[alsa-devel] [PATCH 5/7] ASoC: amd: handle ACP3x i2s-sp watermark interrupt.

[vishnu]

Hi Mark,
Any updates on this patch.

Regards,
Vishnu

On 19/10/19 2:35 AM, Ravulapati Vishnu vardhan rao wrote:
> whenever audio data equal to I2S-SP fifo watermark level is
> produced/consumed, interrupt is generated.
> 
> Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati at amd.com>
> ---
>   sound/soc/amd/raven/acp3x-pcm-dma.c | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
> 
> diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c
> index 4fcef3f..a000ac4 100644
> --- a/sound/soc/amd/raven/acp3x-pcm-dma.c
> +++ b/sound/soc/amd/raven/acp3x-pcm-dma.c
> @@ -176,6 +176,13 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
>   		snd_pcm_period_elapsed(rv_i2s_data->play_stream);
>   		play_flag = 1;
>   	}
> +	if ((val & BIT(I2S_TX_THRESHOLD)) &&
> +				rv_i2s_data->i2ssp_play_stream) {
> +		rv_writel(BIT(I2S_TX_THRESHOLD),
> +			rv_i2s_data->acp3x_base	+ mmACP_EXTERNAL_INTR_STAT);
> +		snd_pcm_period_elapsed(rv_i2s_data->i2ssp_play_stream);
> +		play_flag = 1;
> +	}
>   
>   	if ((val & BIT(BT_RX_THRESHOLD)) && rv_i2s_data->capture_stream) {
>   		rv_writel(BIT(BT_RX_THRESHOLD), rv_i2s_data->acp3x_base +
> @@ -183,6 +190,13 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
>   		snd_pcm_period_elapsed(rv_i2s_data->capture_stream);
>   		cap_flag = 1;
>   	}
> +	if ((val & BIT(I2S_RX_THRESHOLD)) &&
> +				rv_i2s_data->i2ssp_capture_stream) {
> +		rv_writel(BIT(I2S_RX_THRESHOLD),
> +			 rv_i2s_data->acp3x_base + mmACP_EXTERNAL_INTR_STAT);
> +		snd_pcm_period_elapsed(rv_i2s_data->i2ssp_capture_stream);
> +		cap_flag = 1;
> +	}
>   
>   	if (play_flag | cap_flag)
>   		return IRQ_HANDLED;
>