power: supply: axp288_charger: Support 3500 and 4000 mA input current limit

The AXP288 supports an input-current-limit of up to 4000 mA, this
commit adds support for the 3500 and 4000 mA settings which were
missing until now.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>

drivers/power/supply/axp288_charger.c

@@ -88,6 +88,8 @@
 #define CHRG_VBUS_ILIM_2000MA		0x4	/* 2000mA */
 #define CHRG_VBUS_ILIM_2500MA		0x5	/* 2500mA */
 #define CHRG_VBUS_ILIM_3000MA		0x6	/* 3000mA */
+#define CHRG_VBUS_ILIM_3500MA		0x7	/* 3500mA */
+#define CHRG_VBUS_ILIM_4000MA		0x8	/* 4000mA */
 
 #define CHRG_VLTFC_0C			0xA5	/* 0 DegC */
 #define CHRG_VHTFC_45C			0x1F	/* 45 DegC */
@@ -223,9 +225,11 @@ static int axp288_charger_get_vbus_inlmt(struct axp288_chrg_info *info)
 		return 2500000;
 	case CHRG_VBUS_ILIM_3000MA:
 		return 3000000;
+	case CHRG_VBUS_ILIM_3500MA:
+		return 3500000;
 	default:
-		dev_warn(&info->pdev->dev, "Unknown ilim reg val: %d\n", val);
-		return 0;
+		/* All b1xxx values map to 4000 mA */
+		return 4000000;
 	}
 }
 
@@ -235,7 +239,11 @@ static inline int axp288_charger_set_vbus_inlmt(struct axp288_chrg_info *info,
 	int ret;
 	u8 reg_val;
 
-	if (inlmt >= 3000000)
+	if (inlmt >= 4000000)
+		reg_val = CHRG_VBUS_ILIM_4000MA << CHRG_VBUS_ILIM_BIT_POS;
+	else if (inlmt >= 3500000)
+		reg_val = CHRG_VBUS_ILIM_3500MA << CHRG_VBUS_ILIM_BIT_POS;
+	else if (inlmt >= 3000000)
 		reg_val = CHRG_VBUS_ILIM_3000MA << CHRG_VBUS_ILIM_BIT_POS;
 	else if (inlmt >= 2500000)
 		reg_val = CHRG_VBUS_ILIM_2500MA << CHRG_VBUS_ILIM_BIT_POS;