diff options
| -rw-r--r-- | host/arch/arm/lib/crossystem_arch.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/host/arch/arm/lib/crossystem_arch.c b/host/arch/arm/lib/crossystem_arch.c index 2702f8ef..539d765b 100644 --- a/host/arch/arm/lib/crossystem_arch.c +++ b/host/arch/arm/lib/crossystem_arch.c @@ -34,7 +34,8 @@ #define FDT_COMPATIBLE_PATH "/proc/device-tree/compatible" /* Path to the chromeos_arm platform device (deprecated) */ #define PLATFORM_DEV_PATH "/sys/devices/platform/chromeos_arm" -/* This should match the Linux GPIO name (i.e., 'gpio-line-names'). */ +/* These should match the Linux GPIO name (i.e., 'gpio-line-names'). */ +#define GPIO_NAME_RECOVERY_SW_L "RECOVERY_SW_L" #define GPIO_NAME_WP_L "AP_FLASH_WP_L" /* Device for NVCTX write */ #define NVCTX_PATH "/dev/mmcblk%d" @@ -547,6 +548,11 @@ int VbGetArchPropertyInt(const char* name) return VbGetVarGpio("developer-switch"); } else if (!strcasecmp(name, "recoverysw_cur")) { int value; + /* Try GPIO chardev API first. */ + value = gpiod_read(GPIO_NAME_RECOVERY_SW_L, true); + if (value != -1) + return value; + /* Try the deprecated chromeos_arm platform device next. */ value = VbGetPlatformGpioStatus("recovery"); if (value != -1) return value; |