linux-kernel - [PATCH] ALSA Au1xpsc: psc not disabled when TX is idle

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Date:	Tue, 15 Jul 2008 14:44:24 +0200
From:	Roel Kluin <roel.kluin@...il.com>
To:	mano@...rinelk.homelinux.net
CC:	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH]  ALSA Au1xpsc: psc not disabled when TX is idle

Untested patch
---
TX idleness isn't tested, but RX twice. PSC is not disabled when TX is idle

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
diff --git a/sound/soc/au1x/psc-i2s.c b/sound/soc/au1x/psc-i2s.c
index ba4b5c1..9384702 100644
--- a/sound/soc/au1x/psc-i2s.c
+++ b/sound/soc/au1x/psc-i2s.c
@@ -231,7 +231,7 @@ static int au1xpsc_i2s_stop(struct au1xpsc_audio_data *pscdata, int stype)

        /* if both TX and RX are idle, disable PSC */
        stat = au_readl(I2S_STAT(pscdata));
-       if (!(stat & (PSC_I2SSTAT_RB | PSC_I2SSTAT_RB))) {
+       if (!(stat & (PSC_I2SSTAT_TB | PSC_I2SSTAT_RB))) {
                au_writel(0, I2S_CFG(pscdata));
                au_sync();
                au_writel(PSC_CTRL_SUSPEND, PSC_CTRL(pscdata));
--
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