Jakub Czapiga has submitted this change. ( https://review.coreboot.org/c/coreboot/+/79803?usp=email )
Change subject: mb/google/rex/var/screebo: Prevent camera LED blinking during boot ......................................................................
mb/google/rex/var/screebo: Prevent camera LED blinking during boot
Configure _DSC to ACPI_DEVICE_SLEEP_D3_COLD so that driver skips initial probe during kernel boot, preventing privacy LED blink.
BUG=b:317434358 TEST=none
Change-Id: I43044e64c2c3a645ec0cad2ac903cc19ac89c9af Signed-off-by: Jason Chen jason.z.chen@intel.corp-partner.google.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/79803 Reviewed-by: Subrata Banik subratabanik@google.com Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Kapil Porwal kapilporwal@google.com Reviewed-by: Wentao Qin qinwentao@huaqin.corp-partner.google.com --- M src/mainboard/google/rex/variants/screebo/overridetree.cb 1 file changed, 1 insertion(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Wentao Qin: Looks good to me, but someone else must approve Subrata Banik: Looks good to me, approved Kapil Porwal: Looks good to me, approved
diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb index 83366ae..a3ab01c 100644 --- a/src/mainboard/google/rex/variants/screebo/overridetree.cb +++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb @@ -514,6 +514,7 @@ register "num_freq_entries" = "1" register "link_freq[0]" = "400 * MHz" register "remote_name" = ""IPU0"" + register "max_dstate_for_probe" = "ACPI_DEVICE_SLEEP_D3_COLD"
register "has_power_resource" = "1" #Controls