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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2008-03-18 09:47:48 +0000
committerRichard Purdie <rpurdie@rpsys.net>2008-04-24 23:37:42 +0100
commit29d76dfa29fe22583aefddccda0bc56aa81035dc (patch)
treefbae9207af63cb270b715a29ee7dc053d7b8a037 /net/tipc/netlink.c
parentca3259b3603539e72faacc6821050ee889a52103 (diff)
leds: Add support to leds with readable status
Some led hardware allows drivers to query the led state, and this patch adds a hook to let the led class take advantage of that information when available. Without this functionality, when access to the led hardware is not exclusive (i.e. firmware or hardware might change its state behind the kernel's back), reality goes out of sync with the led class' idea of what the led is doing, which is annoying at best. Behaviour for drivers that do not or cannot read the led status is unchanged. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'net/tipc/netlink.c')
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