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authorMirko Vogt <mirko@openwrt.org>2008-12-12 11:58:53 +0000
committerMirko Vogt <mirko@openwrt.org>2008-12-12 11:58:53 +0000
commitfac7f7f84f3771c5247c7fdee825c092077984f5 (patch)
tree54644c1229434d7ee13c5872bda4129e34337fc0 /target/linux/s3c24xx/patches-2.6.24/1178-debug-codec-register-setting-sysfs.patch.patch
parenta34279723a9cf0796f9261f2fb90bea18cd95711 (diff)
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changed Makefile and profiles, added patches for kernel 2.6.24
(stable-branch of Openmoko) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1178-debug-codec-register-setting-sysfs.patch.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1178-debug-codec-register-setting-sysfs.patch.patch67
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1178-debug-codec-register-setting-sysfs.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1178-debug-codec-register-setting-sysfs.patch.patch
new file mode 100644
index 0000000000..0fd0008193
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1178-debug-codec-register-setting-sysfs.patch.patch
@@ -0,0 +1,67 @@
+From 79b99f7d65cce0730998a84d2fb615ae5ad0cff5 Mon Sep 17 00:00:00 2001
+From: Andy Green <andy@openmoko.com>
+Date: Wed, 2 Jul 2008 22:39:01 +0100
+Subject: [PATCH] debug-codec-register-setting-sysfs.patch
+ Allow direct setting of codec registers for super mega meddling power
+ Signed-off-by: Andy Green <andy@openmoko.com>
+
+---
+ sound/soc/soc-core.c | 35 +++++++++++++++++++++++++++++++++++
+ 1 files changed, 35 insertions(+), 0 deletions(-)
+
+diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
+index 25f7818..9e20333 100644
+--- a/sound/soc/soc-core.c
++++ b/sound/soc/soc-core.c
+@@ -928,6 +928,38 @@ static ssize_t codec_reg_show(struct device *dev,
+ }
+ static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
+
++
++static ssize_t codec_reg_write(struct device *dev,
++ struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ u32 address;
++ u32 data;
++ char * end;
++ size_t left = count;
++ struct snd_soc_device *devdata = dev_get_drvdata(dev);
++ struct snd_soc_codec *codec = devdata->codec;
++
++ address = simple_strtoul(buf, &end, 16);
++ left -= (int)(end - buf);
++ while ((*end == ' ') && (left)) {
++ end++;
++ left--;
++ }
++ if (!left)
++ return count;
++ data = simple_strtoul(end, &end, 16);
++
++ printk(KERN_INFO"user writes Codec reg 0x%02X with Data 0x%04X\n",
++ address, data);
++
++ codec->write(codec, address, data);
++
++ return count;
++}
++
++static DEVICE_ATTR(codec_reg_write, 0644, NULL, codec_reg_write);
++
+ /**
+ * snd_soc_new_ac97_codec - initailise AC97 device
+ * @codec: audio codec
+@@ -1139,6 +1171,9 @@ int snd_soc_register_card(struct snd_soc_device *socdev)
+ err = device_create_file(socdev->dev, &dev_attr_codec_reg);
+ if (err < 0)
+ printk(KERN_WARNING "asoc: failed to add codec sysfs entries\n");
++ err = device_create_file(socdev->dev, &dev_attr_codec_reg_write);
++ if (err < 0)
++ printk(KERN_WARNING "asoc: failed to add codec sysfs entries\n");
+ out:
+ mutex_unlock(&codec->mutex);
+ return ret;
+--
+1.5.6.5
+