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save the value of ui_full to the A2 register

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The value of ui_full will be lost after reboot,
so save the value of ui_full to the 0xA2 register.

Change-Id: Ib183f9ee745e8e91207f5dd0763729845573ec04
Reviewed-on: https://gerrit.mot.com/2612156
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Wentao Xu <xuwt2@motorola.com>
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
litong20 2023-05-18 13:45:26 +08:00 • committed by litong
commit 2570e879eb
3 changed files with 57 additions and 5 deletions
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7
drivers/power/cw2217b_fg_mmi/Android.mk
View file

@ -5,4 +5,11 @@ include $(CLEAR_VARS)
LOCAL_MODULE := cw2217b_fg_mmi.ko
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(KERNEL_MODULES_OUT)
ifeq ($(DYNAMIC_UPDATE_UI_FULL),true)
KERNEL_CFLAGS += CONFIG_DYNAMIC_UPDATE_UI_FULL=y
KBUILD_OPTIONS += CONFIG_DYNAMIC_UPDATE_UI_FULL=y
endif
KBUILD_OPTIONS_GKI += GKI_OBJ_MODULE_DIR=gki
include $(DLKM_DIR)/AndroidKernelModule.mk

4
drivers/power/cw2217b_fg_mmi/Kbuild
View file

@ -3,5 +3,9 @@ EXTRA_CFLAGS += -Wall
EXTRA_CFLAGS += -I$(ANDROID_BUILD_TOP)/motorola/kernel/modules/include
EXTRA_CFLAGS += -I$(ANDROID_BUILD_TOP)/motorola/kernel/drivers/power/cw2217b_fg_mmi
ifneq ($(filter m y,$(CONFIG_DYNAMIC_UPDATE_UI_FULL)),)
EXTRA_CFLAGS += -DDYNAMIC_UPDATE_UI_FULL
endif
cw2217b_fg_mmi-objs += cw2217B_fuel_gauge_base.o
obj-m += cw2217b_fg_mmi.o

51
drivers/power/cw2217b_fg_mmi/cw2217B_fuel_gauge_base.c
View file

@ -342,7 +342,7 @@ static int cw_get_voltage(struct cw_battery *cw_bat)
#define MAX_VAL( x, y ) ( ((x) > (y)) ? (x) : (y) )
#endif
#ifdef SUPPORT_DYNAMIC_UPDATE_UI_FULL
#ifdef DYNAMIC_UPDATE_UI_FULL
#define TIMER_INTERVALS 1000 * 60 /* unit:ms */
static bool jiffies_timer_expire(bool clear_flag) {
unsigned long cur_jiffies = jiffies;
@ -367,6 +367,42 @@ static bool jiffies_timer_expire(bool clear_flag) {
}
return ret;
}
static int cw_set_ui_full(struct cw_battery *cw_bat, int ui_full)
{
int i, ret = 0;
int retry = 3;
unsigned char reg_val = ui_full;
for (i = 0; i < retry; i++) {
ret = cw_write(cw_bat->client, REG_USER_CONF, &reg_val);
if (ret < 0) {
msleep(CW_SLEEP_10MS);
cw_printk("failed to write ui_full to reg, retry = %d", i);
} else {
cw_printk("success save ui_full %d to reg", ui_full);
break;
}
}
return ret;
}
static int cw_get_ui_full(struct cw_battery *cw_bat, int *ui_full) {
int i, ret = 0;
int retry = 3;
unsigned char reg_val;
for (i = 0; i < retry; i++) {
ret = cw_read(cw_bat->client, REG_USER_CONF, &reg_val);
if (ret >= 0 && reg_val <= CW_UI_FULL && reg_val >= cw_bat->ui_full) {
*ui_full = reg_val;
cw_printk("success read ui_full %d from reg", *ui_full);
break;
}
msleep(CW_SLEEP_10MS);
}
return ret;
}
#endif
static int cw_get_capacity(struct cw_battery *cw_bat)
@ -378,7 +414,7 @@ static int cw_get_capacity(struct cw_battery *cw_bat)
int ui_soc;
int remainder;
int chr_st_now = 0;// 0 discharge, 1 charging;
#ifndef SUPPORT_DYNAMIC_UPDATE_UI_FULL
#ifndef DYNAMIC_UPDATE_UI_FULL
int ui_100 = cw_bat->ui_full;
#else
static int ui_full_pre = 0;
@ -397,14 +433,17 @@ static int cw_get_capacity(struct cw_battery *cw_bat)
soc_l = reg_val[1];
cw_bat->raw_soc = soc_h;
#ifndef SUPPORT_DYNAMIC_UPDATE_UI_FULL
#ifndef DYNAMIC_UPDATE_UI_FULL
ui_soc = ((soc_h * 256 + soc_l) * 100)/ (ui_100 * 256);
remainder = (((soc_h * 256 + soc_l) * 100 * 100) / (ui_100 * 256)) % 100;
#else
if (ui_full_pre == 0) {
ui_full_pre = (soc_h * 256 + soc_l) / 256;
if (ui_full_pre < cw_bat->ui_full)
ret = cw_get_ui_full(cw_bat, &ui_full_temp);
if (ret < 0 || ui_full_temp == 0) {
ui_full_pre = cw_bat->ui_full;
} else {
ui_full_pre = ui_full_temp;
}
cw_printk("CW2015[%d]: UI_FULL INIT is %d", __LINE__, ui_full_pre);
}
ui_full_temp = ui_full_pre;
@ -413,6 +452,7 @@ static int cw_get_capacity(struct cw_battery *cw_bat)
if (ui_full_temp > cw_bat->ui_full) {
if (jiffies_timer_expire(false)) {
ui_full_temp -= 1;
cw_set_ui_full(cw_bat, ui_full_temp);
cw_printk("CW2015[%d]: UI_FULL-- %d!!!!\n", __LINE__, ui_full_temp);
}
}
@ -422,6 +462,7 @@ static int cw_get_capacity(struct cw_battery *cw_bat)
if ((soc_h * 256 + soc_l) / 256 > ui_full_temp) {
cw_printk("CW2015[%d]: update UI_FULL to %d from %d !!!!\n", __LINE__, (soc_h * 256 + soc_l) / 256, ui_full_temp);
ui_full_temp = (soc_h * 256 + soc_l) / 256;
cw_set_ui_full(cw_bat, ui_full_temp);
}
jiffies_timer_expire(true);
}