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SubjectRe: [PATCH 4/7] dt-bindings: gnss: add u-blox binding
On Thu, 3 May 2018 11:35:21 +0200
H. Nikolaus Schaller <hns@goldelico.com> wrote:


> I have realized that the w2sg0004 is an exception (although a Sirf chip)
> that it does not provide a WAKEUP signal. And another significant
> difference is that we have to keep the serdev UART enabled even if there
> is no user-space client. Otherwise we are not able to detect unexpected
> activity. So we unfortunately can't move serdev open/close into the .open
> and .close ops but need to open it in probe.
>
how much power does it use to keep the uart enabled? Or should it
better be reprogrammed as gpio?

Regards,
Andreas
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