From 3a47fa7b14c7d9613909a844aba27f99d3c58634 Mon Sep 17 00:00:00 2001 From: Steev Klimaszewski Date: Thu, 18 Aug 2022 21:39:24 -0500 Subject: [PATCH] HID: add Lenovo Yoga C630 battery quirk Similar to the Surface Go devices, the Elantech touchscreen/digitizer in the Lenovo Yoga C630 mistakenly reports the battery of the stylus, and always reports an empty battery. Apply the HID_BATTERY_QUIRK_IGNORE quirk to ignore this battery and prevent the erroneous low battery warnings. Signed-off-by: Steev Klimaszewski Signed-off-by: Jiri Kosina --- 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 0fb720a..347d783 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -414,6 +414,7 @@ #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN 0x2706 #define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN 0x261A #define I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCREEN 0x2A1C +#define I2C_DEVICE_ID_LENOVO_YOGA_C630_TOUCHSCREEN 0x279F #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 48c1c02..17a453b 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -383,6 +383,8 @@ static const struct hid_device_id hid_battery_quirks[] = { HID_BATTERY_QUIRK_IGNORE }, { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCREEN), HID_BATTERY_QUIRK_IGNORE }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_LENOVO_YOGA_C630_TOUCHSCREEN), + HID_BATTERY_QUIRK_IGNORE }, {} }; -- 2.7.4