diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/wifi/generic/acpi.c | 19 | ||||
| -rw-r--r-- | src/drivers/wifi/generic/chip.h | 3 |
2 files changed, 20 insertions, 2 deletions
diff --git a/src/drivers/wifi/generic/acpi.c b/src/drivers/wifi/generic/acpi.c index 3cc1c63aa9..f4ffa5e514 100644 --- a/src/drivers/wifi/generic/acpi.c +++ b/src/drivers/wifi/generic/acpi.c @@ -26,6 +26,9 @@ /* Unique ID for the WIFI _DSM */ #define ACPI_DSM_OEM_WIFI_UUID "F21202BF-8F78-4DC6-A5B3-1F738E285ADE" +/* Unique ID for the Wifi _DSD */ +#define ACPI_DSD_UNTRUSTED_UUID "88566a92-1a61-466d-949a-6d12809d480c" + __weak int get_wifi_sar_limits(union wifi_sar_limits *sar_limits) { return -1; @@ -508,10 +511,22 @@ static void wifi_ssdt_write_properties(const struct device *dev, const char *sco /* Scope */ acpigen_write_scope(scope); - /* Wake capabilities */ - if (config) + if (config) { + /* Wake capabilities */ acpigen_write_PRW(config->wake, ACPI_S3); + /* Add _DSD for UntrustedDevice property. */ + if (config->is_untrusted) { + struct acpi_dp *dsd, *pkg; + + dsd = acpi_dp_new_table("_DSD"); + pkg = acpi_dp_new_table(ACPI_DSD_UNTRUSTED_UUID); + acpi_dp_add_integer(pkg, "UntrustedDevice", 1); + acpi_dp_add_package(dsd, pkg); + acpi_dp_write(dsd); + } + } + /* Fill regulatory domain structure */ if (CONFIG(HAVE_REGULATORY_DOMAIN)) { /* diff --git a/src/drivers/wifi/generic/chip.h b/src/drivers/wifi/generic/chip.h index e3b0ba5698..35726f2171 100644 --- a/src/drivers/wifi/generic/chip.h +++ b/src/drivers/wifi/generic/chip.h @@ -9,6 +9,9 @@ */ struct drivers_wifi_generic_config { unsigned int wake; + /* When set to true, this will add a _DSD which contains a single + property, `UntrustedDevice`, set to 1, to the ACPI Device. */ + bool is_untrusted; }; #endif /* _GENERIC_WIFI_H_ */ |