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ASoC: tegra_alt: Use DMA channel name from DT

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This change is to use DMA channel name from DT when pcm driver
requests the dma channel to dma engine.

Bug 1488342

Change-Id: I4b2518ce14caa366b834848571577273c4144ac6
Signed-off-by: Songhee Baek <sbaek@nvidia.com>
Reviewed-on: http://git-master/r/401167
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Tested-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
This commit is contained in:
Songhee Baek
2014-04-24 17:48:10 -07:00
committed by Sameer Pujar
parent d9c7333753
commit 790ac51a9d
1 changed files with 18 additions and 0 deletions
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18
sound/soc/tegra-alt/tegra210_admaif_alt.c
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@@ -526,10 +526,28 @@ static int tegra210_admaif_probe(struct platform_device *pdev)
admaif->playback_dma_data[i].wrap = 4; admaif->playback_dma_data[i].wrap = 4;
admaif->playback_dma_data[i].width = 32; admaif->playback_dma_data[i].width = 32;
admaif->playback_dma_data[i].req_sel = i + 1; admaif->playback_dma_data[i].req_sel = i + 1;
if (of_property_read_string_index(pdev->dev.of_node,
"dma-names",
(i * 2) + 1,
&admaif->playback_dma_data[i].chan_name) < 0) {
dev_err(&pdev->dev,
"Missing property nvidia,dma-names\n");
ret = -ENODEV;
goto err_suspend;
}
admaif->capture_dma_data[i].wrap = 4; admaif->capture_dma_data[i].wrap = 4;
admaif->capture_dma_data[i].width = 32; admaif->capture_dma_data[i].width = 32;
admaif->capture_dma_data[i].req_sel = i + 1; admaif->capture_dma_data[i].req_sel = i + 1;
if (of_property_read_string_index(pdev->dev.of_node,
"dma-names",
(i * 2),
&admaif->capture_dma_data[i].chan_name) < 0) {
dev_err(&pdev->dev,
"Missing property nvidia,dma-names\n");
ret = -ENODEV;
goto err_suspend;
}
} }
ret = snd_soc_register_component(&pdev->dev, ret = snd_soc_register_component(&pdev->dev,