diff options
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index d8634a726990..6d081c496ccc 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -470,6 +470,25 @@ struct mei_dev_timeouts { }; /** + * enum mei_dev_kind - device type + * + * @MEI_DEV_KIND_MEI: basic device + * @MEI_DEV_KIND_ITOUCH: itouch support + * @MEI_DEV_KIND_GSC: discete graphics content protection + * @MEI_DEV_KIND_GSCFI: discete graphics chassis controller + * @MEI_DEV_KIND_IVSC: visual sensing controller + * @MEI_DEV_KIND_MAX: sentinel + */ +enum mei_dev_kind { + MEI_DEV_KIND_MEI, + MEI_DEV_KIND_ITOUCH, + MEI_DEV_KIND_GSC, + MEI_DEV_KIND_GSCFI, + MEI_DEV_KIND_IVSC, + MEI_DEV_KIND_MAX +}; + +/** * struct mei_device - MEI private device struct * * @parent : device on a bus @@ -650,7 +669,7 @@ struct mei_device { struct list_head device_list; struct mutex cl_bus_lock; - const char *kind; + enum mei_dev_kind kind; #if IS_ENABLED(CONFIG_DEBUG_FS) struct dentry *dbgfs_dir; @@ -911,8 +930,7 @@ static inline ssize_t mei_fw_status_str(struct mei_device *dev, */ static inline bool kind_is_gsc(struct mei_device *dev) { - /* check kind for NULL because it may be not set, like at the fist call to hw_start */ - return dev->kind && (strcmp(dev->kind, "gsc") == 0); + return dev->kind == MEI_DEV_KIND_GSC; } /** @@ -924,7 +942,6 @@ static inline bool kind_is_gsc(struct mei_device *dev) */ static inline bool kind_is_gscfi(struct mei_device *dev) { - /* check kind for NULL because it may be not set, like at the fist call to hw_start */ - return dev->kind && (strcmp(dev->kind, "gscfi") == 0); + return dev->kind == MEI_DEV_KIND_GSCFI; } #endif |