linux-kernel - [PATCH AUTOSEL for 4.9 178/293] Bluetooth: hci_bcm: Add active

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Date:   Mon, 9 Apr 2018 00:25:14 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Hans de Goede <hdegoede@...hat.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL for 4.9 178/293] Bluetooth: hci_bcm: Add active_low
 irq polarity quirk for Asus T100CHI

From: Hans de Goede <hdegoede@...hat.com>

[ Upstream commit c4c285da1ee18582ace366f07e56e355c20ebc49 ]

Just like the T100TA the host-wake irq on the Asus T100CHI is
active low. Having a quirk for this is actually extra important on the
T100CHI as it ships with a bluetooth keyboard dock, which does not
work properly without this quirk.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 drivers/bluetooth/hci_bcm.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index deed58013555..38daa2dc39e0 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -646,6 +646,15 @@ static const struct dmi_system_id bcm_wrong_irq_dmi_table[] = {
 		},
 		.driver_data = &acpi_active_low,
 	},
+	{
+		.ident = "Asus T100CHI",
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR,
+					"ASUSTeK COMPUTER INC."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100CHI"),
+		},
+		.driver_data = &acpi_active_low,
+	},
 	{	/* Handle ThinkPad 8 tablets with BCM2E55 chipset ACPI ID */
 		.ident = "Lenovo ThinkPad 8",
 		.matches = {
-- 
2.15.1