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Commit f8547062 authored by Ke Liu's avatar Ke Liu
Browse files

msm: cpr-regulator: remove maxmize and restore down threshold 



Maximum downthreshold hinders the cpr triggering interrupts.

Change-Id: Iaf72f84d51f61dc6f5799aaa7ecf3bb5b8aac246
Signed-off-by: default avatarKe Liu <keliu@codeaurora.org>
parent d6e87cbf

arch/arm/mach-msm/cpr-regulator.c

+5 −14
Original line number Diff line number Diff line
@@ -583,13 +583,9 @@ static void cpr_scale(struct cpr_regulator *cpr_vreg, 
		}

		cpr_vreg->last_volt[corner] = new_volt;



		/* Restore default threshold for DOWN */

		reg_mask = RBCPR_CTL_DN_THRESHOLD_MASK <<

				RBCPR_CTL_DN_THRESHOLD_SHIFT;

		reg_val = cpr_vreg->down_threshold <<

				RBCPR_CTL_DN_THRESHOLD_SHIFT;

		/* and disable auto nack down */

		reg_mask |= RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;

		/* Disable auto nack down */

		reg_mask = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;

		reg_val = 0;



		cpr_ctl_modify(cpr_vreg, reg_mask, reg_val);
@@ -611,14 +607,9 @@ static void cpr_scale(struct cpr_regulator *cpr_vreg, 
				      cpr_vreg->floor_volt[corner]);

			cpr_irq_clr_nack(cpr_vreg);



			/* Maximize the DOWN threshold */

			reg_mask = RBCPR_CTL_DN_THRESHOLD_MASK <<

					RBCPR_CTL_DN_THRESHOLD_SHIFT;

			reg_val = reg_mask;



			/* Enable auto nack down */

			reg_mask |= RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;

			reg_val |= RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;

			reg_mask = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;

			reg_val = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;



			cpr_ctl_modify(cpr_vreg, reg_mask, reg_val);