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From: Seth Miller <miller.seth@gmail.com>
To: linux-input@vger.kernel.org
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>,
	Jiri Kosina <jikos@kernel.org>
Subject: [PATCH] HID: Ignore battery for Elan touchscreen on ASUS UX550
Date: Mon, 4 Jan 2021 22:58:12 -0600	[thread overview]
Message-ID: <CAMh5ckdy=z8j7X5BXLtpnOz2-Ha7MZqN-DvJS0e1w4CdiLJ4EQ@mail.gmail.com> (raw)

Battery status is being reported for the Elan touchscreen on ASUS
UX550 laptops despite not having a batter. It always shows either 0 or
1%.

Signed-off-by: Seth Miller <miller.seth@gmail.com>
---
 drivers/hid/hid-ids.h   | 1 +
 drivers/hid/hid-input.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 4c5f23640f9c..5ba0aa1d2335 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -389,6 +389,7 @@
 #define USB_DEVICE_ID_TOSHIBA_CLICK_L9W        0x0401
 #define USB_DEVICE_ID_HP_X2            0x074d
 #define USB_DEVICE_ID_HP_X2_10_COVER   0x0755
+#define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN   0x2706

 #define USB_VENDOR_ID_ELECOM           0x056e
 #define USB_DEVICE_ID_ELECOM_BM084     0x0061
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index dc7f6b4a775c..f23027d2795b 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -322,6 +322,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH,
                USB_DEVICE_ID_LOGITECH_DINOVO_EDGE_KBD),
          HID_BATTERY_QUIRK_IGNORE },
+       { HID_USB_DEVICE(USB_VENDOR_ID_ELAN,
USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN),
+         HID_BATTERY_QUIRK_IGNORE },
        {}
 };

-- 
2.29.2

             reply	other threads:[~2021-01-05  4:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-05  4:58 Seth Miller [this message]
2021-01-08 14:53 ` [PATCH] HID: Ignore battery for Elan touchscreen on ASUS UX550 Jiri Kosina
2021-01-08 15:41   ` Seth Miller
2021-01-08 15:53     ` Jiri Kosina
2021-01-08 17:13       ` Seth Miller

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