* Re: [PATCH v2] ALSA: hda: cs35l56: Perform firmware download in the background
[not found] <20240618130011.62860-1-simont@opensource.cirrus.com>
@ 2024-06-18 14:27 ` Takashi Iwai
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From: Takashi Iwai @ 2024-06-18 14:27 UTC (permalink / raw)
To: Simon Trimmer; +Cc: tiwai, linux-sound, alsa-devel, linux-kernel, patches
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@opensource.cirrus.com>
Thanks, applied now to for-next branch.
Takashi
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[not found] <20240618130011.62860-1-simont@opensource.cirrus.com>
2024-06-18 14:27 ` [PATCH v2] ALSA: hda: cs35l56: Perform firmware download in the background Takashi Iwai
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