From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Fri, 14 Dec 2018 10:00:49 +0000 (+0100)
Subject: Revert "Bluetooth: hci_bcm: Treat Interrupt ACPI resources as always being active... 
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f21c11b7636ffe7aa6f3af722520fae660be80a;p=platform%2Fkernel%2Flinux-exynos.git

Revert "Bluetooth: hci_bcm: Treat Interrupt ACPI resources as always being active-low"

This reverts commit 9e483bc229f54ecfdd87f630d9b265c3223e3671.
---

diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 32527bdf4b50..73d2d88ddc03 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -694,6 +694,22 @@ static const struct acpi_gpio_mapping acpi_bcm_int_first_gpios[] = {
 #ifdef CONFIG_ACPI
 /* IRQ polarity of some chipsets are not defined correctly in ACPI table. */
 static const struct dmi_system_id bcm_active_low_irq_dmi_table[] = {
+	{
+		.ident = "Asus T100TA",
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR,
+					"ASUSTeK COMPUTER INC."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+		},
+	},
+	{
+		.ident = "Asus T100CHI",
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR,
+					"ASUSTeK COMPUTER INC."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100CHI"),
+		},
+	},
 	{	/* Handle ThinkPad 8 tablets with BCM2E55 chipset ACPI ID */
 		.ident = "Lenovo ThinkPad 8",
 		.matches = {
@@ -714,9 +730,7 @@ static int bcm_resource(struct acpi_resource *ares, void *data)
 	switch (ares->type) {
 	case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
 		irq = &ares->data.extended_irq;
-		if (irq->polarity != ACPI_ACTIVE_LOW)
-			dev_info(&dev->pdev->dev, "ACPI Interrupt resource is active-high, this is usually wrong, treating the IRQ as active-low\n");
-		dev->irq_active_low = true;
+		dev->irq_active_low = irq->polarity == ACPI_ACTIVE_LOW;
 		break;
 
 	case ACPI_RESOURCE_TYPE_GPIO: