]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
drivers/leds/leds-lp5521.c: check if reset is successful
authorSrinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Tue, 1 Nov 2011 00:12:24 +0000 (17:12 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 1 Nov 2011 00:30:55 +0000 (17:30 -0700)
commitb3c49c05b737887443c894c66635ae68dcdf0027
treed2810d450aa00651620dfa160f74b6c8a066f6e4
parent488bc35bf40df89d37486c1826b178a2fba36ce7
drivers/leds/leds-lp5521.c: check if reset is successful

Make sure that the reset is successful by issuing a dummy read to R
channel current register and check its default value.  On some platforms,
without this dummy read, any further access to {R/G/B}_EXEC will not have
any impact.

[akpm@linux-foundation.org: fix up code comment]
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Tested-by: Naga Radhesh <naga.radheshy@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/leds/leds-lp5521.c