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From: Liam Girdwood <lg@opensource.wolfsonmicro.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: [PATCH] ASoC force running of delayed PM	work	at	suspend() and	remove()
Date: Wed, 31 Jan 2007 17:39:06 +0000	[thread overview]
Message-ID: <1170265146.16760.93.camel@localhost.localdomain> (raw)
In-Reply-To: <1170264157.16760.89.camel@localhost.localdomain>

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On Wed, 2007-01-31 at 17:22 +0000, Liam Girdwood wrote:

> Patch attached for AC97 codec.

Best use this one. I've now put the #ifdef CONFIG_SND_AC97_POWER_SAVE
around the function.

Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>

Liam

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diff -r 2a5adb550155 pci/ac97/ac97_codec.c
--- a/pci/ac97/ac97_codec.c	Wed Jan 31 14:34:38 2007 +0100
+++ b/pci/ac97/ac97_codec.c	Wed Jan 31 17:36:31 2007 +0000
@@ -964,6 +964,23 @@ AD18XX_PCM_BITS("LFE Playback Volume", 2
 /*
  *
  */
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+static int run_ac97_delayed_work(struct delayed_work *dwork)
+{
+	int ret;
+
+	/* cancel any work waiting to be queued. */
+	ret = cancel_delayed_work(dwork);
+
+	/* if there was any work waiting then we run it now and
+	 * wait for it's completion */
+	if (ret) {
+		schedule_delayed_work(dwork, 0);
+		flush_scheduled_work();
+	}
+	return ret;
+}
+#endif
 
 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
 
@@ -989,8 +1006,7 @@ static int snd_ac97_free(struct snd_ac97
 {
 	if (ac97) {
 #ifdef CONFIG_SND_AC97_POWER_SAVE
-		cancel_delayed_work(&ac97->power_work);
-		flush_scheduled_work();
+		run_ac97_delayed_work(&ac97->power_work);
 #endif
 		snd_ac97_proc_done(ac97);
 		if (ac97->bus)
@@ -2417,8 +2433,7 @@ void snd_ac97_suspend(struct snd_ac97 *a
 	if (ac97->build_ops->suspend)
 		ac97->build_ops->suspend(ac97);
 #ifdef CONFIG_SND_AC97_POWER_SAVE
-	cancel_delayed_work(&ac97->power_work);
-	flush_scheduled_work();
+	run_ac97_delayed_work(&ac97->power_work);
 #endif
 	snd_ac97_powerdown(ac97);
 }

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  reply	other threads:[~2007-01-31 17:39 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-31 12:26 [PATCH] ASoC force running of delayed PM work at suspend() and remove() Liam Girdwood
2007-01-31 13:23 ` Takashi Iwai
2007-01-31 17:22   ` Liam Girdwood
2007-01-31 17:39     ` Liam Girdwood [this message]
2007-02-01 11:13       ` Takashi Iwai

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