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From: "Luke D. Jones" <luke@ljones.dev>
To: linux-input@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, jikos@kernel.org,
	benjamin.tissoires@redhat.com, "Luke D. Jones" <luke@ljones.dev>
Subject: [PATCH] HID: asus: Prevent Claymore sending suspend event
Date: Sat,  7 Aug 2021 14:49:21 +1200	[thread overview]
Message-ID: <20210807024921.26479-1-luke@ljones.dev> (raw)

Prevent the ASUS Claymore keyboard from sending a suspend event
when the device sleeps itself. The suspend event causes a system
suspend if uncaught.

Signed off by: Luke D Jones <luke@ljones.dev>
---
 drivers/hid/hid-asus.c | 15 +++++++++++++++
 drivers/hid/hid-ids.h  |  1 +
 2 files changed, 16 insertions(+)

diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index fca8fc78a78a..9de0129fc3d4 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -82,6 +82,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
 #define QUIRK_T90CHI			BIT(9)
 #define QUIRK_MEDION_E1239T		BIT(10)
 #define QUIRK_ROG_NKEY_KEYBOARD		BIT(11)
+#define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
 
 #define I2C_KEYBOARD_QUIRKS			(QUIRK_FIX_NOTEBOOK_REPORT | \
 						 QUIRK_NO_INIT_REPORTS | \
@@ -366,6 +367,17 @@ static int asus_raw_event(struct hid_device *hdev,
 
 	}
 
+	if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) {
+		/*
+		 * CLAYMORE II keyboard sends this packet when it goes to sleep
+		 * this causes the whole system to go into suspend.
+		*/
+
+		if(size == 2 && data[0] == 0x02 && data[1] == 0x00) {
+			return -1;
+		}
+	}
+
 	return 0;
 }
 
@@ -1228,6 +1240,9 @@ static const struct hid_device_id asus_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
 	    USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
 	  QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+	    USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
+	  QUIRK_ROG_CLAYMORE_II_KEYBOARD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
 		USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
 	  QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index b84a0a11e05b..c5d5e6f269a0 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -197,6 +197,7 @@
 #define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3 0x1822
 #define USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD	0x1866
 #define USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2	0x19b6
+#define USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD	0x196b
 #define USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD	0x1869
 
 #define USB_VENDOR_ID_ATEN		0x0557
-- 
2.31.1


             reply	other threads:[~2021-08-07  2:49 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-07  2:49 Luke D. Jones [this message]
2021-08-20 12:50 ` [PATCH] HID: asus: Prevent Claymore sending suspend event Jiri Kosina

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