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Commit b74c6d18 authored by Anirudh Ghayal's avatar Anirudh Ghayal Committed by Ashay Jaiswal
Browse files

power: qpnp-smbcharger: Add a workaround for USB100 on PMI8950 v2.0 



During battery-hot conditions on PMI8950 v2.0 the IUSB=100mA
drops to 0mA. Fix this by forcing 150mA instead of 100mA.

CRs-Fixed: 865824
Change-Id: Ibb3b11310baa45235f5c9837d2a10ce6917e80f8
Signed-off-by: default avatarAnirudh Ghayal <aghayal@codeaurora.org>
parent 84c39c23

drivers/power/qpnp-smbcharger.c

+10 −3
Original line number Diff line number Diff line
@@ -264,6 +264,7 @@ enum pmic_subtype { 
enum smbchg_wa {

	SMBCHG_AICL_DEGLITCH_WA = BIT(0),

	SMBCHG_HVDCP_9V_EN_WA	= BIT(1),

	SMBCHG_USB100_WA = BIT(2),

};



enum print_reason {
@@ -1420,6 +1421,10 @@ static int smbchg_set_usb_current_max(struct smbchg_chip *chip, 


	switch (usb_supply_type) {

	case POWER_SUPPLY_TYPE_USB:

		if ((current_ma < CURRENT_150_MA) &&

				(chip->wa_flags & SMBCHG_USB100_WA))

			current_ma = CURRENT_150_MA;



		if (current_ma < CURRENT_150_MA) {

			/* force 100mA */

			rc = smbchg_sec_masked_write(chip,
@@ -6629,10 +6634,12 @@ static int smbchg_wa_config(struct smbchg_chip *chip) 
	case PMI8994:

		chip->wa_flags |= SMBCHG_AICL_DEGLITCH_WA;

	case PMI8950:

		if (pmic_rev_id->rev4 < 2) /* PMI8950 1.0 */

		if (pmic_rev_id->rev4 < 2) /* PMI8950 1.0 */ {

			chip->wa_flags |= SMBCHG_AICL_DEGLITCH_WA;

		else	/* rev > PMI8950 v1.0 */

			chip->wa_flags |= SMBCHG_HVDCP_9V_EN_WA;

		} else	{ /* rev > PMI8950 v1.0 */

			chip->wa_flags |= SMBCHG_HVDCP_9V_EN_WA

					| SMBCHG_USB100_WA;

		}

		break;

	default:

		pr_err("PMIC subtype %d not supported, WA flags not set\n",