From: Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
To: Kuninori Morimoto
<kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>,
Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Linux-ALSA <alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org>,
Simon <horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>,
Liam Girdwood <lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [alsa-devel] [PATCH 8/8] ASoC: add snd-soc-dummy DT support
Date: Sun, 24 Aug 2014 10:48:46 +0200 [thread overview]
Message-ID: <53F9A6EE.5070005@metafoo.de> (raw)
In-Reply-To: <874mx7iqgt.wl%kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
On 08/20/2014 09:13 AM, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
>
> This patch adds snd-soc-dummy DT binding support.
The devicetree describes the hardware, the snd-soc-dummy is a software only
thing and should not be found in the devicetree.
> It removes .stream_name from dummy_dai,
> because "Playback" / "Capture" is very popular naming.
>
> The DAPM will lost correct route settings
> if other CPU/Codec was using same stream name.
> And it will be problem when DPCM case.
> Like below
>
> FE CPU (rsnd): "DAI0 Playback"
> Codec (dummy): "Playback"
>
> BE CPU (dummy): "Playback"
> Codec (ak4642): "Playback"
That's something we need to fix, but I don't think removing the stream names
is the right way to do this. In a multi CODEC environment you'll quite
likely end up with widgets of the same name. Ideally a route endpoint would
be expressed by a tuple of DT node and pin name. But I don't think it is
possible to mix integer and string elements in a property.
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next prev parent reply other threads:[~2014-08-24 8:48 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-20 7:06 [PATCH 0/8] ASoC: simple-card: DPCM support Kuninori Morimoto
[not found] ` <87fvgriqrb.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-20 7:07 ` [PATCH 1/8] ASoC: simple-card: use asoc_simple_xxx prefix Kuninori Morimoto
2014-08-20 7:07 ` [PATCH 2/8] ASoC: simple-card: remove dai_link->cpu_dai_name when DT Kuninori Morimoto
2014-08-20 7:09 ` [PATCH 3/8] ASoC: simple-card: dai_link->init should be cared when multi DAI Kuninori Morimoto
2014-08-20 7:09 ` [PATCH 4/8] ASoC: simple-card: use common for_each_child_of_node() for loop Kuninori Morimoto
2014-08-20 7:11 ` [PATCH 5/8] ASoC: simple-card: add DPCM support when DT case Kuninori Morimoto
2014-08-20 7:11 ` [PATCH 6/8] ASoC: simple-card: remove is_top_level_node from asoc_simple_card_sub_parse_of() Kuninori Morimoto
2014-08-20 7:11 ` [PATCH 7/8] ASoC: rsnd: add dai_link stream name Kuninori Morimoto
2014-08-20 7:13 ` [PATCH 8/8] ASoC: add snd-soc-dummy DT support Kuninori Morimoto
[not found] ` <874mx7iqgt.wl%kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2014-08-24 8:48 ` Lars-Peter Clausen [this message]
[not found] ` <53F9A6EE.5070005-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2014-08-26 0:04 ` [alsa-devel] " Kuninori Morimoto
[not found] ` <871ts4nmki.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-26 6:25 ` Mark Brown
[not found] ` <20140826062558.GR17528-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-08-26 8:34 ` Kuninori Morimoto
[not found] ` <87wq9vmyyc.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-26 9:11 ` Mark Brown
[not found] ` <20140826091120.GC17528-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-08-26 9:19 ` Lars-Peter Clausen
[not found] ` <53FC5105.6070901-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2014-08-26 9:42 ` Mark Brown
[not found] ` <20140826094211.GF17528-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-08-26 10:31 ` Kuninori Morimoto
[not found] ` <87r403mtip.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-26 10:50 ` Mark Brown
[not found] ` <20140826105028.GK17528-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-08-27 1:11 ` Kuninori Morimoto
[not found] ` <87d2bmpwi2.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-27 3:14 ` Kuninori Morimoto
[not found] ` <87a96qpqsy.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-27 8:24 ` Lars-Peter Clausen
[not found] ` <53FD95AB.6080903-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2014-08-28 0:33 ` Kuninori Morimoto
[not found] ` <87fvghihaq.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-28 7:23 ` Lars-Peter Clausen
[not found] ` <53FED90B.8070308-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2014-08-28 10:41 ` Kuninori Morimoto
2014-08-28 8:02 ` Mark Brown
[not found] ` <20140828080251.GG17528-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-08-28 10:56 ` Kuninori Morimoto
[not found] ` <87sikghohq.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-29 0:41 ` Kuninori Morimoto
2014-08-26 0:08 ` [PATCH 0/8] ASoC: simple-card: DPCM support Kuninori Morimoto
[not found] ` <87zjesm7sp.wl%kuninori.morimoto.gx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-28 3:04 ` Kuninori Morimoto
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