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Message-ID: <87iky65nsj.wl-tiwai@suse.de>
Date: Tue, 18 Jun 2024 16:27:24 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Simon Trimmer <simont@...nsource.cirrus.com>
Cc: <tiwai@...e.com>,
<linux-sound@...r.kernel.org>,
<alsa-devel@...a-project.org>,
<linux-kernel@...r.kernel.org>,
<patches@...nsource.cirrus.com>
Subject: Re: [PATCH v2] ALSA: hda: cs35l56: Perform firmware download in the background
On Tue, 18 Jun 2024 15:00:11 +0200,
Simon Trimmer wrote:
>
> It is possible that during system boot when there multiple devices
> attempting simultaneous initialization on a slow control bus the
> download of firmware and tuning data may take a user perceivable amount
> of time (a slow I2C bus with 4 amps this work could take over 2
> seconds).
>
> Adopt a pattern used in the ASoC driver and perform this activity in a
> background thread so that interactive performance is not impaired. The
> system_long_wq is a parallel workqueue and driver instances will perform
> their firmware downloads in parallel to make best use of available bus
> bandwidth.
>
> Signed-off-by: Simon Trimmer <simont@...nsource.cirrus.com>
Thanks, applied now to for-next branch.
Takashi
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