAIFMT);
++	if (ret < 0) {
++		dev_err(codec->dev, "Failed to set codec dai format: %d\n", ret);
++		return ret;
++	}
++
++	ret = snd_soc_dai_set_fmt(cpu_dai, N526_DAIFMT);
++	if (ret < 0) {
++		dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
++		return ret;
++	}
++
++	ret = snd_soc_dai_set_sysclk(codec_dai, JZCODEC_SYSCLK, 111,
++		SND_SOC_CLOCK_IN);
++	if (ret < 0) {
++		dev_err(codec->dev, "Failed to set codec dai sysclk: %d\n", ret);
++		return ret;
++	}
++
++	snd_soc_dapm_new_controls(codec, n526_widgets, ARRAY_SIZE(n526_widgets));
++
++	snd_soc_add_controls(codec, n526_controls,
++				ARRAY_SIZE(n526_controls));
++
++	snd_soc_dapm_add_routes(codec, n526_routes, ARRAY_SIZE(n526_routes));
++
++	snd_soc_dapm_sync(codec);
++
++	return 0;
++}
++
++static struct snd_soc_dai_link n526_dai = {
++	.name = "jz-codec",
++	.stream_name = "JZCODEC",
++	.cpu_dai = &jz4740_i2s_dai,
++	.codec_dai = &jz_codec_dai,
++	.init = n526_codec_init,
++};
++
++static struct snd_soc_card n526 = {
++	.name = "N526",
++	.dai_link = &n526_dai,
++	.num_links = 1,
++	.platform = &jz4740_soc_platform,
++};
++
++static struct snd_soc_device n526_snd_devdata = {
++	.card = &n526,
++	.codec_dev = &soc_codec_dev_jzcodec,
++};
++
++static struct platform_device *n526_snd_device;
++
++static int __init n526_init(void)
++{
++	int ret;
++
++	n526_snd_device = platform_device_alloc("soc-audio", -1);
++
++	if (!n526_snd_device)
++		return -ENOMEM;
++
++	ret = gpio_request(N526_AMP_EN_GPIO, "AMP");
++	if (ret) {
++		pr_err("n526 snd: Failed to request AMP GPIO(%d): %d\n",
++				N526_AMP_EN_GPIO, ret);
++		goto err_device_put;
++	}
++
++	gpio_direction_output(JZ_GPIO_PORTD(4), 0);
++
++	platform_set_drvdata(n526_snd_device, &n526_snd_devdata);
++	n526_snd_devdata.dev = &n526_snd_device->dev;
++	ret = platform_device_add(n526_snd_device);
++	if (ret) {
++		pr_err("n526 snd: Failed to add snd soc device: %d\n", ret);
++		goto err_unset_pdata;
++	}
++
++	 return 0;
++
++err_unset_pdata:
++	platform_set_drvdata(n526_snd_device, NULL);
++	gpio_free(N526_AMP_EN_GPIO);
++err_device_put:
++	platform_device_put(n526_snd_device);
++
++	return ret;
++}
++module_init(n526_init);
++
++static void __exit n526_exit(void)
++{
++	gpio_free(N526_AMP_EN_GPIO);
++	platform_device_unregister(n526_snd_device);
++}
++module_exit(n526_exit);
++
++MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
++MODULE_DESCRIPTION("ALSA SoC N526 audio support");
++MODULE_LICENSE("GPL v2");