diff options
| -rw-r--r-- | host/arch/x86/lib/crossystem_arch.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/host/arch/x86/lib/crossystem_arch.c b/host/arch/x86/lib/crossystem_arch.c index 670ce364..1db81fd9 100644 --- a/host/arch/x86/lib/crossystem_arch.c +++ b/host/arch/x86/lib/crossystem_arch.c @@ -452,17 +452,19 @@ static int ReadGpio(int signal_type) { if (active_high == -1 || controller_offset == -1) return -1; /* Missing needed info */ - /* We only support the NM10 for now */ + /* Check for chipsets we recognize. */ snprintf(name, sizeof(name), "%s.%d/GPIO.3", ACPI_GPIO_PATH, index); if (!ReadFileString(controller_name, sizeof(controller_name), name)) return -1; - if (0 != strcmp(controller_name, "NM10")) + if ((0 != strcmp(controller_name, "NM10")) && + (0 != strcmp(controller_name, "CougarPoint"))) return -1; - /* Assume the NM10 has offset 192 */ - /* TODO: should really check gpiochipNNN/label to see if it's the - * address we expect for the NM10, and then read the offset from - * gpiochipNNN/base. */ + /* We blindly assume the controller has offset 192. + * There is some information under /sys/class/gpio/gpiochip192/, + * but there's nothing there to correlate that with anything we already + * discovered, so if it's not the right thing we have no way of knowing. + */ controller_offset += 192; /* Try reading the GPIO value */ |