From: 朱灿灿 Date: Fri, 29 May 2020 10:12:44 +0000 (+0800) Subject: Subject: [PATCH v2] ASoC: soc-pcm: fix BE dai not hw_free and shutdown during mixer... X-Git-Tag: v5.15~3605^2^2~34 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=68f8043ed13e636c6f04ac1c0831e17681d392ab;p=mirror_ubuntu-kernels.git Subject: [PATCH v2] ASoC: soc-pcm: fix BE dai not hw_free and shutdown during mixer update FE state is SND_SOC_DPCM_STATE_PREPARE now, BE1 is used by FE. Later when new BE2 is added to FE by mixer update, it will call dpcm_run_update_startup() to update BE2's state, but unfortunately BE2 .prepare() meets error, it will disconnect all non started BE. This make BE1 dai skip .hw_free() and .shutdown(), and the BE1 users will never decrease to zero. Signed-off-by: zhucancan Link: https://lore.kernel.org/r/ALMAWwB5CP9aAcKXCU5FzqqF.1.1590747164172.Hmail.zhucancan@vivo.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 80dd3cf6200c..276505fb9d50 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2611,12 +2611,12 @@ hw_free: close: dpcm_be_dai_shutdown(fe, stream); disconnect: - /* disconnect any non started BEs */ + /* disconnect any closed BEs */ spin_lock_irqsave(&fe->card->dpcm_lock, flags); for_each_dpcm_be(fe, stream, dpcm) { struct snd_soc_pcm_runtime *be = dpcm->be; - if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START) - dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE; + if (be->dpcm[stream].state == SND_SOC_DPCM_STATE_CLOSE) + dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE; } spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);