[alsa-devel] Intel Baytrail Linux Audio

[Vinod Koul]

On Wed, Jul 08, 2015 at 10:32:01PM +0200, Luka Karinja wrote:
> Hello guys. I have been trying to get sound on my Asus T100TAF with rt5642.
> I have been following your various threads but i'm not succesfull
> with getting sound working.
> Hoppfully you can give me a hand
> 
> The changes i made to the kernel:
> 
> diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c
> index bb19b58..b45cf3e 100644
> --- a/sound/soc/intel/atom/sst/sst_acpi.c
> +++ b/sound/soc/intel/atom/sst/sst_acpi.c
> @@ -118,7 +118,7 @@ static const struct sst_res_info byt_rvp_res_info = {
>  	.mbox_size = 0x1000,
>  	.acpi_lpe_res_index = 0,
>  	.acpi_ddr_index = 2,
> -	.acpi_ipc_irq_index = 5,
> +	.acpi_ipc_irq_index = 0,
irq index in deafult shoudl work for t100, you should see interrupts

>  };
>  static struct sst_platform_info byt_rvp_platform_data = {
> @@ -345,6 +345,8 @@ static int sst_acpi_remove(struct platform_device *pdev)
>  static struct sst_machines sst_acpi_bytcr[] = {
>  	{"10EC5640", "T100", "bytt100_rt5640", NULL, "intel/fw_sst_0f28.bin",
>  						&byt_rvp_platform_data },
> +	{"10EC5642", "T100", "bytt100_rt5640", NULL, "intel/fw_sst_0f28_ssp0.bin",
> +						&byt_rvp_platform_data },
That wont work, I have verfied with T100, it is SSP2 based, so SSP0 will nto
work here. I am trying to get this tested on latest driver and provide a
working config. Will update shortly

-- 
~Vinod