From 0d3a5178c2994eaf91ad135816a79138055b394a Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 6 Mar 2023 01:43:54 +0000 Subject: ASoC: soc-pcm.c: remove indirect runtime copy substream->runtime will be attached when substream was opened at snd_pcm_attach_substream(). When it uses DPCM, FE substream->runtime is attached, but BE substream->runtime is not. Thus, we are copying FE substream->runtime to BE. But, we are copyig FE substream->runtime to FE dpcm->runtime first (A), and copy it to BE dpcm->runtime (B), and copy it to BE substream->runtime (C). static int dpcm_fe_dai_open(...) { ... (A) fe->dpcm[stream].runtime = fe_substream->runtime; ... } static int dpcm_be_connect(...) { ... (B) be->dpcm[stream].runtime = fe->dpcm[stream].runtime; ... } int dpcm_be_dai_startup(...) { ... (C) be_substream->runtime = be->dpcm[stream].runtime; ... } It is too roundabout and troublesome. OTOH, it is directly copying fe_substream->runtime at dpcm_be_reparent() without using be->dpcm[stream].runtime. static void dpcm_be_reparent(...) { ... for_each_dpcm_fe(be, stream, dpcm) { ... => be_substream->runtime = fe_substream->runtime; break; } } This patch removes indirect copying. Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/87v8je64dh.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- include/sound/soc-dpcm.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include/sound') diff --git a/include/sound/soc-dpcm.h b/include/sound/soc-dpcm.h index 1e7d09556fe3..4d6ac7699833 100644 --- a/include/sound/soc-dpcm.h +++ b/include/sound/soc-dpcm.h @@ -91,7 +91,6 @@ struct snd_soc_dpcm_runtime { struct list_head fe_clients; int users; - struct snd_pcm_runtime *runtime; struct snd_pcm_hw_params hw_params; /* state and update */ -- cgit v1.2.3