From: Bastien Nocera <hadess@xxxxxxxxxx> The hid-wacom driver required user-space to poke at the tablet to make it send data about the cursor location. This patch makes it do the same thing but in the kernel. Signed-off-by: Bastien Nocera <hadess@xxxxxxxxxx> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> --- drivers/hid/hid-wacom.c | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-) diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index 12dcda5..d7897b5 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -156,7 +156,9 @@ static int wacom_probe(struct hid_device *hdev, struct hid_input *hidinput; struct input_dev *input; struct wacom_data *wdata; + char rep_data[2]; int ret; + int limit; wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); if (wdata == NULL) { @@ -166,6 +168,7 @@ static int wacom_probe(struct hid_device *hdev, hid_set_drvdata(hdev, wdata); + /* Parse the HID report now */ ret = hid_parse(hdev); if (ret) { dev_err(&hdev->dev, "parse failed\n"); @@ -178,6 +181,30 @@ static int wacom_probe(struct hid_device *hdev, goto err_free; } + /* Set Wacom mode2 */ + rep_data[0] = 0x03; rep_data[1] = 0x00; + limit =3; + do { + ret = hdev->hid_output_raw_report(hdev, rep_data, 2, + HID_FEATURE_REPORT); + } while (ret < 0 && limit-- > 0); + if (ret < 0) { + dev_err(&hdev->dev, "failed to poke device #1, %d\n", ret); + goto err_free; + } + + /* 0x06 - high reporting speed, 0x05 - low speed */ + rep_data[0] = 0x06; rep_data[1] = 0x00; + limit = 3; + do { + ret = hdev->hid_output_raw_report(hdev, rep_data, 2, + HID_FEATURE_REPORT); + } while (ret < 0 && limit-- > 0); + if (ret < 0) { + dev_err(&hdev->dev, "failed to poke device #2, %d\n", ret); + goto err_free; + } + hidinput = list_entry(hdev->inputs.next, struct hid_input, list); input = hidinput->input; -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html