From: Mark Brown <broonie@kernel.org>
To: Takashi Iwai <tiwai@suse.de>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Akshu Agrawal <Akshu.Agrawal@amd.com>,
"moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER
MANAGEM..." <alsa-devel@alsa-project.org>,
Alexander.Deucher@amd.com, djkurtz@chromium.org,
Liam Girdwood <lgirdwood@gmail.com>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [alsa-devel] [PATCH] ASoC: soc-pcm: Use delay set in pointer function
Date: Mon, 30 Jul 2018 16:50:30 +0100 [thread overview]
Message-ID: <20180730155030.GP5789@sirena.org.uk> (raw)
In-Reply-To: <s5hy3dsviwq.wl-tiwai@suse.de>
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On Mon, Jul 30, 2018 at 05:32:21PM +0200, Takashi Iwai wrote:
> That said, if delay callback of CPU dai provides the additional delay,
> the patch does correct thing. OTOH, if CPU dai provides the base
> delay instead, we need to clarify that it's rather a must; the delay
> calculation in pointer callback becomes bogus in this scenario.
Part of the theory here is that every component might have a delay
independently of the rest and we need to add them all together to figure
out what the system as a whole will see. Personally I'd rather just
have everything use a callack consistently to avoid confusion.
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next prev parent reply other threads:[~2018-07-30 15:50 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-27 10:13 [PATCH] ASoC: soc-pcm: Use delay set in pointer function Akshu Agrawal
2018-07-27 15:09 ` [alsa-devel] " Pierre-Louis Bossart
2018-07-28 4:28 ` Agrawal, Akshu
2018-07-30 15:15 ` Pierre-Louis Bossart
2018-07-30 15:32 ` Takashi Iwai
2018-07-30 15:50 ` Mark Brown [this message]
2018-07-31 1:25 ` Agrawal, Akshu
2018-07-31 5:30 ` Takashi Iwai
2018-07-31 9:06 ` Agrawal, Akshu
2018-07-31 9:25 ` Takashi Iwai
2018-07-31 10:19 ` Mark Brown
2018-07-31 10:32 ` Takashi Iwai
2018-07-31 13:12 ` Mark Brown
2018-07-31 13:29 ` Takashi Iwai
2018-07-31 13:51 ` Mark Brown
2018-07-31 13:56 ` Takashi Iwai
2018-07-31 14:40 ` Mark Brown
2018-08-01 4:01 ` Agrawal, Akshu
2018-07-31 10:03 ` Mark Brown
2018-07-30 10:54 ` Mark Brown
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