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 <redacted>
Reviewed-by:  Benjamin Tissoires <redacted>
---
 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