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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 <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
David Henningsson 2012-10-17 14:45:05 +02:00 committed by Takashi Iwai
parent a2af050f8d
commit 34a9318772
1 changed files with 2 additions and 0 deletions
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2
sound/pci/hda/hda_jack.c
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@ -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);