regmap: Apply optional delay in multi_reg_write/register_patch
Add an optional delay_us field in reg_sequence to allow the client to specify a delay (in microseconds) to be applied after any given write in a sequence of writes. We treat a delay in a sequence the same way we treat a page change as they are logically similar in that you can coalesce all write before a delay (in the same way you can coalesce all writes before a page change is needed) Signed-off-by:Nariman Poushin <nariman@opensource.wolfsonmicro.com> Signed-off-by:
Mark Brown <broonie@kernel.org>
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