From 1adcbdf54f76e1004bdf71df4eb1888c26e7ad06 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 23 Jun 2025 15:14:30 +0200 Subject: [PATCH] ALSA: hda: Disable jack polling at shutdown Although the jack polling is canceled at shutdown in snd_hda_codec_shutdown(), it might be still re-triggered when the work is being processed at cancel_delayed_work_sync() call. This may result in the unexpected hardware access that should have been already disabled. For assuring to stop the jack polling, clear codec->jackpoll_interval at shutdown. Reported-by: Joakim Zhang Closes: https://lore.kernel.org/20250619020844.2974160-4-joakim.zhang@cixtech.com Tested-by: Joakim Zhang Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/20250623131437.10670-2-tiwai@suse.de --- sound/pci/hda/hda_codec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index c018beeecd3d6..4eba3970cd1a7 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3020,6 +3020,7 @@ void snd_hda_codec_shutdown(struct hda_codec *codec) if (!codec->core.registered) return; + codec->jackpoll_interval = 0; /* don't poll any longer */ cancel_delayed_work_sync(&codec->jackpoll_work); list_for_each_entry(cpcm, &codec->pcm_list_head, list) snd_pcm_suspend_all(cpcm->pcm); -- 2.47.2