[alsa-devel] Fwd: [PATCH 1/1] SPI : spi-pxa2xx : fix spi init of WM510205 codec via ACPI (resend)

Christian Hartmann cornogle at googlemail.com
Tue Sep 1 11:45:31 CEST 2015


hi

2015-08-28 11:50 GMT+02:00 Christian Hartmann <cornogle at googlemail.com>:
>
>  and thats what I got:
>
> [    6.182903] pxa2xx-spi 80860F0E:00: bus_num = -1
> [    6.182909] pxa2xx-spi 80860F0E:00: num_chipselect = 2
> [    6.182928] pxa2xx-spi 80860F0E:00: IRQ 194
> [    6.183049] pxa2xx-spi 80860F0E:00: no DMA channels available, using PIO
> [    6.183111] pxa2xx-spi 80860F0E:00: registered master spi32766 (dynamic)
> [    6.192761] spi spi-WM510205:00: 8333333 Hz actual, PIO
> .... the rest of the dmesg is currently the same....
>
>
> Q:  this thread is about the patch for the pxa2xx-spi where the
> num_chipselect was raised by one to so that the slave connects here at
> all. otherwise the cs1 >= max will be hit.
> Do you think the bus_number is ok ?
> And shouldn't it be set the cs1=0 and num_chipselect=1  ??

What is with the bus_num ? where can I find the correct one ?
I have no working example, is it possible to find the right settings
only via a windows installation??

cheers
chris


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