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163ddf1feaThis helper converts the given bits per word to bytes. The result
will always be power-of-two, e.g.,
=============== =================
Input (in bits) Output (in bytes)
=============== =================
5 1
9 2
21 4
37 8
=============== =================
It will return 0 for the 0 input.
There are a couple of cases in SPI that are using the same approach
and at least one more (in IIO) would benefit of it. Add a helper
for everyone.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250417152529.490582-2-andriy.shevchenko@linux.intel.com
Acked-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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