diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1155-introduce-pcf50633-resume-dependency-list.patch.patch')
| -rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1155-introduce-pcf50633-resume-dependency-list.patch.patch | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1155-introduce-pcf50633-resume-dependency-list.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1155-introduce-pcf50633-resume-dependency-list.patch.patch new file mode 100755 index 0000000..a02b1a0 --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.26/1155-introduce-pcf50633-resume-dependency-list.patch.patch @@ -0,0 +1,116 @@ +From 897069d6ec20d26b29e4f71264e2c68de8a93053 Mon Sep 17 00:00:00 2001 +From: Andy Green <andy@openmoko.com> +Date: Fri, 25 Jul 2008 23:06:11 +0100 +Subject: [PATCH] introduce-pcf50633-resume-dependency-list.patch + +Adds resume dependency support to pcf50633 + +Signed-off-by: Andy Green <andy@openmoko.com> +--- + drivers/i2c/chips/pcf50633.c | 26 ++++++++++++++++++++++++-- + include/linux/pcf50633.h | 6 ++++++ + 2 files changed, 30 insertions(+), 2 deletions(-) + +diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c +index 38cabd2..e477cd7 100644 +--- a/drivers/i2c/chips/pcf50633.c ++++ b/drivers/i2c/chips/pcf50633.c +@@ -53,6 +53,7 @@ + #include <asm/arch/gta02.h> + + #include "pcf50633.h" ++#include <linux/resume-dependency.h> + + #if 1 + #define DEBUGP(x, args ...) printk("%s: " x, __FUNCTION__, ## args) +@@ -167,6 +168,9 @@ struct pcf50633_data { + u_int8_t ena; + } ldo[__NUM_PCF50633_REGS]; + } standby_regs; ++ ++ struct resume_dependency resume_dependency; ++ + #endif + }; + +@@ -1924,6 +1928,8 @@ static int pcf50633_detect(struct i2c_adapter *adapter, int address, int kind) + + pcf50633_global = data; + ++ init_resume_dependency_list(data->resume_dependency); ++ + populate_sysfs_group(data); + + err = sysfs_create_group(&new_client->dev.kobj, &pcf_attr_group); +@@ -2132,6 +2138,17 @@ int pcf50633_report_resumers(struct pcf50633_data *pcf, char *buf) + + #ifdef CONFIG_PM + ++/* ++ * we need to export this because pcf50633_data is kept opaque ++ */ ++ ++void pcf50633_register_resume_dependency(struct pcf50633_data *pcf, ++ struct pcf50633_resume_dependency *dep) ++{ ++ register_resume_dependency(pcf->resume_dependency, dep); ++} ++EXPORT_SYMBOL_GPL(pcf50633_register_resume_dep); ++ + + static int pcf50633_suspend(struct device *dev, pm_message_t state) + { +@@ -2223,8 +2240,11 @@ static int pcf50633_resume(struct device *dev) + struct i2c_client *client = to_i2c_client(dev); + struct pcf50633_data *pcf = i2c_get_clientdata(client); + int i; ++ struct list_head *pos, *q; ++ struct pcf50633_resume_dependency *dep; ++ + +- /* mutex_lock(&pcf->lock); */ /* resume in atomic context */ ++ mutex_lock(&pcf->lock); + + __reg_write(pcf, PCF50633_REG_LEDENA, 0x01); + +@@ -2263,10 +2283,12 @@ static int pcf50633_resume(struct device *dev) + __reg_write(pcf, reg_out+1, pcf->standby_regs.ldo[i].ena); + } + +- /* mutex_unlock(&pcf->lock); */ /* resume in atomic context */ ++ mutex_unlock(&pcf->lock); + + pcf50633_irq(pcf->irq, pcf); + ++ callback_all_resume_dependencies(pcf->resume_dependency); ++ + return 0; + } + #else +diff --git a/include/linux/pcf50633.h b/include/linux/pcf50633.h +index c0fdbe8..2bef616 100644 +--- a/include/linux/pcf50633.h ++++ b/include/linux/pcf50633.h +@@ -2,6 +2,7 @@ + #define _LINUX_PCF50633_H + + #include <linux/pcf506xx.h> ++#include <linux/resume-dependency.h> + + + /* public in-kernel pcf50633 api */ +@@ -124,6 +125,11 @@ pcf50633_battvolt(struct pcf50633_data *pcf); + extern int + pcf50633_report_resumers(struct pcf50633_data *pcf, char *buf); + ++extern void ++pcf50633_register_resume_dependency(struct pcf50633_data *pcf, ++ struct pcf50633_resume_dependency *dep); ++ ++ + #define PCF50633_FEAT_EXTON 0x00000001 /* not yet supported */ + #define PCF50633_FEAT_MBC 0x00000002 + #define PCF50633_FEAT_BBC 0x00000004 /* not yet supported */ +-- +1.5.6.3 + |