Export scan type for each driver

For each driver, export the scan type supported by the devices it
handles. This allows front-ends to direct the user better.

libfprint/core.c

@@ -710,6 +710,16 @@ API_EXPORTED uint16_t fp_driver_get_driver_id(struct fp_driver *drv)
 	return drv->id;
 }
 
+/** \ingroup drv
+ * Retrieves the scan type for the devices associated with the driver.
+ * \param drv the driver
+ * \returns the scan type
+ */
+API_EXPORTED enum fp_scan_type fp_driver_get_scan_type(struct fp_driver *drv)
+{
+	return drv->scan_type;
+}
+
 static struct fp_img_dev *dev_to_img_dev(struct fp_dev *dev)
 {
 	if (dev->drv->type != DRIVER_IMAGING)

libfprint/drivers/aes1610.c

@@ -532,6 +532,7 @@ struct fp_img_driver aes1610_driver = {
 		.name = FP_COMPONENT,
 		.full_name = "AuthenTec AES1610",
 		.id_table = id_table,
+		.scan_type = FP_SCAN_TYPE_SWIPE,
 	},
 	.flags = 0,
 	.img_height = -1,

libfprint/drivers/aes2501.c

@@ -949,6 +949,7 @@ struct fp_img_driver aes2501_driver = {
 		.name = FP_COMPONENT,
 		.full_name = "AuthenTec AES2501",
 		.id_table = id_table,
+		.scan_type = FP_SCAN_TYPE_SWIPE,
 	},
 	.flags = 0,
 	.img_height = -1,

libfprint/drivers/aes4000.c

@@ -253,6 +253,7 @@ struct fp_img_driver aes4000_driver = {
 		.name = FP_COMPONENT,
 		.full_name = "AuthenTec AES4000",
 		.id_table = id_table,
+		.scan_type = FP_SCAN_TYPE_PRESS,
 	},
 	.flags = 0,
 	.img_height = IMG_HEIGHT * ENLARGE_FACTOR,

libfprint/drivers/fdu2000.c

@@ -309,6 +309,7 @@ struct fp_img_driver fdu2000_driver = {
 		.name = FP_COMPONENT,
 		.full_name = "Secugen FDU 2000",
 		.id_table = id_table,
+		.scan_type = FP_SCAN_TYPE_PRESS,
 	},
 	.img_height = RAW_IMAGE_HEIGTH,
 	.img_width = RAW_IMAGE_WIDTH,

libfprint/drivers/upeksonly.c

@@ -1022,6 +1022,7 @@ struct fp_img_driver upeksonly_driver = {
 		.name = FP_COMPONENT,
 		.full_name = "UPEK TouchStrip Sensor-Only",
 		.id_table = id_table,
+		.scan_type = FP_SCAN_TYPE_SWIPE,
 	},
 	.flags = 0,
 	.img_width = IMG_WIDTH,

libfprint/drivers/upektc.c

@@ -402,6 +402,7 @@ struct fp_img_driver upektc_driver = {
 		.name = FP_COMPONENT,
 		.full_name = "UPEK TouchChip",
 		.id_table = id_table,
+		.scan_type = FP_SCAN_TYPE_PRESS,
 	},
 	.flags = FP_IMGDRV_SUPPORTS_UNCONDITIONAL_CAPTURE,
 	.img_height = 288,

libfprint/drivers/upekts.c

@@ -1465,6 +1465,7 @@ struct fp_driver upekts_driver = {
 	.name = FP_COMPONENT,
 	.full_name = "UPEK TouchStrip",
 	.id_table = id_table,
+	.scan_type = FP_SCAN_TYPE_SWIPE,
 	.open = dev_init,
 	.close = dev_exit,
 	.enroll_start = enroll_start,

libfprint/drivers/uru4000.c

@@ -1227,6 +1227,7 @@ struct fp_img_driver uru4000_driver = {
 		.name = FP_COMPONENT,
 		.full_name = "Digital Persona U.are.U 4000/4000B",
 		.id_table = id_table,
+		.scan_type = FP_SCAN_TYPE_PRESS,
 	},
 	.flags = FP_IMGDRV_SUPPORTS_UNCONDITIONAL_CAPTURE,
 	.img_height = 289,

libfprint/drivers/vcom5s.c

@@ -372,6 +372,7 @@ struct fp_img_driver vcom5s_driver = {
 		.name = FP_COMPONENT,
 		.full_name = "Veridicom 5thSense",
 		.id_table = id_table,
+		.scan_type = FP_SCAN_TYPE_PRESS,
 	},
 	.flags = 0,
 	.img_height = IMG_HEIGHT,

libfprint/fp_internal.h

@@ -199,6 +199,7 @@ struct fp_driver {
 	const char *full_name;
 	const struct usb_id * const id_table;
 	enum fp_driver_type type;
+	enum fp_scan_type scan_type;
 
 	void *priv;
 

libfprint/fprint.h

@@ -51,10 +51,21 @@ enum fp_finger {
 	RIGHT_LITTLE, /** little finger (right hand) */
 };
 
+/** \ingroup dev
+ * Numeric codes used to refer to the scan type of the device. Devices require
+ * either swiping or pressing the finger on the device. This is useful for
+ * front-ends.
+ */
+enum fp_scan_type {
+	FP_SCAN_TYPE_PRESS = 0, /** press */
+	FP_SCAN_TYPE_SWIPE, /** swipe */
+};
+
 /* Drivers */
 const char *fp_driver_get_name(struct fp_driver *drv);
 const char *fp_driver_get_full_name(struct fp_driver *drv);
 uint16_t fp_driver_get_driver_id(struct fp_driver *drv);
+enum fp_scan_type fp_driver_get_scan_type(struct fp_driver *drv);
 
 /* Device discovery */
 struct fp_dscv_dev **fp_discover_devs(void);