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[SRU,Bionic,1/2] HID: i2c-hid: Fix flooded incomplete report after S3 on Rayd touchscreen

Message ID 20180913080334.7545-2-kai.heng.feng@canonical.com
State New
Headers show
Series Fix I2C touchpanels' interrupt storms after system suspend | expand

Commit Message

Kai-Heng Feng Sept. 13, 2018, 8:03 a.m. UTC 
From: AceLan Kao <acelan.kao@canonical.com>

BugLink: https://bugs.launchpad.net/bugs/1792309

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@vger.kernel.org
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
(backported from commit fb6acf76c3fdd97fea6995e64e2c665725f00fc5)
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
 drivers/hid/hid-ids.h         | 1 +
 drivers/hid/i2c-hid/i2c-hid.c | 2 ++
 2 files changed, 3 insertions(+)
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Patch

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 80098ea4d93f..8cf826f7623a 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -519,6 +519,7 @@ 
 
 #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
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 37c047110241..3773a7fb4d04 100644
--- 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_NO_IRQ_AFTER_RESET },
 	{ I2C_VENDOR_ID_RAYD, I2C_PRODUCT_ID_RAYD_3118,
 		I2C_HID_QUIRK_RESEND_REPORT_DESCR },
+	{ I2C_VENDOR_ID_RAYD, I2C_PRODUCT_ID_RAYD_4B33,
+		I2C_HID_QUIRK_RESEND_REPORT_DESCR },
 	{ 0, 0 }
 };