diff options
| -rw-r--r-- | drivers/mfd/cros_ec_dev.c | 10 | ||||
| -rw-r--r-- | include/linux/mfd/cros_ec.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index a3b319913097..71a01a096595 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -419,6 +419,16 @@ static int ec_device_probe(struct platform_device *pdev) device_initialize(&ec->class_dev); cdev_init(&ec->cdev, &fops); + /* Check whether this is actually a Fingerprint MCU rather than an EC */ + if (cros_ec_check_features(ec, EC_FEATURE_FINGERPRINT)) { + dev_info(dev, "CrOS Fingerprint MCU detected.\n"); + /* + * Help userspace differentiating ECs from FP MCU, + * regardless of the probing order. + */ + ec_platform->ec_name = CROS_EC_DEV_FP_NAME; + } + /* * Check whether this is actually an Integrated Sensor Hub (ISH) * rather than an EC. diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index 31c88a0070a3..276079699504 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -23,6 +23,7 @@ #include <linux/mutex.h> #define CROS_EC_DEV_NAME "cros_ec" +#define CROS_EC_DEV_FP_NAME "cros_fp" #define CROS_EC_DEV_PD_NAME "cros_pd" #define CROS_EC_DEV_ISH_NAME "cros_ish" |