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qg: add sdam-magic-number parameter

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add sdam-magic-number parameter to judge if using
the different battery profile. we need clear sdam when
using different battery profile.

Change-Id: I248edf52f767abbadb1934328b88f8048af4a782
Signed-off-by: mahj8 <mahj8@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1549720
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Lu Chai <chailu1@motorola.com>
Reviewed-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
Reviewed-on: https://gerrit.mot.com/1553272
Reviewed-on: https://gerrit.mot.com/1771064
This commit is contained in:
mahj8 2020-05-07 17:52:50 +08:00 • committed by Xiaojun Ji
commit dc8fd61192
2 changed files with 12 additions and 4 deletions
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1
drivers/power/supply/qcom/qg-core.h
View file

@ -21,6 +21,7 @@ struct qg_batt_props {
int vbatt_full_mv;
int fastchg_curr_ma;
int qg_profile_version;
u32 sdam_magic_number;
};
struct qg_irq_info {

15
drivers/power/supply/qcom/qpnp-qg.c
View file

@ -3037,6 +3037,7 @@ static int get_batt_id_ohm(struct qpnp_qg *chip, u32 *batt_id_ohm)
return 0;
}
#define SDAM_MAGIC_NUMBER 0x12345678
static int qg_load_battery_profile(struct qpnp_qg *chip)
{
struct device_node *node = chip->dev->of_node;
@ -3106,6 +3107,13 @@ static int qg_load_battery_profile(struct qpnp_qg *chip)
chip->bp.fastchg_curr_ma = -EINVAL;
}
rc = of_property_read_u32(profile_node, "qcom,sdam-magic-number",
&chip->bp.sdam_magic_number);
if (rc < 0) {
pr_err("Failed to read sdam magic number rc:%d\n", rc);
chip->bp.sdam_magic_number = SDAM_MAGIC_NUMBER;
}
/*
* Update the max fcc values based on QG subtype including
* error margins.
@ -3458,7 +3466,6 @@ static int qg_set_wa_flags(struct qpnp_qg *chip)
return 0;
}
#define SDAM_MAGIC_NUMBER 0x12345678
static int qg_sanitize_sdam(struct qpnp_qg *chip)
{
int rc = 0;
@ -3470,10 +3477,10 @@ static int qg_sanitize_sdam(struct qpnp_qg *chip)
return rc;
}
if (data == SDAM_MAGIC_NUMBER) {
if (data == chip->bp.sdam_magic_number) {
qg_dbg(chip, QG_DEBUG_PON, "SDAM valid\n");
} else if (data == 0) {
rc = qg_sdam_write(SDAM_MAGIC, SDAM_MAGIC_NUMBER);
rc = qg_sdam_write(SDAM_MAGIC, chip->bp.sdam_magic_number);
if (!rc)
qg_dbg(chip, QG_DEBUG_PON, "First boot. SDAM initilized\n");
chip->first_profile_load = true;
@ -3482,7 +3489,7 @@ static int qg_sanitize_sdam(struct qpnp_qg *chip)
rc = qg_sdam_clear();
if (!rc) {
pr_err("SDAM uninitialized, SDAM reset\n");
rc = qg_sdam_write(SDAM_MAGIC, SDAM_MAGIC_NUMBER);
rc = qg_sdam_write(SDAM_MAGIC, chip->bp.sdam_magic_number);
}
chip->first_profile_load = true;
}