* [PATCH] HID: i2c-hid: Add i2c-hid-quirk-bad-input-size quirk for 0911:5288 device
@ 2026-09-03 16:14 Youth Cao
0 siblings, 0 replies; only message in thread
From: Youth Cao @ 2026-09-03 16:14 UTC (permalink / raw)
To: Jiri Kosina, Benjamin Tissoires
Cc: Xu Rao, Ai Chao, Kwok Kin Ming, Youth Cao, linux-input, linux-kernel
I have recently acquired a cheap Apollo Lake-based laptop that uses a
Hynitron CST128-A touchpad controller. While booting from a Debian LiveCD,
the kernel log is flooded with the following error (though the touchpad
works well):
i2c_hid_acpi i2c-ALPS0001:00: i2c_hid_get_input: incomplete report (27/42405)
The CST128-A was identified via ACPI as ALPS0001:00, and the I2C HID
device ID (0911:5288) was shared with the Hantick 5288.
Add the I2C_HID_QUIRK_BAD_INPUT_SIZE quirk option to the existing Hantick
5288 quirk entry to suppress the kernel log flood.
Signed-off-by: Youth Cao <cocoh2os08@gmail.com>
---
drivers/hid/i2c-hid/i2c-hid-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 0e725a0f0abe..776dd14feba7 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -123,7 +123,7 @@ static const struct i2c_hid_quirks {
__u32 quirks;
} i2c_hid_quirks[] = {
{ I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
- I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
+ I2C_HID_QUIRK_NO_IRQ_AFTER_RESET | I2C_HID_QUIRK_BAD_INPUT_SIZE },
{ I2C_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_VOYO_WINPAD_A15,
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
{ I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_3118,
--
2.47.3
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