[PATCH] HID: wacom: Add Dell Latitude 7275 battery quirk

["Jérôme de Bretagne" <jerome.debretagne@gmail.com>]

The Wacom touchscreen/digitizer in the Dell Latitude 7275
mistakenly reports having a battery, add a quirk to ignore it.

Signed-off-by: Jérôme de Bretagne <jerome.debretagne@gmail.com>
Tested-by: Jérôme de Bretagne <jerome.debretagne@gmail.com>
---
 drivers/hid/wacom_wac.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 81ba642adcb7..4d4503cbe308 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -3574,6 +3574,13 @@ void wacom_setup_device_quirks(struct wacom *wacom)
 		__clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
 		__clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
 	}
+
+	/*
+	 * The Wacom touchscreen/digitizer in the Dell Latitude 7275 mistakenly
+	 * reports having a battery, let's ignore it.
+	 */
+	if (wacom->hdev->product == 0x4804)
+		features->quirks &= ~WACOM_QUIRK_BATTERY;
 }
 
 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
-- 
2.30.2