diff options
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/wacom_sys.c | 58 |
1 files changed, 47 insertions, 11 deletions
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index b3c6f111093b..9c57ac092f77 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1402,6 +1402,52 @@ static size_t wacom_compute_pktlen(struct hid_device *hdev) return size; } +static void wacom_update_name(struct wacom *wacom) +{ + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + struct wacom_features *features = &wacom_wac->features; + + /* Generic devices name unspecified */ + if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) { + if (strstr(wacom->hdev->name, "Wacom") || + strstr(wacom->hdev->name, "wacom") || + strstr(wacom->hdev->name, "WACOM")) { + /* name is in HID descriptor, use it */ + strlcpy(wacom_wac->name, wacom->hdev->name, + sizeof(wacom_wac->name)); + + /* strip out excess whitespaces */ + while (1) { + char *gap = strstr(wacom_wac->name, " "); + if (gap == NULL) + break; + /* shift everything including the terminator */ + memmove(gap, gap+1, strlen(gap)); + } + /* get rid of trailing whitespace */ + if (wacom_wac->name[strlen(wacom_wac->name)-1] == ' ') + wacom_wac->name[strlen(wacom_wac->name)-1] = '\0'; + } else { + /* no meaningful name retrieved. use product ID */ + snprintf(wacom_wac->name, sizeof(wacom_wac->name), + "%s %X", features->name, wacom->hdev->product); + } + } else { + strlcpy(wacom_wac->name, features->name, sizeof(wacom_wac->name)); + } + + /* Append the device type to the name */ + snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name), + "%s Pad", wacom_wac->name); + + if (features->device_type != BTN_TOOL_FINGER) + strlcat(wacom_wac->name, " Pen", WACOM_NAME_MAX); + else if (features->touch_max) + strlcat(wacom_wac->name, " Finger", WACOM_NAME_MAX); + else + strlcat(wacom_wac->name, " Pad", WACOM_NAME_MAX); +} + static int wacom_probe(struct hid_device *hdev, const struct hid_device_id *id) { @@ -1484,17 +1530,7 @@ static int wacom_probe(struct hid_device *hdev, wacom_setup_device_quirks(wacom); wacom_calculate_res(features); - strlcpy(wacom_wac->name, features->name, sizeof(wacom_wac->name)); - snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name), - "%s Pad", features->name); - - /* Append the device type to the name */ - if (features->device_type != BTN_TOOL_FINGER) - strlcat(wacom_wac->name, " Pen", WACOM_NAME_MAX); - else if (features->touch_max) - strlcat(wacom_wac->name, " Finger", WACOM_NAME_MAX); - else - strlcat(wacom_wac->name, " Pad", WACOM_NAME_MAX); + wacom_update_name(wacom); error = wacom_add_shared_data(hdev); if (error) |