From 34a9318772d00efc5c1af00639526232050c49b8 Mon Sep 17 00:00:00 2001 From: David Henningsson Date: Wed, 17 Oct 2012 14:45:05 +0200 Subject: [PATCH] ALSA: hda - Don't enable unsol for jacks we're polling This will greatly reduce the frequency for detection errors in those cases where the hardware is "flaky", i e, rapidly changing between plugged and unplugged states even without user interaction. Signed-off-by: David Henningsson Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_jack.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c index 07d5288..5bdbada 100644 --- a/sound/pci/hda/hda_jack.c +++ b/sound/pci/hda/hda_jack.c @@ -206,6 +206,8 @@ int snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid, jack->action = action; if (cb) jack->callback = cb; + if (codec->jackpoll_interval > 0) + return 0; /* No unsol if we're polling instead */ return snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | jack->tag); -- 2.7.4