shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

rk3288:rk808:get dc1\2 voltage when power off and reboot

Browse Source
This commit is contained in:
张晴
2014-05-04 14:24:30 +08:00
parent a2f2439493
commit 95495c4c3c
1 changed files with 20 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/mfd/rk808.c
View File

@@ -1111,7 +1111,24 @@ static struct rk808_board *rk808_parse_dt(struct i2c_client *i2c)
return NULL;
}
#endif
static int rk808_shutdown(void)
{
int ret,i,val;
u16 reg = 0;
struct rk808 *rk808 = g_rk808;
printk("%s\n",__func__);
/***************get dc1\dc2 voltage *********************/
for(i=0;i<2;i++){
reg = rk808_reg_read(rk808,rk808_BUCK_SET_VOL_REG(i));
reg &= BUCK_VOL_MASK;
val = 700000 + reg * 12500;
printk("%s,line=%d dc[%d]= %d\n", __func__,__LINE__,(i+1),val);
}
/*****************************************************/
return 0;
}
EXPORT_SYMBOL_GPL(rk808_shutdown);
static int rk808_device_shutdown(void)
{
@@ -1121,14 +1138,7 @@ static int rk808_device_shutdown(void)
struct rk808 *rk808 = g_rk808;
printk("%s\n",__func__);
/***************get dc0\dc1 voltage *********************/
for(i=0;i<2;i++){
reg = rk808_reg_read(rk808,rk808_BUCK_SET_VOL_REG(i));
reg &= BUCK_VOL_MASK;
val = 700000 + reg * 12500;
printk("%s,line=%d dc[%d]= %d\n", __func__,__LINE__,i,val);
}
/*****************************************************/
ret = rk808_set_bits(rk808, RK808_INT_STS_MSK_REG1,(0x3<<5),(0x3<<5)); //close rtc int when power off
ret = rk808_clear_bits(rk808, RK808_RTC_INT_REG,(0x3<<2)); //close rtc int when power off
ret = rk808_reg_read(rk808,RK808_DEVCTRL_REG);
@@ -1503,6 +1513,7 @@ static struct i2c_driver rk808_i2c_driver = {
.probe = rk808_i2c_probe,
.remove = rk808_i2c_remove,
.id_table = rk808_i2c_id,
.shutdown = rk808_shutdown,
#ifdef CONFIG_PM
.suspend = rk808_suspend,
.resume = rk808_resume,