linux-kernel - [PATCH v4 2/2] USB: quirks: Apply ALWAYS

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Date:	Tue, 24 Nov 2015 16:02:05 +0100
From:	Adrien Vergé <adrienverge@...il.com>
To:	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	Oliver Neukum <oneukum@...e.com>,
	Jiri Kosina <jikos@...nel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Logan Gunthorpe <logang@...tatee.com>,
	Hans de Goede <hdegoede@...hat.com>,
	Vincent Palatin <vpalatin@...omium.org>,
	Adrien Vergé <adrienverge@...il.com>,
	Macpaul Lin <macpaul@...il.com>,
	Adel Gadllah <adel.gadllah@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: [PATCH v4 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices

All ELAN hid devices seem to require the ALWAYS_POLL quirk. Let's use
this quirk for all devices from this vendor, rather than maintaining a
list of all its known product IDs.

Tested-by: Adrien Vergé <adrienverge@...il.com>
Signed-off-by: Adrien Vergé <adrienverge@...il.com>
---
 drivers/hid/hid-ids.h           | 5 -----
 drivers/hid/usbhid/hid-quirks.c | 9 +++------
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index ac1feea..3c7e0c3 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -316,11 +316,6 @@
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001	0xa001
 
 #define USB_VENDOR_ID_ELAN		0x04f3
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN	0x0089
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B	0x009b
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103	0x0103
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c	0x010c
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F	0x016f
 
 #define USB_VENDOR_ID_ELECOM		0x056e
 #define USB_DEVICE_ID_ELECOM_BM084	0x0061
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 94bb137..b1af008 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -72,11 +72,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F, HID_QUIRK_ALWAYS_POLL },
+	{ USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
@@ -339,7 +335,8 @@ static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor,
 
 	for (; hid_blacklist[n].idVendor; n++)
 		if (hid_blacklist[n].idVendor == idVendor &&
-				hid_blacklist[n].idProduct == idProduct)
+			(hid_blacklist[n].idProduct == HID_ANY_ID ||
+				hid_blacklist[n].idProduct == idProduct))
 			bl_entry = &hid_blacklist[n];
 
 	if (bl_entry != NULL)
-- 
2.4.3

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