diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-10 15:02:37 +0000 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-10 15:02:37 +0000 |
commit | fad837c16cdd856c68ce2e1335ad0fe836ed8ecd (patch) | |
tree | 1a6babdc2ac7e5388c482e93505fdfaf5ff97f61 /drivers/hid/hid-wacom.c | |
parent | 51c6ab130642ed975681df843c772dda48a1d2ed (diff) | |
parent | 57d54889cd00db2752994b389ba714138652e60c (diff) |
Merge commit 'v2.6.34-rc1' into for-2.6.35
Diffstat (limited to 'drivers/hid/hid-wacom.c')
-rw-r--r-- | drivers/hid/hid-wacom.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index 12dcda52920..8d3b46f5d14 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 +181,31 @@ static int wacom_probe(struct hid_device *hdev, goto err_free; } + /* + * Note that if the raw queries fail, it's not a hard failure and it + * is safe to continue + */ + + /* 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_warn(&hdev->dev, "failed to poke device #1, %d\n", ret); + + /* 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_warn(&hdev->dev, "failed to poke device #2, %d\n", ret); + hidinput = list_entry(hdev->inputs.next, struct hid_input, list); input = hidinput->input; |