summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorMatt DeVillier <matt.devillier@gmail.com>2022-12-21 14:21:18 -0600
committerMartin L Roth <gaumless@gmail.com>2023-01-02 20:40:50 +0000
commit80bf8efeaa43dae895a747e976d7322811c2d0b4 (patch)
treea61e9b150792eec7216b832bff8a096ee186ee6d /src
parentdde327870882f1aea6bcfeee4b977e67262b2cb5 (diff)
mb/google/drallion: Use runtime detection for touchscreens
Now that power sequencing has been implemented, switch from using ACPI "probed" flag to "detect" flag for all i2c touchscreens. This removes non-present devices from the SSDT and relieves the OS of the burden of probing. BUG=b:121309055 TEST=build/boot Windows/linux on drallion, verify touchscreen functional in OS, dump ACPI and verify only i2c devices actually present on the board have entries in the SSDT. Change-Id: I67c3d1fc3d34e9b67ddb26afcaad3a47ffa92e2f Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71193 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/drallion/variants/drallion/devicetree.cb6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mainboard/google/drallion/variants/drallion/devicetree.cb b/src/mainboard/google/drallion/variants/drallion/devicetree.cb
index 6001a86e7c..3bfe6f3dba 100644
--- a/src/mainboard/google/drallion/variants/drallion/devicetree.cb
+++ b/src/mainboard/google/drallion/variants/drallion/devicetree.cb
@@ -336,7 +336,7 @@ chip soc/intel/cannonlake
register "generic.hid" = ""WCOM48E2""
register "generic.desc" = ""Wacom Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)"
- register "generic.probed" = "1"
+ register "generic.detect" = "1"
register "generic.reset_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
register "generic.reset_delay_ms" = "10"
@@ -358,7 +358,7 @@ chip soc/intel/cannonlake
register "generic.hid" = ""ELAN900C""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)"
- register "generic.probed" = "1"
+ register "generic.detect" = "1"
register "generic.reset_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
register "generic.reset_delay_ms" = "10"
@@ -379,7 +379,7 @@ chip soc/intel/cannonlake
register "hid" = ""MLFS0000""
register "desc" = ""Melfas Touchscreen""
register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)"
- register "probed" = "1"
+ register "detect" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
register "reset_delay_ms" = "10"
register "reset_off_delay_ms" = "5"