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a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1596605091; bh=xM5unBw3wgXR7GkBUlqTHblHCSehFqwrFtBfDW2BGlE=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=q1qaRlsJHCiZ/RH1pxHpTwmSAohkl/0CWYR3mhQC8WphuKLZJ4skZVpTVY1JhGvRG k7eRsBX6PVCRdTbqpKRAy0ChSPgEIg4FXR5Psd/ZXBJSibTduFgoNHh0KMx2SM4QeW VGH4H1qb3CoGZ/SfaxqHKBW+dToUT1XhMjWZobdTco0ipa75gmNSuV1+4nvy8vF3V+ NROH2Ye5tWhGO1t0E1Eld2L3C4N/JzhQTHeUh976Nd+dlHLwsCFcDYmZIr9AT2UYDs MYIHdycfIC65v0R68OOA9qeRUFfxnNJChJkrbBjh4H5va3DW0c/Eur/VWBUk2k0LpT IH2/HvYoP+ITA== Cc: nicoleotsuka@gmail.com, alsa-devel@alsa-project.org, swarren@nvidia.com, Sameer Pujar , nwartikar@nvidia.com, linux-kernel@vger.kernel.org, jonathanh@nvidia.com, viswanathl@nvidia.com, sharadg@nvidia.com, thierry.reding@gmail.com, atalambedu@nvidia.com, linux-tegra@vger.kernel.org, rlokhande@nvidia.com, mkumard@nvidia.com, dramesh@nvidia.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" dpcm_end_walk_at_be() stops the graph walk when first BE is found for the given FE component. In a component model we may want to connect multiple DAIs from different components. A new flag is introduced in 'snd_soc_card', which when set allows DAI/component chaining. Later PCM operations can be called for all these listed components for a valid DAPM path. Signed-off-by: Sameer Pujar --- include/sound/soc.h | 1 + sound/soc/soc-pcm.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/sound/soc.h b/include/sound/soc.h index 5e3919f..e8531be 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1084,6 +1084,7 @@ struct snd_soc_card { unsigned int fully_routed:1; unsigned int disable_route_checks:1; unsigned int probed:1; + unsigned int component_chaining:1; void *drvdata; }; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 00ac1cb..5f1d8d3 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -1323,7 +1323,8 @@ int dpcm_path_get(struct snd_soc_pcm_runtime *fe, /* get number of valid DAI paths and their widgets */ paths = snd_soc_dapm_dai_get_connected_widgets(cpu_dai, stream, list, - dpcm_end_walk_at_be); + fe->card->component_chaining ? + NULL : dpcm_end_walk_at_be); dev_dbg(fe->dev, "ASoC: found %d audio %s paths\n", paths, stream ? "capture" : "playback");