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From: Mark Brown <broonie@kernel.org>
To: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	Mengdong Lin <mengdong.lin@linux.intel.com>,
	"tiwai@suse.de" <tiwai@suse.de>,
	"Shah, Hardik T" <hardik.t.shah@intel.com>,
	"Singh, Guneshwor O" <guneshwor.o.singh@intel.com>,
	"Koul, Vinod" <vinod.koul@intel.com>,
	"Ughreja, Rakesh A" <rakesh.a.ughreja@intel.com>,
	"Lin, Mengdong" <mengdong.lin@intel.com>
Subject: Re: [PATCH v2 01/11] ASoC: topology: Able to create BE DAIs
Date: Sat, 24 Sep 2016 19:56:06 +0100	[thread overview]
Message-ID: <20160924185606.ihvmwpqtn33mgozw@sirena.org.uk> (raw)
In-Reply-To: <1474441795.15879.6.camel@loki>


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On Wed, Sep 21, 2016 at 08:09:55AM +0100, Liam Girdwood wrote:
> On Wed, 2016-09-21 at 13:44 +0800, Mengdong Lin wrote:

> > And how about the BE DAI links?
> > They are also physical hardware things. Could we also let topology 
> > configure those that can be changed by SW on the BE link, instead of 
> > letting topology create the BE links?

> Yes, the topology should be able to configure the physical link SW
> params as the link may be used for multiple use cases on multiple
> different devices with the same FW binary. Each use case or device will
> possibly require a different BE DAi link configuration.

Configuration is fine, it's just attempting to say that physical links
are instantiated by the DSP firmware that's the problem.  That's just so
obviously an invitation to fragility and abuse.

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  reply	other threads:[~2016-09-25  6:05 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-09 11:41 [PATCH v2 00/11] ASoC: topology: Remaining kernel patches mengdong.lin
2016-09-09 11:43 ` [PATCH v2 01/11] ASoC: topology: Able to create BE DAIs mengdong.lin
2016-09-16 14:56   ` Mark Brown
2016-09-19 17:09     ` Shah, Hardik T
2016-09-21  5:44       ` Mengdong Lin
2016-09-21  7:09         ` Liam Girdwood
2016-09-24 18:56           ` Mark Brown [this message]
2016-09-09 11:45 ` [PATCH v2 02/11] ASoC: topology: ABI - Add flags to PCM mengdong.lin
2016-09-09 11:45 ` [PATCH v2 03/11] ASoC: topology: ABI - Add private data " mengdong.lin
2016-09-09 11:45 ` [PATCH v2 04/11] ASoC: topology: Add FE DAIs only if not already added mengdong.lin
2016-09-09 11:46 ` [PATCH v2 05/11] ASoC: topology: ABI - Add name & component info to BE/CC links mengdong.lin
2016-09-09 11:46 ` [PATCH v2 06/11] ASoC: topology: ABI - Define DAI physical PCM data formats mengdong.lin
2016-09-09 11:46 ` [PATCH v2 07/11] ASoC: topology: ABI - Add HW configurations to BE/CC links mengdong.lin
2016-09-09 11:46 ` [PATCH v2 08/11] ASoC: topology: ABI - Add flags and private data " mengdong.lin
2016-09-09 11:46 ` [PATCH v2 09/11] ASoC: Define API to find a dai link by id mengdong.lin
2016-09-09 11:46 ` [PATCH v2 10/11] ASoC: Probe link components after finding new links mengdong.lin
2016-09-09 11:46 ` [PATCH v2 11/11] ASoC: topology: Able to create BE DAI links mengdong.lin

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