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UPSTREAM: google/chromeec: Add support for cros_ec_keyb device

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This is required to pass button information from EC to kernel without
using 8042 keyboard driver.
1. Define EC buttons device using GOOG0007 ACPI ID.
2. Guard enabling of this device using EC_ENABLE_MKBP_DEVICE.

BUG=b:35774934
BRANCH=None
TEST=Verified using evtest that kernel is able to get button
press/release information from EC.

Change-Id: I30e42c66dec3a639c172df465a98e8bb9c03ebdd
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: d4a0a348e4
Original-Change-Id: I4578f16648305350d36fb50f2a5d2285514daed4
Original-Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-on: https://review.coreboot.org/18641
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: build bot (Jenkins)
Reviewed-on: https://chromium-review.googlesource.com/452371
This commit is contained in:
Furquan Shaikh 2017-03-06 14:56:58 -08:00 • committed by chrome-bot
commit 59d08a9f1c
1 changed files with 9 additions and 0 deletions
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9
src/ec/google/chromeec/acpi/cros_ec.asl
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@ -18,4 +18,13 @@ Device (CREC)
Name (_HID, "GOOG0004")
Name (_UID, 1)
Name (_DDN, "EC Command Device")
#ifdef EC_ENABLE_MKBP_DEVICE
Device (CKSC)
{
Name (_HID, "GOOG0007")
Name (_UID, 1)
Name (_DDN, "EC MKBP Device")
}
#endif
}