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x86, olpc-xo1-sci: Add lid switch functionality

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Configure the XO-1's lid switch GPIO to trigger an SCI interrupt,
and correctly expose this input device which can be used as a wakeup
source.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Link: http://lkml.kernel.org/r/1309019658-1712-9-git-send-email-dsd@laptop.org
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Daniel Drake
2011-06-25 17:34:15 +01:00
committed by H. Peter Anvin
parent 7bc74b3df7
commit 2cf2baea10
3 changed files with 208 additions and 1 deletions
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include/linux/cs5535.h
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@@ -102,6 +102,7 @@ static inline int cs5535_pic_unreqz_select_high(unsigned int group,
/* CS5536_PM_GPE0_EN bits */
#define CS5536_GPIOM7_PME_EN (1 << 31)
#define CS5536_GPIOM6_PME_EN (1 << 30)
/* VSA2 magic values */
#define VSA_VRC_INDEX 0xAC1C