evie/android_kernel_oneplus_msm8998
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power: qpnp-fg-gen3: use the CC_STEP and CC_STEP_SEL properties

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Add support for the CC_STEP and CC_STEP_SEL properties in the BMS power
supply. These properties will be used to communicate the future charge
currents for time to full calculations.

Change-Id: I44087b42b31800d1885bdaf1f38815c8756bc9a8
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
This commit is contained in:
Abhijeet Dharmapurikar 2017-07-31 19:27:16 -07:00
parent eb8700f685
commit 3c21390e3c
2 changed files with 44 additions and 0 deletions
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8
drivers/power/supply/qcom/fg-core.h
View file

@ -81,6 +81,8 @@
#define BATT_THERM_NUM_COEFFS 3
#define MAX_CC_STEPS 20
/* Debug flag definitions */
enum fg_debug_flag {
FG_IRQ = BIT(0), /* Show interrupts */
@ -314,6 +316,11 @@ struct fg_circ_buf {
int head;
};
struct fg_cc_step_data {
int arr[MAX_CC_STEPS];
int sel;
};
struct fg_pt {
s32 x;
s32 y;
@ -374,6 +381,7 @@ struct fg_chip {
struct fg_cyc_ctr_data cyc_ctr;
struct notifier_block nb;
struct fg_cap_learning cl;
struct fg_cc_step_data cc_step;
struct mutex bus_lock;
struct mutex sram_rw_lock;
struct mutex batt_avg_lock;

36
drivers/power/supply/qcom/qpnp-fg-gen3.c
View file

@ -3193,6 +3193,19 @@ static int fg_psy_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
rc = fg_get_sram_prop(chip, FG_SRAM_VBATT_FULL, &pval->intval);
break;
case POWER_SUPPLY_PROP_CC_STEP:
if ((chip->cc_step.sel >= 0) &&
(chip->cc_step.sel < MAX_CC_STEPS)) {
pval->intval = chip->cc_step.arr[chip->cc_step.sel];
} else {
pr_err("cc_step_sel is out of bounds [0, %d]\n",
chip->cc_step.sel);
return -EINVAL;
}
break;
case POWER_SUPPLY_PROP_CC_STEP_SEL:
pval->intval = chip->cc_step.sel;
break;
default:
pr_err("unsupported property %d\n", psp);
rc = -EINVAL;
@ -3231,6 +3244,25 @@ static int fg_psy_set_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_CHARGE_QNOVO_ENABLE:
rc = fg_prepare_for_qnovo(chip, pval->intval);
break;
case POWER_SUPPLY_PROP_CC_STEP:
if ((chip->cc_step.sel >= 0) &&
(chip->cc_step.sel < MAX_CC_STEPS)) {
chip->cc_step.arr[chip->cc_step.sel] = pval->intval;
} else {
pr_err("cc_step_sel is out of bounds [0, %d]\n",
chip->cc_step.sel);
return -EINVAL;
}
break;
case POWER_SUPPLY_PROP_CC_STEP_SEL:
if ((pval->intval >= 0) && (pval->intval < MAX_CC_STEPS)) {
chip->cc_step.sel = pval->intval;
} else {
pr_err("cc_step_sel is out of bounds [0, %d]\n",
pval->intval);
return -EINVAL;
}
break;
default:
break;
}
@ -3244,6 +3276,8 @@ static int fg_property_is_writeable(struct power_supply *psy,
switch (psp) {
case POWER_SUPPLY_PROP_CYCLE_COUNT_ID:
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
case POWER_SUPPLY_PROP_CC_STEP:
case POWER_SUPPLY_PROP_CC_STEP_SEL:
return 1;
default:
break;
@ -3304,6 +3338,8 @@ static enum power_supply_property fg_psy_props[] = {
POWER_SUPPLY_PROP_SOC_REPORTING_READY,
POWER_SUPPLY_PROP_DEBUG_BATTERY,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
POWER_SUPPLY_PROP_CC_STEP,
POWER_SUPPLY_PROP_CC_STEP_SEL,
};
static const struct power_supply_desc fg_psy_desc = {