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authorSascha Hauer <s.hauer@pengutronix.de>2010-11-04 17:05:42 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-05 09:14:13 -0400
commitf562be51fe9021c913e661c46681cb5bae70f369 (patch)
tree61dea5f616064563b690e2721542f4656771b535 /sound
parentbf0199b7a5085e8d1908d2b0a9c530ed8d142fb8 (diff)
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ASoC i.MX: register dma audio device
We have two different transfer methods on i.MX: FIQ and DMA. Since the merge of the ASoC multicomponent support the DMA device is lost. Add it again. Also, imx_ssi_dai_probe has to be called for !AC97 aswell. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/imx/imx-ssi.c44
-rw-r--r--sound/soc/imx/imx-ssi.h1
2 files changed, 30 insertions, 15 deletions
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index d4bd345b0a8..d2d98c75ee8 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -439,7 +439,22 @@ void imx_pcm_free(struct snd_pcm *pcm)
}
EXPORT_SYMBOL_GPL(imx_pcm_free);
+static int imx_ssi_dai_probe(struct snd_soc_dai *dai)
+{
+ struct imx_ssi *ssi = dev_get_drvdata(dai->dev);
+ uint32_t val;
+
+ snd_soc_dai_set_drvdata(dai, ssi);
+
+ val = SSI_SFCSR_TFWM0(ssi->dma_params_tx.burstsize) |
+ SSI_SFCSR_RFWM0(ssi->dma_params_rx.burstsize);
+ writel(val, ssi->base + SSI_SFCSR);
+
+ return 0;
+}
+
static struct snd_soc_dai_driver imx_ssi_dai = {
+ .probe = imx_ssi_dai_probe,
.playback = {
.channels_min = 2,
.channels_max = 2,
@@ -455,20 +470,6 @@ static struct snd_soc_dai_driver imx_ssi_dai = {
.ops = &imx_ssi_pcm_dai_ops,
};
-static int imx_ssi_dai_probe(struct snd_soc_dai *dai)
-{
- struct imx_ssi *ssi = dev_get_drvdata(dai->dev);
- uint32_t val;
-
- snd_soc_dai_set_drvdata(dai, ssi);
-
- val = SSI_SFCSR_TFWM0(ssi->dma_params_tx.burstsize) |
- SSI_SFCSR_RFWM0(ssi->dma_params_rx.burstsize);
- writel(val, ssi->base + SSI_SFCSR);
-
- return 0;
-}
-
static struct snd_soc_dai_driver imx_ac97_dai = {
.probe = imx_ssi_dai_probe,
.ac97_control = 1,
@@ -677,7 +678,17 @@ static int imx_ssi_probe(struct platform_device *pdev)
goto failed_register;
}
- ssi->soc_platform_pdev = platform_device_alloc("imx-fiq-pcm-audio", pdev->id);
+ ssi->soc_platform_pdev_fiq = platform_device_alloc("imx-fiq-pcm-audio", pdev->id);
+ if (!ssi->soc_platform_pdev_fiq)
+ goto failed_pdev_fiq_alloc;
+ platform_set_drvdata(ssi->soc_platform_pdev_fiq, ssi);
+ ret = platform_device_add(ssi->soc_platform_pdev_fiq);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add platform device\n");
+ goto failed_pdev_fiq_add;
+ }
+
+ ssi->soc_platform_pdev = platform_device_alloc("imx-pcm-audio", pdev->id);
if (!ssi->soc_platform_pdev)
goto failed_pdev_alloc;
platform_set_drvdata(ssi->soc_platform_pdev, ssi);
@@ -692,6 +703,9 @@ static int imx_ssi_probe(struct platform_device *pdev)
failed_pdev_add:
platform_device_put(ssi->soc_platform_pdev);
failed_pdev_alloc:
+failed_pdev_fiq_add:
+ platform_device_put(ssi->soc_platform_pdev_fiq);
+failed_pdev_fiq_alloc:
snd_soc_unregister_dai(&pdev->dev);
failed_register:
failed_ac97:
diff --git a/sound/soc/imx/imx-ssi.h b/sound/soc/imx/imx-ssi.h
index 53b780d9b2b..4fc17da1186 100644
--- a/sound/soc/imx/imx-ssi.h
+++ b/sound/soc/imx/imx-ssi.h
@@ -212,6 +212,7 @@ struct imx_ssi {
int enabled;
struct platform_device *soc_platform_pdev;
+ struct platform_device *soc_platform_pdev_fiq;
};
struct snd_soc_platform *imx_ssi_fiq_init(struct platform_device *pdev,