On Sun, Apr 28, 2019 at 10:28:16PM +, Chris Packham wrote:
> One other problem that I encounter is the interaction between cs-gpio
> and SPI_MASTER_GPIO_SS. Having cs-gpio automatically sets SPI_CS_HIGH
> which has the undesired side-effect that now my real chip select is
> inverted. I
On 12/04/19 8:29 PM, Mark Brown wrote:
> On Fri, Apr 12, 2019 at 05:02:10PM +1200, Chris Packham wrote:
>
>> Unfortunately recent changes have stopped my hacks from working. I've
>> tried adapting cs-gpios to work with my particular hardware but I came
>> to the realisation that the current
On Fri, Apr 12, 2019 at 05:02:10PM +1200, Chris Packham wrote:
> Unfortunately recent changes have stopped my hacks from working. I've
> tried adapting cs-gpios to work with my particular hardware but I came
> to the realisation that the current cs-gpios support assumes a 1:1
> mapping of gpio to
Hi All,
I have a hardware design where a single SPI chip select is steered by a
GPIO being asserted or de-asserted. On older kernels I was able to
(ab)use a gpio-hog and cs-gpios to deal with this.
Unfortunately recent changes have stopped my hacks from working. I've
tried adapting cs-gpios to
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