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HID: wacom: Move parsing to a separate function

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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: Przemo Firszt <przemo@firszt.eu>
Acked-by: Ping Cheng <pinglinux@gmail.com>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Przemo Firszt 2011-11-05 11:28:21 +00:00 committed by Jiri Kosina
parent 30307c69d5
commit f6b7efc162
1 changed files with 23 additions and 16 deletions
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39
drivers/hid/hid-wacom.c
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@ -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,