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From: Lars-Peter Clausen <lars@metafoo.de>
To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Mark Brown <broonie@kernel.org>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>,
	Simon <horms@verge.net.au>, shiiba <naoya.shiiba.nx@renesas.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Das Biju <biju.das@bp.renesas.com>
Subject: Re: [PATCH 04/13] ASoC: dapm: add driver prefix matching for snd_soc_dapm_add_route()
Date: Sat, 14 Mar 2015 13:19:56 +0100	[thread overview]
Message-ID: <5504276C.4050503@metafoo.de> (raw)
In-Reply-To: <87wq2lr8s8.wl%kuninori.morimoto.gx@renesas.com>

On 03/13/2015 02:22 AM, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
>
> Current DAPM will lost correct route settings if some CPU/Codec was using
> same stream name, and it will be problem when DPCM case.
> For example, stream name of Renesas sound drver / ak4642 / dummy for DPCM
> have same name as "Playback", like below
>
> FE CPU   (rsnd):   "DAI0 Playback"
>     Codec (dummy):  "Playback"
>
> BE CPU   (dummy):  "Playback"
>     Codec (ak4642): "Playback"
>
> Then, "Playback" - "DAI0 Playback" can't match correctly. This patch adds
> "driver name" prefix for this case.
> We can use "ak4642-hifi Playback" - "DAI0 Playback" here.

Hi,

There is already a prefix mechanism to handle this. If you have widgets with 
the same name in different contexts you can use the snd_soc_codec_conf 
struct and set the name_prefix field to assign a unique prefix to each context.

- Lars

  reply	other threads:[~2015-03-14 12:19 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-13  1:20 [PATCH 0/13] ASoC: Renesas adds DPCM based sampling rate convert Kuninori Morimoto
2015-03-13  1:21 ` [PATCH 01/13] ASoC: core: remove of_xlate_dai_name from snd_soc_component_driver Kuninori Morimoto, Kuninori Morimoto
2015-03-13  1:21 ` [PATCH 02/13] ASoC: core: add snd_soc_get_dai_info() to get driver infomation Kuninori Morimoto, Kuninori Morimoto
2015-03-13  1:21 ` Kuninori Morimoto
2015-03-13  1:22 ` [PATCH 03/13] ASoC: dapm: add snd_soc_dapm_route_scan macro for DAPM route Kuninori Morimoto
2015-03-13  1:22 ` [PATCH 04/13] ASoC: dapm: add driver prefix matching for snd_soc_dapm_add_route() Kuninori Morimoto
2015-03-14 12:19   ` Lars-Peter Clausen [this message]
2015-03-16  2:44     ` Kuninori Morimoto
     [not found] ` <874mppsngc.wl%kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2015-03-13  1:23   ` [PATCH 05/13] ASoC: rsnd-dpcm-card: add Renesas sound card support for DPCM Kuninori Morimoto
2015-03-13  1:24   ` [PATCH 06/13] ASoC: rsnd-dpcm-card: add .be_hw_params_fixup support for convert rate Kuninori Morimoto
2015-03-13  1:24 ` [PATCH 07/13] ASoC: rsnd: no more SSI restart when unusual situation Kuninori Morimoto
2015-03-13  1:24 ` [PATCH 08/13] ASoC: rsnd: no more SRC " Kuninori Morimoto
2015-03-13  1:25 ` [PATCH 09/13] ASoC: rsnd: tidyup error message format Kuninori Morimoto
2015-03-13  1:25 ` [PATCH 10/13] ASoC: rsnd: show debug info for sampling rate convert Kuninori Morimoto
2015-03-13  1:26 ` [PATCH 11/13] ASoC: rsnd: don't call clk_prepare_enable/unprepare() from inside spin lock Kuninori Morimoto
2015-03-13  1:26 ` [PATCH 12/13] ASoC: rsnd: add dai_link stream name Kuninori Morimoto
2015-03-13  1:27 ` [PATCH 13/13] ASoC: rsnd: add DPCM based sampling rate convert Kuninori Morimoto

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