Messages in this thread | | | Subject | Re: [PATCH] i2c: Raise SDA for each received bit, if necessary | From | Thomas Zimmermann <> | Date | Fri, 13 May 2016 18:06:53 +0200 |
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Hi
Am 13.05.2016 um 12:33 schrieb Wolfram Sang: > >> I was playing with the DRM framework and an old SiS graphics card. I >> discovered this issue while trying to read the EDID from the monitor. > > So, there is no upstream user yet?
No.
>> I have a few other SiS cards/models here and they all expose this >> behavior. So I guess it's intentional(==cheaper?), although the HW docs >> don't seem mention it explicitly. > > OK. Well. As this flag is potentially dangerous, I would prefer to not > apply the patch unless there is an upstream user of this. If there is > one, I'd be okay with applying it with the flag renamed to something > like "dangerous_push_pull_bus" or similar with additional comments > saying there is some (broken) HW which needs it but nobody should get > the idea to design a bus like this. > > Makes sense?
Sure, thanks!
Best regards Thomas
> Regards, > > Wolfram >
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