[ALSA] hda-intel - Add flush_scheduled_work() in snd_hda_codec_free()

Added flush_scheduled_work() in snd_hda_codec_free() to make sure that
the all work is gone.  Also, optimized the condition to schedule the
delayed work in snd_hda_power_down().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 0e923f3..0b90294 100644 (file)
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -525,6 +525,7 @@ static void snd_hda_codec_free(struct hda_codec *codec)
                return;
 #ifdef CONFIG_SND_HDA_POWER_SAVE
        cancel_delayed_work(&codec->power_work);
+       flush_scheduled_work();
 #endif
        list_del(&codec->list);
        codec->bus->caddr_tbl[codec->addr] = NULL;
@@ -2223,7 +2224,7 @@ void snd_hda_power_up(struct hda_codec *codec)
 void snd_hda_power_down(struct hda_codec *codec)
 {
        --codec->power_count;
-       if (!codec->power_on)
+       if (!codec->power_on || codec->power_count)
                return;
        if (power_save)
                schedule_delayed_work(&codec->power_work,