linux-kernel - [PATCH 2/2] ASoC: wm8741: Use snd_soc_cache_sync to sync reg

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Message-ID: <1318853797.4642.3.camel@phoenix>
Date:	Mon, 17 Oct 2011 20:16:37 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>, alsa-devel@...a-project.org
Subject: [PATCH 2/2] ASoC: wm8741: Use snd_soc_cache_sync to sync reg_cache
 with the hardware

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 sound/soc/codecs/wm8741.c |   10 +---------
 1 files changed, 1 insertions(+), 9 deletions(-)

diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c
index 85ebe02..57ad22a 100644
--- a/sound/soc/codecs/wm8741.c
+++ b/sound/soc/codecs/wm8741.c
@@ -404,15 +404,7 @@ static struct snd_soc_dai_driver wm8741_dai = {
 #ifdef CONFIG_PM
 static int wm8741_resume(struct snd_soc_codec *codec)
 {
-	u16 *cache = codec->reg_cache;
-	int i;
-
-	/* RESTORE REG Cache */
-	for (i = 0; i < WM8741_REGISTER_COUNT; i++) {
-		if (cache[i] == wm8741_reg_defaults[i] || WM8741_RESET == i)
-			continue;
-		snd_soc_write(codec, i, cache[i]);
-	}
+	snd_soc_cache_sync(codec);
 	return 0;
 }
 #else
-- 
1.7.5.4



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