Hi Sergei
Sorry for my un-ordered response
> Define the generic R8A7794 part of the sound device node.
> This sound device is a complex one and comprises the Audio Clock Generator
> (ADG), Sampling Rate Converter Unit (SCU), Serial Sound Interface [Unit]
> (SSI[U]), and Audio DMAC-Peripheral-Peripheral.
> It is up to the board file to enable the device.
>
> This patch is based on the R8A7791 sound work by Kuninori Morimoto.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
(snip)
> + rcar_sound,src {
> + src1: src@1 {
> + interrupts = <GIC_SPI 353 IRQ_TYPE_LEVEL_HIGH>;
> + dmas = <&audma0 0x87>, <&audma0 0x9c>;
> + dma-names = "rx", "tx";
> + };
> + src2: src@2 {
> + interrupts = <GIC_SPI 354 IRQ_TYPE_LEVEL_HIGH>;
> + dmas = <&audma0 0x89>, <&audma0 0x9e>;
> + dma-names = "rx", "tx";
> + };
> + src3: src@3 {
> + interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>;
> + dmas = <&audma0 0x8b>, <&audma0 0xa0>;
> + dma-names = "rx", "tx";
> + };
> + src4: src@4 {
> + interrupts = <GIC_SPI 356 IRQ_TYPE_LEVEL_HIGH>;
> + dmas = <&audma0 0x8d>, <&audma0 0xb0>;
> + dma-names = "rx", "tx";
> + };
> + src5: src@5 {
> + interrupts = <GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>;
> + dmas = <&audma0 0x8f>, <&audma0 0xb2>;
> + dma-names = "rx", "tx";
> + };
> + src6: src@6 {
> + interrupts = <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH>;
> + dmas = <&audma0 0x91>, <&audma0 0xb4>;
> + dma-names = "rx", "tx";
> + };
> + };
I think this can't work correctly, because driver is assuming
DT has all channles (from 0). (see linux/sound/soc/sh/rcar/src.c :: rsnd_src_probe)
Can you adds dummy src0 with some comments ? or fix src.c driver ?
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