linux-kernel - [PATCH 5/5] snd-ice1712: Fix resume on ice1724

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Message-Id: <1347994716-10251-6-git-send-email-linux@rainbow-software.org>
Date:	Tue, 18 Sep 2012 20:58:36 +0200
From:	Ondrej Zary <linux@...nbow-software.org>
To:	alsa-devel@...a-project.org
Cc:	linux-kernel@...r.kernel.org, broonie@...nsource.wolfsonmicro.com
Subject: [PATCH 5/5] snd-ice1712: Fix resume on ice1724

set_pro_rate() is called from hw_params() but not from prepare(), breaking running PCM on suspend/resume.
Call it from prepare() if PCM was suspended to fix the problem.

Signed-off-by: Ondrej Zary <linux@...nbow-software.org>
---
 sound/pci/ice1712/ice1724.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 0eb7ec6..ade3354 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -783,6 +783,13 @@ static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 	unsigned char val;
 	unsigned int size;
+	int err;
+
+	if (substream->runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
+		err = snd_vt1724_set_pro_rate(ice, substream->runtime->rate, 0);
+		if (err < 0)
+			return err;
+	}
 
 	spin_lock_irq(&ice->reg_lock);
 	val = (8 - substream->runtime->channels) >> 1;
@@ -853,6 +860,13 @@ static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
+	int err;
+
+	if (substream->runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
+		err = snd_vt1724_set_pro_rate(ice, substream->runtime->rate, 0);
+		if (err < 0)
+			return err;
+	}
 
 	spin_lock_irq(&ice->reg_lock);
 	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
-- 
Ondrej Zary

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