linux-kernel - [PATCH 17/18] ASoC: davinci-mcasp: Assign the dma_data earlier in dai

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Message-ID: <1394702320-21743-18-git-send-email-peter.ujfalusi@ti.com>
Date:	Thu, 13 Mar 2014 11:18:39 +0200
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	<linux-kernel@...r.kernel.org>, <alsa-devel@...a-project.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <dmaengine@...r.kernel.org>
CC:	<davinci-linux-open-source@...ux.davincidsp.com>, <joelf@...com>,
	Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Tony Lindgren <tony@...mide.com>, <nsekhar@...com>,
	Jyri Sarha <jsarha@...com>, <mporter@...aro.org>,
	<vinod.koul@...el.com>, <dan.j.williams@...el.com>
Subject: [PATCH 17/18] ASoC: davinci-mcasp: Assign the dma_data earlier in dai_probe callback

Remove the dai startup callback and do the dma_data setup for dmaengine
in the dai_probe function.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 sound/soc/davinci/davinci-mcasp.c | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 5428615413e2..958933614ca4 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -717,31 +717,33 @@ static int davinci_mcasp_trigger(struct snd_pcm_substream *substream,
 	return ret;
 }
 
-static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
-				 struct snd_soc_dai *dai)
+static const struct snd_soc_dai_ops davinci_mcasp_dai_ops = {
+	.trigger	= davinci_mcasp_trigger,
+	.hw_params	= davinci_mcasp_hw_params,
+	.set_fmt	= davinci_mcasp_set_dai_fmt,
+	.set_clkdiv	= davinci_mcasp_set_clkdiv,
+	.set_sysclk	= davinci_mcasp_set_sysclk,
+};
+
+static int davinci_mcasp_dai_probe(struct snd_soc_dai *dai)
 {
 	struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai);
 
-	if (mcasp->version >= MCASP_VERSION_3)
+	if (mcasp->version >= MCASP_VERSION_3) {
 		/* Using dmaengine PCM */
-		snd_soc_dai_set_dma_data(dai, substream,
-					&mcasp->dma_data[substream->stream]);
-	else
+		dai->playback_dma_data =
+				&mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK];
+		dai->capture_dma_data =
+				&mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE];
+	} else {
 		/* Using davinci-pcm */
-		snd_soc_dai_set_dma_data(dai, substream, mcasp->dma_params);
+		dai->playback_dma_data = mcasp->dma_params;
+		dai->capture_dma_data = mcasp->dma_params;
+	}
 
 	return 0;
 }
 
-static const struct snd_soc_dai_ops davinci_mcasp_dai_ops = {
-	.startup	= davinci_mcasp_startup,
-	.trigger	= davinci_mcasp_trigger,
-	.hw_params	= davinci_mcasp_hw_params,
-	.set_fmt	= davinci_mcasp_set_dai_fmt,
-	.set_clkdiv	= davinci_mcasp_set_clkdiv,
-	.set_sysclk	= davinci_mcasp_set_sysclk,
-};
-
 #ifdef CONFIG_PM_SLEEP
 static int davinci_mcasp_suspend(struct snd_soc_dai *dai)
 {
@@ -795,6 +797,7 @@ static int davinci_mcasp_resume(struct snd_soc_dai *dai)
 static struct snd_soc_dai_driver davinci_mcasp_dai[] = {
 	{
 		.name		= "davinci-mcasp.0",
+		.probe		= davinci_mcasp_dai_probe,
 		.suspend	= davinci_mcasp_suspend,
 		.resume		= davinci_mcasp_resume,
 		.playback	= {
-- 
1.9.0

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