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regulator: msm_gfx_ldo: Enable CPR sensors in LDO bypass mode

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Enable the configuration which keeps the CPR sensors active
when LDO is in auto-bypass mode. The sensors only stay
bypassed when LDO is regulating.

CRs-Fixed: 1027469
Change-Id: I6b8c2a3fd8fe22a64b6d24c458a7c60641195e45
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
This commit is contained in:
Anirudh Ghayal 2016-05-26 15:19:19 +05:30 • committed by Tirupathi Reddy
parent 9115687acf
commit d1c74c81df
1 changed files with 3 additions and 1 deletions
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4
drivers/regulator/msm_gfx_ldo.c
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@ -45,6 +45,7 @@
#define PWRSWITCH_CTRL_REG 0x1C
#define LDO_CLAMP_IO_BIT BIT(31)
#define CPR_BYPASS_IN_LDO_MODE_BIT BIT(30)
#define EN_LDOAP_CTRL_CPR_BIT BIT(29)
#define PWR_SRC_SEL_BIT BIT(9)
#define ACK_SW_OVR_BIT BIT(8)
#define LDO_PREON_SW_OVR_BIT BIT(7)
@ -967,9 +968,10 @@ static int msm_gfx_ldo_init(struct platform_device *pdev,
/* HW initialization */
/* clear clamp_io */
/* clear clamp_io, enable CPR in auto-bypass*/
ctl = readl_relaxed(ldo_vreg->ldo_base + PWRSWITCH_CTRL_REG);
ctl &= ~LDO_CLAMP_IO_BIT;
ctl |= EN_LDOAP_CTRL_CPR_BIT;
writel_relaxed(ctl, ldo_vreg->ldo_base + PWRSWITCH_CTRL_REG);
i = 0;