From 6f83c0d084631033db9cb9b9452f5cf2e2bf67c2 Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Mon, 18 Jan 2010 16:13:41 +0000
Subject: [PATCH 2/2] [hid] Implement Wacom quirk in the kernel
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@hadess.net>
---
drivers/hid/hid-wacom.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
@@ -155,6 +155,7 @@ static int wacom_probe(struct hid_device *hdev,
struct hid_input *hidinput;
struct input_dev *input;
struct wacom_data *wdata;
+ char rep_data[3];
int ret;
wdata = kzalloc(sizeof(*wdata), GFP_KERNEL);
@@ -177,6 +178,18 @@ static int wacom_probe(struct hid_device *hdev,
goto err_free;
}
+ rep_data[0] = 0x53; /* HIDP_TRANS_SET_REPORT | HIDP_DATA_RTYPE_FEATURE */
+ rep_data[1] = 0x03; rep_data[2] = 0x00;
+ ret = hdev->hid_output_raw_report (hdev, rep_data, 3);
+ if (ret < 0)
+ dev_err(&hdev->dev, "failed to poke device #1, %d\n", ret);
+
+ rep_data[0] = 0x71; /* HIDP_TRANS_SET_REPORT | HIDP_DATA_RTYPE_FEATURE */
+ /* 0x06 - high reporting speed, 0x05 - low speed */
+ rep_data[1] = 0x06; rep_data[2] = 0x00;
+ ret = hdev->hid_output_raw_report (hdev, rep_data, 3);
+ dev_err(&hdev->dev, "failed to poke device #2, %d\n", ret);
+
hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
input = hidinput->input;
--
1.6.5.2