When we configure the PLL record the input and output frequency, then if we
get asked to configure the same values again just skip reprogramming the
hardware. This makes things a bit easier to use for machine drivers since
it means they don't need to keep track of if they've programmed the PLL
so much.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220603103530.3844527-1-broonie@kernel.orgSigned-off-by: Mark Brown <broonie@kernel.org>