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Message-ID: <CAH6sp9NOgKA=NKx6yERCeHVhjHxPY=L38-p4wOU+us0xQz_Pag@mail.gmail.com> Date: Fri, 12 Jun 2015 12:02:26 +0200 From: Frans Klaver <fransklaver@...il.com> To: Hn Chen <hn.chen@...dahitech.com> Cc: linux-input@...r.kernel.org, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Dmitry Torokhov <dmitry.torokhov@...il.com> Subject: Re: [PATCH v5] Fix the resolution issue in ChromeOS On Wed, Jun 10, 2015 at 4:51 PM, Hn Chen <hn.chen@...dahitech.com> wrote: > Hi, Frans, > >> Alright, I was just wondering. Seems like a waste to be waiting for something that's already finished ;-). >> There's of course a risk that times may fluctuate between firmware versions. Did you take that into account in the code? >> Or is there a hard maximum time for these operations defined for the firmware? > Thanks for your reminding. > After I check with the firmware guy, I will change the value of delay. > What we do here is to read the data from flash and calculate their checksum and > will cost about 6ms for 1024 bytes. So there is a delay for 10 ms per 1024 bytes. > But in some situation, the controller will change it's running frequency(like do noise immunity), > 10ms could be too margin. Any chance this sort of thing could be detected? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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