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mb/google/drallion: Add detect pin for Wacom touchscreen 

Add the missing detect pin to fix Wacom touchscreen function.

BUG=b:140415892,b:138082886
BRANCH=N/A
TEST=N/A

Change-Id: I8a1b48d4d502945b88e38393383512d30b684fa4
Signed-off-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35790
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Frank Wu 2019-10-04 17:07:07 +08:00 committed by Werner Zeh
parent 34d306ab18
commit 2431a707d3
1 changed files with 2 additions and 0 deletions
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src/mainboard/google/drallion/variants/drallion/devicetree.cb
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@ -329,6 +329,8 @@ chip soc/intel/cannonlake
register "generic.has_power_resource" = "1" register "generic.has_power_resource" = "1"
register "generic.disable_gpio_export_in_crs" = "1" register "generic.disable_gpio_export_in_crs" = "1"
register "hid_desc_reg_offset" = "0x1" register "hid_desc_reg_offset" = "0x1"
register "generic.device_present_gpio" = "GPP_B4"
register "generic.device_present_gpio_invert" = "1"
device i2c 0A on end device i2c 0A on end
end end
chip drivers/i2c/hid chip drivers/i2c/hid