linux-kernel - [PATCH 4.6 19/31] usb: quirks: Add no-lpm quirk for Acer C120 LED Projector

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Date:	Wed,  6 Jul 2016 18:19:09 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>
Subject: [PATCH 4.6 19/31] usb: quirks: Add no-lpm quirk for Acer C120 LED Projector

4.6-stable review patch.  If anyone has any objections, please let me know.

------------------

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

commit 32cb0b37098f4beeff5ad9e325f11b42a6ede56c upstream.

The Acer C120 LED Projector is a USB-3 connected pico projector which
takes both its power and video data from USB-3.

In combination with some hubs this device does not play well with
lpm, so disable lpm for it.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/core/quirks.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -199,6 +199,9 @@ static const struct usb_device_id usb_qu
 	{ USB_DEVICE(0x1a0a, 0x0200), .driver_info =
 			USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 
+	/* Acer C120 LED Projector */
+	{ USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* Blackmagic Design Intensity Shuttle */
 	{ USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },