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ASoC: davinci-mcasp: Support for combined tx/rx interrupt line
Some SoC, like da850/OMAP-L138 uses one common interrupt request for TX/RX events. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -364,6 +364,20 @@ static irqreturn_t davinci_mcasp_rx_irq_handler(int irq, void *data)
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return IRQ_RETVAL(handled_mask);
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}
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static irqreturn_t davinci_mcasp_common_irq_handler(int irq, void *data)
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{
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struct davinci_mcasp *mcasp = (struct davinci_mcasp *)data;
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irqreturn_t ret = IRQ_NONE;
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if (mcasp->substreams[SNDRV_PCM_STREAM_PLAYBACK])
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ret = davinci_mcasp_tx_irq_handler(irq, data);
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if (mcasp->substreams[SNDRV_PCM_STREAM_CAPTURE])
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ret |= davinci_mcasp_rx_irq_handler(irq, data);
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return ret;
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}
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static int davinci_mcasp_set_dai_fmt(struct snd_soc_dai *cpu_dai,
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unsigned int fmt)
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{
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@ -1441,6 +1455,22 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
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mcasp->dev = &pdev->dev;
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irq = platform_get_irq_byname(pdev, "common");
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if (irq >= 0) {
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irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_common\n",
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dev_name(&pdev->dev));
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ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
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davinci_mcasp_common_irq_handler,
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IRQF_ONESHOT, irq_name, mcasp);
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if (ret) {
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dev_err(&pdev->dev, "common IRQ request failed\n");
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goto err;
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}
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mcasp->irq_request[SNDRV_PCM_STREAM_PLAYBACK] = XUNDRN;
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mcasp->irq_request[SNDRV_PCM_STREAM_CAPTURE] = ROVRN;
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}
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irq = platform_get_irq_byname(pdev, "rx");
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if (irq >= 0) {
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irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_rx\n",
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