diff options
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/wifi/generic/acpi.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/drivers/wifi/generic/acpi.c b/src/drivers/wifi/generic/acpi.c index 9ed17e0b5c..0a5bee728f 100644 --- a/src/drivers/wifi/generic/acpi.c +++ b/src/drivers/wifi/generic/acpi.c @@ -666,6 +666,41 @@ static void sar_emit_wbem(const struct wbem_profile *wbem) acpigen_write_package_end(); } +static void sar_emit_bpag(const struct bpag_profile *bpag) +{ + if (bpag == NULL) + return; + + /* + * Name ("BPAG", Package () { + * Revision, + * Package () { + * Domain Type, // 0x12:Bluetooth + * Bluetooth Per-Platform Antenna Gain Mode + * } + * }) + */ + if (bpag->revision == 0 || bpag->revision > BPAG_REVISION) { + printk(BIOS_ERR, "Unsupported BPAG table revision: %d\n", + bpag->revision); + return; + } + + acpigen_write_name("BPAG"); + acpigen_write_package(2); + acpigen_write_dword(bpag->revision); + + /* + * Emit 'Domain Type' + 'Antenna Gain Mode' + */ + acpigen_write_package(2); + acpigen_write_dword(DOMAIN_TYPE_BLUETOOTH); + acpigen_write_dword(bpag->antenna_gain_country_enablement); + + acpigen_write_package_end(); + acpigen_write_package_end(); +} + static void emit_wifi_sar_acpi_structures(const struct device *dev, union wifi_sar_limits *sar_limits) { @@ -798,6 +833,7 @@ static void wifi_ssdt_write_properties(const struct device *dev, const char *sco if (path) { /* Bluetooth device under USB Hub scope or PCIe root port */ acpigen_write_scope(path); sar_emit_brds(sar_limits.bsar); + sar_emit_bpag(sar_limits.bpag); acpigen_write_scope_end(); } else { printk(BIOS_ERR, "Failed to get %s Bluetooth companion ACPI path\n", |