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| author | Przemo Firszt <przemo@firszt.eu> | 2011-11-05 11:28:21 +0000 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-11-13 21:32:46 +0100 |
| commit | f6b7efc162caed555264cd73cd00103701fddbc0 (patch) | |
| tree | 1431b1c1db84f1c1f3c485626f09100d3c612f0e /drivers/hid/hid-wacom.c | |
| parent | 30307c69d59b14723fbf8a524847b302388c702d (diff) | |
| download | linux-f6b7efc162caed555264cd73cd00103701fddbc0.tar.gz linux-f6b7efc162caed555264cd73cd00103701fddbc0.tar.bz2 linux-f6b7efc162caed555264cd73cd00103701fddbc0.zip | |
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: 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>
Diffstat (limited to 'drivers/hid/hid-wacom.c')
| -rw-r--r-- | 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 17bb88f782b6..db2322310486 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, |