From: Pavel Machek <pavel@ucw.cz>
To: mutt@amd.karlin.mff.cuni.cz,
kernel list <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-omap@vger.kernel.org, tony@atomide.com, sre@kernel.org,
nekit1000@gmail.com, mpartap@gmx.net, merlijn@wizzup.org,
nick@shmanahar.org, dmitry.torokhov@gmail.com,
rydberg@bitmath.org, linux-input@vger.kernel.org
Subject: atmel_mxt_ts on droid4: powersave seems to break the driver
Date: Tue, 17 Apr 2018 09:38:11 +0200 [thread overview]
Message-ID: <20180417073811.GA9450@amd> (raw)
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HI!
v4.17-rc1 on motorola droid 4.
If I disable/reenable touschreen with xinput, it fails, with this in
the logs:
[ 1633.749450] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host
[ 1655.938751] atmel_mxt_ts 1-004a: __mxt_read_reg: i2c transfer
failed (-121)
[ 1655.945800] atmel_mxt_ts 1-004a: Failed to read T44 and T5 (-121)
[ 1663.829498] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host
Unfortunately, xscreensaver seems to break it in a similar way.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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WARNING: multiple messages have this Message-ID (diff)
From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: atmel_mxt_ts on droid4: powersave seems to break the driver
Date: Tue, 17 Apr 2018 09:38:11 +0200 [thread overview]
Message-ID: <20180417073811.GA9450@amd> (raw)
HI!
v4.17-rc1 on motorola droid 4.
If I disable/reenable touschreen with xinput, it fails, with this in
the logs:
[ 1633.749450] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host
[ 1655.938751] atmel_mxt_ts 1-004a: __mxt_read_reg: i2c transfer
failed (-121)
[ 1655.945800] atmel_mxt_ts 1-004a: Failed to read T44 and T5 (-121)
[ 1663.829498] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host
Unfortunately, xscreensaver seems to break it in a similar way.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next reply other threads:[~2018-04-17 7:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-17 7:38 Pavel Machek [this message]
2018-04-17 7:38 ` atmel_mxt_ts on droid4: powersave seems to break the driver Pavel Machek
2018-04-17 18:20 ` Dmitry Torokhov
2018-04-17 18:20 ` Dmitry Torokhov
2018-04-17 19:39 ` Pavel Machek
2018-04-17 19:39 ` Pavel Machek
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