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 a3fd3ca4c0..4a95b690b4 100644 --- a/src/drivers/wifi/generic/acpi.c +++ b/src/drivers/wifi/generic/acpi.c @@ -806,6 +806,41 @@ static void sar_emit_bbsm(const struct bbsm_profile *bbsm) acpigen_write_package_end(); } +static void sar_emit_bucs(const struct bucs_profile *bucs) +{ + if (bucs == NULL) + return; + + /* + * Name ("BUCS", Package () { + * Revision, + * Package () { + * Domain Type, // 0x12:Bluetooth + * UHB country selection bits + * } + * }) + */ + if (bucs->revision != BUCS_REVISION) { + printk(BIOS_ERR, "Unsupported BUCS table revision: %d\n", + bucs->revision); + return; + } + + acpigen_write_name("BUCS"); + acpigen_write_package(2); + acpigen_write_dword(bucs->revision); + + /* + * Emit 'Domain Type' + 'UHB country selection bits' + */ + acpigen_write_package(2); + acpigen_write_dword(DOMAIN_TYPE_BLUETOOTH); + acpigen_write_dword(bucs->uhb_country_selection); + + 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) { @@ -942,6 +977,7 @@ static void wifi_ssdt_write_properties(const struct device *dev, const char *sco sar_emit_bbfb(sar_limits.bbfb); sar_emit_bdcm(sar_limits.bdcm); sar_emit_bbsm(sar_limits.bbsm); + sar_emit_bucs(sar_limits.bucs); acpigen_write_scope_end(); } else { printk(BIOS_ERR, "Failed to get %s Bluetooth companion ACPI path\n", |