From: Lars-Peter Clausen <lars@metafoo.de>
To: mengdong.lin@intel.com, alsa-devel@alsa-project.org
Cc: tiwai@suse.de, broonie@kernel.org, liam.r.girdwood@intel.com
Subject: Re: [PATCH v2 00/10] ASoC: support adding PCM dynamically from topology
Date: Sat, 15 Aug 2015 09:56:24 +0200 [thread overview]
Message-ID: <55CEF0A8.5030707@metafoo.de> (raw)
In-Reply-To: <cover.1439217448.git.mengdong.lin@intel.com>
On 08/10/2015 04:45 PM, mengdong.lin@intel.com wrote:
> From: Mengdong Lin <mengdong.lin@intel.com>
>
> This series allows the topology core to create PCM devices dynamically.
> The user can define different DAIs in the topology files for different
> versions of firmware, but share a generic platform and machine driver.
>
> A dummy DAI and DAI link can be used to register the soc card and specify
> the platform with topology. Then real DAIs are created in platform probing
> phase by the topology core, and the machine driver will be notified to create
> relavant DAI links.
This all sounds as if the dynamically loaded topology information does not
describe dynamic topology, e.g. like DSP firmware, but rather the static
topology that would usually come from things like devicetree or ACPI. Maybe
you need to rethink when the topology information is loaded and make sure
that the parts that describe the static topology are available before the
card is instantiated.
- Lars
next prev parent reply other threads:[~2015-08-15 7:56 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-10 14:45 [PATCH v2 00/10] ASoC: support adding PCM dynamically from topology mengdong.lin
2015-08-10 14:45 ` [PATCH v2 01/10] ASoC: Change the PCM runtime array to a list mengdong.lin
2015-08-14 20:02 ` Mark Brown
2015-08-17 6:28 ` Lin, Mengdong
2015-08-10 14:46 ` [PATCH v2 02/10] ASoC: Define soc_init_dai_link() to wrap link intialization mengdong.lin
2015-08-10 14:47 ` [PATCH v2 03/10] ASoC: Change 2nd argument of soc_bind_dai_link() to DAI link pointer mengdong.lin
2015-08-10 14:47 ` [PATCH v2 04/10] ASoC: Implement DAI links in a list mengdong.lin
2015-08-10 14:47 ` [PATCH v2 05/10] ASoC: Add support for dummy DAI links and PCM runtimes mengdong.lin
2015-08-14 20:22 ` Mark Brown
2015-08-17 10:01 ` Lin, Mengdong
2015-08-17 18:39 ` Mark Brown
2015-08-10 14:48 ` [PATCH v2 06/10] ASoC: Bind new DAI links after probing components mengdong.lin
2015-08-10 14:48 ` [PATCH v2 07/10] ASoC: Support adding a DAI dynamically mengdong.lin
2015-08-10 14:48 ` [PATCH v2 08/10] ASoC: topology: Change pass number of DAI smaller than graph mengdong.lin
2015-08-10 14:48 ` [PATCH v2 09/10] ASoC: topology: Change stream formats to bitwise flag mengdong.lin
2015-08-14 20:34 ` Mark Brown
2015-08-15 7:37 ` Takashi Iwai
2015-08-15 13:49 ` Lin, Mengdong
2015-08-15 14:45 ` Takashi Iwai
2015-08-15 15:25 ` Lin, Mengdong
2015-08-15 16:50 ` Takashi Iwai
2015-08-15 16:51 ` Mark Brown
2015-08-17 10:05 ` Lin, Mengdong
2015-08-15 15:14 ` Mark Brown
2015-08-15 14:59 ` Mark Brown
2015-08-15 16:52 ` Takashi Iwai
2015-08-10 14:48 ` [PATCH v2 10/10] ASOC: topology: Add PCM DAIs dynamically when loading them mengdong.lin
2015-08-15 7:56 ` Lars-Peter Clausen [this message]
2015-08-15 15:50 ` [PATCH v2 00/10] ASoC: support adding PCM dynamically from topology Mark Brown
2015-08-17 6:13 ` Lin, Mengdong
2015-08-17 10:39 ` Liam Girdwood
2015-08-17 20:05 ` Mark Brown
2015-08-18 5:17 ` Lin, Mengdong
2015-08-18 5:27 ` Mark Brown
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