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From: Mark Brown <broonie@kernel.org>
To: Takashi Iwai <tiwai@suse.de>
Cc: "Girdwood, Liam R" <liam.r.girdwood@intel.com>,
	Liam Girdwood <liam.r.girdwood@linux.intel.com>,
	Tanu Kaskinen <tanu.kaskinen@linux.intel.com>,
	"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
Subject: Re: [PATCH v3 1/2] ALSA: jack: create jack kcontrols for every jack input device
Date: Mon, 23 Mar 2015 07:57:30 -0700	[thread overview]
Message-ID: <20150323145730.GA14954@sirena.org.uk> (raw)
In-Reply-To: <s5hzj743p0x.wl-tiwai@suse.de>


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On Mon, Mar 23, 2015 at 12:57:02PM +0100, Takashi Iwai wrote:

> It's a good point.  The notification via kctl can't follow the
> complete state changes since it's nothing but a notification telling
> "something changed".  So, events like buttons that need the complete
> state change history, the current implementation isn't appropriate.
> For things like jacks, we usually care only about the final state, and
> the state change is much less frequent, so kctl notification works
> well.

I'd expect the buttons to be going through only as input devices, not as
kcontrols at all.

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  reply	other threads:[~2015-03-23 14:57 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-20 15:39 [PATCH v3 0/2] ALSA: jack: Refactoring for jack kctls Jie Yang
2015-03-20 15:39 ` [PATCH v3 1/2] ALSA: jack: create jack kcontrols for every jack input device Jie Yang
2015-03-20 16:17   ` Takashi Iwai
2015-03-21  2:22     ` Jie, Yang
2015-03-21  7:46       ` Takashi Iwai
2015-03-23 10:08       ` Tanu Kaskinen
2015-03-23 11:57         ` Takashi Iwai
2015-03-23 14:57           ` Mark Brown [this message]
2015-03-25  4:11           ` Jie, Yang
2015-03-25  5:27             ` Raymond Yau
2015-03-25  6:13             ` Takashi Iwai
2015-03-20 15:39 ` [PATCH v3 2/2] ALSA: hda - Remove jack kctls Jie Yang
2015-03-20 16:21   ` Takashi Iwai
2015-03-21  0:23     ` Jie, Yang
2015-03-23  9:18 ` [PATCH v3 0/2] ALSA: jack: Refactoring for " David Henningsson
2015-03-23 15:00   ` Mark Brown
2015-03-23 15:09     ` Takashi Iwai
2015-03-23 16:35       ` Mark Brown
2015-03-23 16:38         ` Takashi Iwai
2015-03-23 16:52           ` Mark Brown

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