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From: Marcel Holtmann <marcel@holtmann.org>
To: Matthew Garrett <mjg@redhat.com>
Cc: linux-bluetooth@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH 1/3] bluetooth: Take a runtime pm reference on hid connections
Date: Wed, 13 Oct 2010 12:32:25 +0300	[thread overview]
Message-ID: <1286962345.3316.1.camel@aeonflux> (raw)
In-Reply-To: <1284659895-27984-1-git-send-email-mjg@redhat.com>

Hi Matthew,

> Bluetooth runtime PM interacts badly with input devices - the connection
> will be dropped if the device becomes idle, resulting in noticable lag when
> the user interacts with the input device again. Bump the pm runtime count
> when the device is associated and release it when it's disassociated in
> order to avoid this.

we already have hci_conn_hold_device() and hci_conn_put_device() calls
for HID to hold reference of the ACL connection. Why do we need more?

Regards

Marcel



  parent reply	other threads:[~2010-10-13  9:32 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-16 17:58 [PATCH 1/3] bluetooth: Take a runtime pm reference on hid connections Matthew Garrett
2010-09-16 17:58 ` [PATCH 2/3] bluetooth: Remove some unnecessary error messages Matthew Garrett
2010-09-17  8:33   ` Andrei Emeltchenko
2010-09-17  8:59     ` Oliver Neukum
2010-10-18 11:55   ` Marcel Holtmann
2010-10-19 16:01     ` Matthew Garrett
2010-09-16 17:58 ` [PATCH 3/3] bluetooth: Enable USB autosuspend by default on btusb Matthew Garrett
2010-10-13 10:00   ` Marcel Holtmann
2010-10-18  6:06   ` Gustavo F. Padovan
2010-09-17  8:39 ` [PATCH 1/3] bluetooth: Take a runtime pm reference on hid connections Oliver Neukum
2010-09-17 12:24   ` Matthew Garrett
2010-10-13  9:32 ` Marcel Holtmann [this message]
2010-10-19 16:03   ` Matthew Garrett

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