Commit f6b7efc1 authored by Przemo Firszt's avatar Przemo Firszt Committed by Jiri Kosina
Browse files

HID: wacom: Move parsing to a separate function 



This patch doesn't change the way driver works. Parsing logic is now in a
separate function. It's a first step to add Intuos4 Wireless support to
hid-wacom driver.

Signed-off-by: default avatarPrzemo Firszt <przemo@firszt.eu>
Acked-by: default avatarPing Cheng <pinglinux@gmail.com>
Reviewed-by: default avatarChris Bagwell <chris@cnpbagwell.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 30307c69

drivers/hid/hid-wacom.c

+23 −16
Original line number Diff line number Diff line
@@ -177,26 +177,13 @@ static ssize_t wacom_store_speed(struct device *dev, 
static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP,

		wacom_show_speed, wacom_store_speed);



static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,

		u8 *raw_data, int size)

static int wacom_gr_parse_report(struct hid_device *hdev,

			struct wacom_data *wdata,

			struct input_dev *input, unsigned char *data)

{

	struct wacom_data *wdata = hid_get_drvdata(hdev);

	struct hid_input *hidinput;

	struct input_dev *input;

	unsigned char *data = (unsigned char *) raw_data;

	int tool, x, y, rw;



	if (!(hdev->claimed & HID_CLAIMED_INPUT))

		return 0;



	tool = 0;

	hidinput = list_entry(hdev->inputs.next, struct hid_input, list);

	input = hidinput->input;



	/* Check if this is a tablet report */

	if (data[0] != 0x03)

		return 0;



	/* Get X & Y positions */

	x = le16_to_cpu(*(__le16 *) &data[2]);

	y = le16_to_cpu(*(__le16 *) &data[4]);
@@ -303,6 +290,26 @@ static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, 
#endif

	return 1;

}

static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,

		u8 *raw_data, int size)

{

	struct wacom_data *wdata = hid_get_drvdata(hdev);

	struct hid_input *hidinput;

	struct input_dev *input;

	unsigned char *data = (unsigned char *) raw_data;



	if (!(hdev->claimed & HID_CLAIMED_INPUT))

		return 0;



	hidinput = list_entry(hdev->inputs.next, struct hid_input, list);

	input = hidinput->input;



	/* Check if this is a tablet report */

	if (data[0] != 0x03)

		return 0;



	return wacom_gr_parse_report(hdev, wdata, input, data);

}



static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,

	struct hid_field *field, struct hid_usage *usage, unsigned long **bit,

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