diff options
Diffstat (limited to 'src/ec/google/chromeec/ec_acpi.c')
| -rw-r--r-- | src/ec/google/chromeec/ec_acpi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/ec/google/chromeec/ec_acpi.c b/src/ec/google/chromeec/ec_acpi.c index 4fcc679d70..9343d6d4f4 100644 --- a/src/ec/google/chromeec/ec_acpi.c +++ b/src/ec/google/chromeec/ec_acpi.c @@ -144,13 +144,20 @@ static void fill_ssdt_typec_device(const struct device *dev) struct ec_google_chromeec_config *config = dev->chip_info; int rv; int i; - unsigned int num_ports; + unsigned int num_ports = 0; struct device *usb2_port; struct device *usb3_port; struct device *usb4_port; struct acpi_pld pld = {0}; + uint32_t pcap_mask = 0; - if (google_chromeec_get_num_pd_ports(&num_ports)) + rv = google_chromeec_get_num_pd_ports(&num_ports); + if (rv || num_ports == 0) + return; + + /* If we can't get port caps, we shouldn't bother creating a device. */ + rv = google_chromeec_get_cmd_versions(EC_CMD_GET_PD_PORT_CAPS, &pcap_mask); + if (rv || pcap_mask == 0) return; acpigen_write_scope(acpi_device_path(dev)); |