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qcom: qpnp-fg-gen3: Reconfigure profile parameters upon battery hotswap

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Currently, we configure battery profile parameters during bootup
and they're not configured again during battery hotswap. Fix
this by configuring those parameters after getting it from the
device tree.

Change-Id: I43c5c9cdc6dfc12751ae0a67faee59aacf4326dc
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
This commit is contained in:
Subbaraman Narayanamurthy 2017-03-27 14:05:51 -07:00
parent 493821b72c
commit 0356676d7d
1 changed files with 34 additions and 21 deletions
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55
drivers/power/supply/qcom/qpnp-fg-gen3.c
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@ -2189,6 +2189,35 @@ static int fg_get_cycle_count(struct fg_chip *chip)
return count;
}
static int fg_bp_params_config(struct fg_chip *chip)
{
int rc = 0;
u8 buf;
/* This SRAM register is only present in v2.0 and above */
if (!(chip->wa_flags & PMI8998_V1_REV_WA) &&
chip->bp.float_volt_uv > 0) {
fg_encode(chip->sp, FG_SRAM_FLOAT_VOLT,
chip->bp.float_volt_uv / 1000, &buf);
rc = fg_sram_write(chip, chip->sp[FG_SRAM_FLOAT_VOLT].addr_word,
chip->sp[FG_SRAM_FLOAT_VOLT].addr_byte, &buf,
chip->sp[FG_SRAM_FLOAT_VOLT].len, FG_IMA_DEFAULT);
if (rc < 0) {
pr_err("Error in writing float_volt, rc=%d\n", rc);
return rc;
}
}
if (chip->bp.vbatt_full_mv > 0) {
rc = fg_set_constant_chg_voltage(chip,
chip->bp.vbatt_full_mv * 1000);
if (rc < 0)
return rc;
}
return rc;
}
#define PROFILE_LOAD_BIT BIT(0)
#define BOOTLOADER_LOAD_BIT BIT(1)
#define BOOTLOADER_RESTART_BIT BIT(2)
@ -2367,6 +2396,11 @@ static void profile_load_work(struct work_struct *work)
}
done:
rc = fg_bp_params_config(chip);
if (rc < 0)
pr_err("Error in configuring battery profile params, rc:%d\n",
rc);
rc = fg_sram_read(chip, NOM_CAP_WORD, NOM_CAP_OFFSET, buf, 2,
FG_IMA_DEFAULT);
if (rc < 0) {
@ -3018,27 +3052,6 @@ static int fg_hw_init(struct fg_chip *chip)
return rc;
}
/* This SRAM register is only present in v2.0 and above */
if (!(chip->wa_flags & PMI8998_V1_REV_WA) &&
chip->bp.float_volt_uv > 0) {
fg_encode(chip->sp, FG_SRAM_FLOAT_VOLT,
chip->bp.float_volt_uv / 1000, buf);
rc = fg_sram_write(chip, chip->sp[FG_SRAM_FLOAT_VOLT].addr_word,
chip->sp[FG_SRAM_FLOAT_VOLT].addr_byte, buf,
chip->sp[FG_SRAM_FLOAT_VOLT].len, FG_IMA_DEFAULT);
if (rc < 0) {
pr_err("Error in writing float_volt, rc=%d\n", rc);
return rc;
}
}
if (chip->bp.vbatt_full_mv > 0) {
rc = fg_set_constant_chg_voltage(chip,
chip->bp.vbatt_full_mv * 1000);
if (rc < 0)
return rc;
}
fg_encode(chip->sp, FG_SRAM_CHG_TERM_CURR, chip->dt.chg_term_curr_ma,
buf);
rc = fg_sram_write(chip, chip->sp[FG_SRAM_CHG_TERM_CURR].addr_word,