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mb/google/dedede/var/boten: Turn off camera during S0ix 

Add a variant specific S0ix hook to fill the SSDT table to disable and
enable camera during suspend and resume respectively.

BUG=b:206911455
TEST=Build Boten BIOS image. Ensure that camera is disabled during
suspend and enabled during resume.

Change-Id: I3229b22b8d8651bf2d9df25b10ce6749efde7cf6
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67388
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Shou-Chieh Hsu <shouchieh@google.com>
Reviewed-by: Zhuohao Lee <zhuohao@google.com>
Reviewed-by: Maulik Vaghela <maulikvaghela@google.com>
This commit is contained in:
Karthikeyan Ramasubramanian 2022-09-12 10:45:45 -06:00 committed by Martin Roth
parent 61e5816b26
commit 7125318ac4
1 changed files with 9 additions and 0 deletions
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9
src/mainboard/google/dedede/variants/boten/variant.c
View File

@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <baseboard/variants.h>
#include <delay.h>
#include <ec/google/chromeec/ec.h>
@ -46,3 +47,11 @@ const char *get_wifi_sar_cbfs_filename(void)
return WIFI_SAR_CBFS_DEFAULT_FILENAME;
}
void variant_generate_s0ix_hook(enum s0ix_entry entry)
{
if (entry == S0IX_ENTRY)
acpigen_soc_clear_tx_gpio(GPP_D13);
else if (entry == S0IX_EXIT)
acpigen_soc_set_tx_gpio(GPP_D13);
}