hwmon: (applesmc) Introduce a register lookup table

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One main problem with the current driver is the inability to quickly
search for supported keys, resulting in detailed feature maps per
machine model which are cumbersome to maintain.

This patch adds a register lookup table, which enables binary search
for supported keys. The lookup also reduces the io frequency, so the
original mutex is replaced by locks around the actual io.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
[guenter.roeck@ericsson.com: Added value range check to key_at_index_store()]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

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This commit is contained in:

Henrik Rydberg

2010-11-10 10:58:03 +00:00

committed by Guenter Roeck

parent 1ee7c71bd1

commit 5874583d56

1 changed files with 302 additions and 247 deletions

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drivers/hwmon/applesmc.c

+302 -247

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