Thread (3 messages) 3 messages, 2 authors, 2018-07-09

Re: [PATCH] i2c-hid: Fix "incomplete report" noise

From: Jiri Kosina <jikos@kernel.org>
Date: 2018-07-09 12:29:15
Also in: lkml, stable

On Fri, 22 Jun 2018, Jason Andryuk wrote:
Commit ac75a041048b ("HID: i2c-hid: fix size check and type usage")
started writing messages when the ret_size is <= 2 from i2c_master_recv.
However, my device i2c-DLL07D1 returns 2 for a short period of time
(~0.5s) after I stop moving the pointing stick or touchpad.  It varies,
but you get ~50 messages each time which spams the log hard.
[  95.925055] i2c_hid i2c-DLL07D1:01: i2c_hid_get_input: incomplete report (83/2)

This has also been observed with a i2c-ALP0017.
[ 1781.266353] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)

Only print the message when ret_size is totally invalid and less than 2
to cut down on the log spam.

Reported-by: John Smith <redacted>
Cc: stable@vger.kernel.org
Signed-off-by: Jason Andryuk <redacted>
Applied, thanks.

-- 
Jiri Kosina
SUSE Labs
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