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Commit 7d280eee authored by Subbaraman Narayanamurthy's avatar Subbaraman Narayanamurthy
Browse files

power: qpnp-fg-gen4: Add qcom,fg-sys-min-voltage property 



Add qcom,fg-sys-min-voltage property to specify the system
minimum voltage property so that it can be used to calculate the
available power.

Change-Id: I4d6872ee086ccd4972e68233bb5b54ec57342a76
Signed-off-by: default avatarSubbaraman Narayanamurthy <subbaram@codeaurora.org>
parent 387802fb

drivers/power/supply/qcom/qpnp-fg-gen4.c

+7 −1
Original line number Diff line number Diff line
@@ -192,6 +192,7 @@ struct fg_dt_props { 
	bool	soc_hi_res;

	int	cutoff_volt_mv;

	int	empty_volt_mv;

	int	sys_min_volt_mv;

	int	cutoff_curr_ma;

	int	sys_term_curr_ma;

	int	delta_soc_thr;
@@ -915,7 +916,7 @@ static int fg_gen4_get_power(struct fg_gen4_chip *chip, int *val, bool average) 
	if (rc < 0)

		return rc;



	v_min = chip->dt.cutoff_volt_mv * 1000;

	v_min = chip->dt.sys_min_volt_mv * 1000;

	power = (s64)v_min * (v_pred - v_min);



	rc = fg_get_sram_prop(fg, FG_SRAM_ESR, &esr_uohms);
@@ -4753,6 +4754,7 @@ static void fg_gen4_parse_batt_temp_dt(struct fg_gen4_chip *chip) 


#define DEFAULT_CUTOFF_VOLT_MV		3100

#define DEFAULT_EMPTY_VOLT_MV		2812

#define DEFAULT_SYS_MIN_VOLT_MV		2800

#define DEFAULT_SYS_TERM_CURR_MA	-125

#define DEFAULT_CUTOFF_CURR_MA		200

#define DEFAULT_DELTA_SOC_THR		5	/* 0.5 % */
@@ -5022,6 +5024,10 @@ static int fg_gen4_parse_dt(struct fg_gen4_chip *chip) 
	chip->dt.multi_profile_load = of_property_read_bool(node,

					"qcom,multi-profile-load");

	chip->dt.soc_hi_res = of_property_read_bool(node, "qcom,soc-hi-res");



	chip->dt.sys_min_volt_mv = DEFAULT_SYS_MIN_VOLT_MV;

	of_property_read_u32(node, "qcom,fg-sys-min-voltage",

				&chip->dt.sys_min_volt_mv);

	return 0;

}