On Mon, Feb 17, 2020 at 10:33:58PM +0100, Noralf Trønnes wrote: > Den 17.02.2020 13.11, skrev Mark Brown: > > This looks like you just don't support a straight write operation, if > > you need to do this emulation push it up the stack. > After going through the stack I realise that I have a problem. > What I have failed to fully comprehend is this regmap requirement: > if (val_len % map->format.val_bytes) > return -EINVAL; > There will be a spi and i2c driver down the line which will transfer > buffers of any size, and having to use 8-bit register values will not be > great. Out of interest why are 8 bit registers going to be a problem?
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