i2c: mux: demux-pinctrl: Clean up sysfs attributes

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sysfs attributes should use the same format for reads and writes,
rather than pretty-printing on read.

* Make the "cur_master" attribute read back as just the name of the
  master
* Expose the list of all masters as a read-only "available_masters"
  attribute, using space separators as in similar attributes of other
  devices

Also, spell out "cur_master" in full as "current_master".

Fixes: 50a5ba8769 ("i2c: mux: demux-pinctrl: add driver")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

...

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Ben Hutchings 2016-03-31 16:40:05 +01:00 • committed by Wolfram Sang

parent 8dcf32175b

commit c0c508a418

1 changed files with 29 additions and 10 deletions

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drivers/i2c/muxes/i2c-demux-pinctrl.c

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