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 <prz...@firszt.eu>
Acked-by: Ping Cheng <pingli...@gmail.com>
---
drivers/hid/hid-wacom.c | 39 +++++++++++++++++++++++----------------
1 files changed, 23 insertions(+), 16 deletions(-)
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 17bb88f..db23223 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -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,
--
1.7.6.4
------------------------------------------------------------------------------
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