ALSA: hda - Clearing jackpoll_interval avoid pending work

Clearing jackpoll_interval before calling cancel_delayed_work_sync(),
otherwise the work will be triggered again and cause impact in
hda_jackpoll_work(). The next patch will poll jack once even with
jackpoll_interval=0.
Signed-off-by: Wang Xingchao <xingchao.wang@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_via.c

@@ -207,9 +207,9 @@ static void vt1708_stop_hp_work(struct hda_codec *codec)
 		return;
 	if (spec->hp_work_active) {
 		snd_hda_codec_write(codec, 0x1, 0, 0xf81, 1);
+		codec->jackpoll_interval = 0;
 		cancel_delayed_work_sync(&codec->jackpoll_work);
 		spec->hp_work_active = false;
-		codec->jackpoll_interval = 0;
 	}
 }