Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3a0d1730 authored by Subbaraman Narayanamurthy's avatar Subbaraman Narayanamurthy
Browse files

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



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: default avatarSubbaraman Narayanamurthy <subbaram@codeaurora.org>
parent d6dc4db1

drivers/power/supply/qcom/qpnp-fg-gen3.c

+34 −21
Original line number Diff line number Diff line
@@ -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,