diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-11-04 17:05:42 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-05 09:14:13 -0400 |
| commit | f562be51fe9021c913e661c46681cb5bae70f369 (patch) | |
| tree | 61dea5f616064563b690e2721542f4656771b535 | |
| parent | bf0199b7a5085e8d1908d2b0a9c530ed8d142fb8 (diff) | |
| download | op-kernel-dev-f562be51fe9021c913e661c46681cb5bae70f369.zip op-kernel-dev-f562be51fe9021c913e661c46681cb5bae70f369.tar.gz | |
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>
| -rw-r--r-- | sound/soc/imx/imx-ssi.c | 44 | ||||
| -rw-r--r-- | sound/soc/imx/imx-ssi.h | 1 |
2 files changed, 30 insertions, 15 deletions
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c index d4bd345..d2d98c7 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 53b780d..4fc17da 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, |
