> +static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
> +{
> + struct i2s_dev_data *vg_i2s_data;
> + u16 irq_flag;
> + u32 val;
> +
> + vg_i2s_data = dev_id;
> + if (!vg_i2s_data)
> + return IRQ_NONE;
> +
> + irq_flag = 0;
> + val = acp_readl(vg_i2s_data->acp5x_base + ACP_EXTERNAL_INTR_STAT);
> + if ((val & BIT(HS_TX_THRESHOLD)) && vg_i2s_data->play_stream) {
> + acp_writel(BIT(HS_TX_THRESHOLD), vg_i2s_data->acp5x_base +
> + ACP_EXTERNAL_INTR_STAT);
> + snd_pcm_period_elapsed(vg_i2s_data->play_stream);
> + irq_flag = 1;
> + }
> + if ((val & BIT(I2S_TX_THRESHOLD)) &&
> + vg_i2s_data->i2ssp_play_stream) {
use single line?
> + acp_writel(BIT(I2S_TX_THRESHOLD),
> + vg_i2s_data->acp5x_base + ACP_EXTERNAL_INTR_STAT);
> + snd_pcm_period_elapsed(vg_i2s_data->i2ssp_play_stream);
> + irq_flag = 1;
> + }
> +
> + if ((val & BIT(HS_RX_THRESHOLD)) && vg_i2s_data->capture_stream) {
> + acp_writel(BIT(HS_RX_THRESHOLD), vg_i2s_data->acp5x_base +
> + ACP_EXTERNAL_INTR_STAT);
> + snd_pcm_period_elapsed(vg_i2s_data->capture_stream);
> + irq_flag = 1;
> + }
> + if ((val & BIT(I2S_RX_THRESHOLD)) &&
> + vg_i2s_data->i2ssp_capture_stream) {
use single line?
> + acp_writel(BIT(I2S_RX_THRESHOLD),
> + vg_i2s_data->acp5x_base + ACP_EXTERNAL_INTR_STAT);
> + snd_pcm_period_elapsed(vg_i2s_data->i2ssp_capture_stream);
> + irq_flag = 1;
> + }
> +
> + if (irq_flag)
> + return IRQ_HANDLED;
> + else
> + return IRQ_NONE;
> +}
> +
> static int acp5x_audio_probe(struct platform_device *pdev)
> {
> struct resource *res;
> struct i2s_dev_data *adata;
> + unsigned int irqflags;
> int status;
>
> if (!pdev->dev.platform_data) {
> @@ -47,6 +94,14 @@ static int acp5x_audio_probe(struct platform_device *pdev)
> resource_size(res));
> if (!adata->acp5x_base)
> return -ENOMEM;
> +
> + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
> + if (!res) {
> + dev_err(&pdev->dev, "IORESOURCE_IRQ FAILED\n");
> + return -ENODEV;
> + }
> +
> + adata->i2s_irq = res->start;
> dev_set_drvdata(&pdev->dev, adata);
> status = devm_snd_soc_register_component(&pdev->dev,
> &acp5x_i2s_component,
> @@ -55,6 +110,12 @@ static int acp5x_audio_probe(struct platform_device *pdev)
> dev_err(&pdev->dev, "Fail to register acp i2s component\n");
> return -ENODEV;
> }
> + status = devm_request_irq(&pdev->dev, adata->i2s_irq, i2s_irq_handler,
> + irqflags, "ACP5x_I2S_IRQ", adata);
> + if (status) {
> + dev_err(&pdev->dev, "ACP5x I2S IRQ request failed\n");
> + return -ENODEV;
> + }
return status?
> return 0;
> }
>
> diff --git a/sound/soc/amd/vangogh/acp5x.h b/sound/soc/amd/vangogh/acp5x.h
> index d2853738eb17..18df2b5a4283 100644
> --- a/sound/soc/amd/vangogh/acp5x.h
> +++ b/sound/soc/amd/vangogh/acp5x.h
> @@ -31,9 +31,18 @@
> #define ACP5x_HS_TDM_REG_END 0x1242824
> #define I2S_MODE 0x00
> #define ACP5x_I2S_MODE 0x00
> +#define I2S_RX_THRESHOLD 27
> +#define I2S_TX_THRESHOLD 28
> +#define HS_TX_THRESHOLD 24
> +#define HS_RX_THRESHOLD 23
>
> struct i2s_dev_data {
> + unsigned int i2s_irq;
> void __iomem *acp5x_base;
> + struct snd_pcm_substream *play_stream;
> + struct snd_pcm_substream *capture_stream;
> + struct snd_pcm_substream *i2ssp_play_stream;
> + struct snd_pcm_substream *i2ssp_capture_stream;
> };
>
> /* common header file uses exact offset rather than relative
>
