Commit 90d259ed authored Apr 06, 2020 by Anirudh Ghayal Committed by Gerrit - the friendly Code Review server Apr 06, 2020

power: qpnp-qg: Report instantaneous-IBAT if averaged-IBAT is not ready



The averaged-IBAT holds the reset value 0x8000 (which corresponds to
5A/10A max supported QG current) if its read before the fist-ever fifo
is complete. In such a case report the instantaneous IBAT.

Change-Id: I65b3c93ad2cb54d82356907c809c70b0414036d1
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>

parent b8e1fe0e

drivers/power/supply/qcom/qg-util.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -450,6 +450,15 @@ int qg_get_ibat_avg(struct qpnp_qg chip, int ibat_ua)
		return rc;
		}

		if (last_ibat == FIFO_I_RESET_VAL) {
		/* First FIFO is not complete, read instantaneous IBAT */
		rc = qg_get_battery_current(chip, ibat_ua);
		if (rc < 0)
		pr_err("Failed to read inst. IBAT rc=%d\n", rc);

		return rc;
		}

		last_ibat = sign_extend32(last_ibat, 15);
		*ibat_ua = qg_iraw_to_ua(chip, last_ibat);