[alsa-devel] [PATCH] ASoC: codecs: Max98095: Fix logging of hardware revision.

Peter Hsiang Peter.Hsiang at maxim-ic.com
Tue Jun 21 02:43:58 CEST 2011


On Mon, Jun 20, 2011, Mark Brown wrote:
> On Mon, Jun 20, 2011 at 11:54:32AM -0700, Taylor Hutt wrote:
> > The base hardware revision of the Maxim 98095 part is 0x40; the code
> > which outputs the revision of the hardware has been updated to
> > properly use uppercase alphabetic values for the revision numbers.
> 
> Are you sure that this is true for all devices that might be supported
> by the driver (I'm guessing there may be other variants)?  There's
> often a drift between silicon and package revisions which gets papered 
> over by datasheets and ignored by drivers.

I checked with hardware engineering and was told 0x40=RevA, 0x41=RevB..

Would a raw value or the use of a 0x3F bit mask be more acceptable?

Peter


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