i2c: mux: mlxcpld: Prepare mux selection infrastructure for two-byte support

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Allow to program register value zero to the mux register, which is
required for word address mux register space support.
Change key selector type from 'unsigned short' to 'integer' in order to
allow to set it to -1 on deselection.
Rename key selector field from 'last_chan' to 'last_val', since this
fields keeps actually selector value and not channel number.

Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

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Vadim Pasternak 2021-02-08 22:16:02 +02:00 • committed by Wolfram Sang

parent 84af1b168c

commit 8156693808

1 changed files with 9 additions and 9 deletions

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drivers/i2c/muxes/i2c-mux-mlxcpld.c

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