[PATCH] HID: wacom - PAD is independent with pen/touch

[Ping Cheng <pinglinux@gmail.com>]

PAD can be on pen interface (Intuos Pro and Cintiq series) or touch
interface (Bamboo PT and Intuos PT series) or its own interface
(Bamboo pen-only and Intuos Pen M/S). We need to mark it independently.

Signed-off-by: Ping Cheng <pingc@wacom.com>
Reviewed-by:  Benjamin Tissoires <benjamin.tissoires@redhat.com>
---
 drivers/hid/wacom_sys.c | 8 +++++---
 drivers/hid/wacom_wac.h | 1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 68b6cd6..eb55316 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1135,7 +1135,7 @@ static void wacom_clean_inputs(struct wacom *wacom)
 			input_free_device(wacom->wacom_wac.input);
 	}
 	if (wacom->wacom_wac.pad_input) {
-		if (wacom->wacom_wac.input_registered)
+		if (wacom->wacom_wac.pad_registered)
 			input_unregister_device(wacom->wacom_wac.pad_input);
 		else
 			input_free_device(wacom->wacom_wac.pad_input);
@@ -1162,6 +1162,7 @@ static int wacom_register_inputs(struct wacom *wacom)
 		error = input_register_device(input_dev);
 		if (error)
 			return error;
+		wacom_wac->input_registered = true;
 	}
 
 	error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac);
@@ -1174,22 +1175,23 @@ static int wacom_register_inputs(struct wacom *wacom)
 		error = input_register_device(pad_input_dev);
 		if (error)
 			goto fail_register_pad_input;
+		wacom_wac->pad_registered = true;
 
 		error = wacom_initialize_leds(wacom);
 		if (error)
 			goto fail_leds;
 	}
 
-	wacom_wac->input_registered = true;
-
 	return 0;
 
 fail_leds:
 	input_unregister_device(pad_input_dev);
 	pad_input_dev = NULL;
+	wacom_wac->pad_registered = false;
 fail_register_pad_input:
 	input_unregister_device(input_dev);
 	wacom_wac->input = NULL;
+	wacom_wac->input_registered = false;
 	return error;
 }
 
diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h
index 0f0b85e..128cbb3 100644
--- a/drivers/hid/wacom_wac.h
+++ b/drivers/hid/wacom_wac.h
@@ -183,6 +183,7 @@ struct wacom_wac {
 	struct input_dev *input;
 	struct input_dev *pad_input;
 	bool input_registered;
+	bool pad_registered;
 	int pid;
 	int battery_capacity;
 	int num_contacts_left;
-- 
1.9.1