linux-kernel - [PATCH 4.18 005/158] HID: i2c-hid: Fix flooded incomplete report after S3 on Rayd touchscreen

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Message-Id: <20180917211710.780474432@linuxfoundation.org>
Date:   Tue, 18 Sep 2018 00:40:35 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, AceLan Kao <acelan.kao@...onical.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Jiri Kosina <jkosina@...e.cz>
Subject: [PATCH 4.18 005/158] HID: i2c-hid: Fix flooded incomplete report after S3 on Rayd touchscreen

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: AceLan Kao <acelan.kao@...onical.com>

commit fb6acf76c3fdd97fea6995e64e2c665725f00fc5 upstream.

The incomplete report flooded after S3 and touchscreen becomes
malfunctioned.
[ 1367.646244] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/18785)
[ 1367.649471] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/28743)
[ 1367.651092] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/26757)
[ 1367.652658] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/52280)
[ 1367.654287] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/56059)

Adding device ID, 04F3:30CC, to the quirk to re-send report description
after resume.

Cc: stable@...r.kernel.org
Signed-off-by: AceLan Kao <acelan.kao@...onical.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hid/hid-ids.h         |    1 +
 drivers/hid/i2c-hid/i2c-hid.c |    2 ++
 2 files changed, 3 insertions(+)

--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -528,6 +528,7 @@
 
 #define I2C_VENDOR_ID_RAYD		0x2386
 #define I2C_PRODUCT_ID_RAYD_3118	0x3118
+#define I2C_PRODUCT_ID_RAYD_4B33	0x4B33
 
 #define USB_VENDOR_ID_HANWANG		0x0b57
 #define USB_DEVICE_ID_HANWANG_TABLET_FIRST	0x5000
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -174,6 +174,8 @@ static const struct i2c_hid_quirks {
 		I2C_HID_QUIRK_RESEND_REPORT_DESCR },
 	{ USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS10FB_TOUCH,
 		I2C_HID_QUIRK_RESEND_REPORT_DESCR },
+	{ I2C_VENDOR_ID_RAYD, I2C_PRODUCT_ID_RAYD_4B33,
+		I2C_HID_QUIRK_RESEND_REPORT_DESCR },
 	{ 0, 0 }
 };