diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 37888c3f39ba..18154a5459b5 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -262,6 +262,12 @@ static int wacom_set_device_mode(struct hid_device *hdev, int report_id, return error < 0 ? error : 0; } +static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed, + struct wacom_features *features) +{ + return 0; +} + /* * Switch the tablet into its most-capable mode. Wacom tablets are * typically configured to power-up in a mode which sends mouse-like @@ -272,6 +278,9 @@ static int wacom_set_device_mode(struct hid_device *hdev, int report_id, static int wacom_query_tablet_data(struct hid_device *hdev, struct wacom_features *features) { + if (hdev->bus == BUS_BLUETOOTH) + return wacom_bt_query_tablet_data(hdev, 1, features); + if (features->device_type == BTN_TOOL_FINGER) { if (features->type > TABLETPC) { /* MT Tablet PC touch */ @@ -890,6 +899,38 @@ static void wacom_destroy_battery(struct wacom *wacom) } } +static ssize_t wacom_show_speed(struct device *dev, + struct device_attribute + *attr, char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct wacom *wacom = hid_get_drvdata(hdev); + + return snprintf(buf, PAGE_SIZE, "%i\n", wacom->wacom_wac.bt_high_speed); +} + +static ssize_t wacom_store_speed(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct wacom *wacom = hid_get_drvdata(hdev); + u8 new_speed; + + if (kstrtou8(buf, 0, &new_speed)) + return -EINVAL; + + if (new_speed != 0 && new_speed != 1) + return -EINVAL; + + wacom_bt_query_tablet_data(hdev, new_speed, &wacom->wacom_wac.features); + + return count; +} + +static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP, + wacom_show_speed, wacom_store_speed); + static struct input_dev *wacom_allocate_input(struct wacom *wacom) { struct input_dev *input_dev; @@ -1210,6 +1251,9 @@ static int wacom_probe(struct hid_device *hdev, features->y_max = 4096; } + if (hdev->bus == BUS_BLUETOOTH) + features->quirks |= WACOM_QUIRK_BATTERY; + wacom_setup_device_quirks(features); /* set unit to "100th of a mm" for devices not reported by HID */ @@ -1241,10 +1285,25 @@ static int wacom_probe(struct hid_device *hdev, if (error) goto fail2; + if (!(features->quirks & WACOM_QUIRK_MONITOR) && + (features->quirks & WACOM_QUIRK_BATTERY)) { + error = wacom_initialize_battery(wacom); + if (error) + goto fail3; + } + if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) { error = wacom_register_inputs(wacom); if (error) - goto fail3; + goto fail4; + } + + if (hdev->bus == BUS_BLUETOOTH) { + error = device_create_file(&hdev->dev, &dev_attr_speed); + if (error) + hid_warn(hdev, + "can't create sysfs speed attribute err: %d\n", + error); } /* Note that if query fails it is not a hard failure */ @@ -1254,7 +1313,7 @@ static int wacom_probe(struct hid_device *hdev, error = hid_hw_start(hdev, HID_CONNECT_HIDRAW); if (error) { hid_err(hdev, "hw start failed\n"); - goto fail4; + goto fail5; } if (features->quirks & WACOM_QUIRK_MONITOR) @@ -1267,7 +1326,10 @@ static int wacom_probe(struct hid_device *hdev, return 0; - fail4: wacom_unregister_inputs(wacom); + fail5: if (hdev->bus == BUS_BLUETOOTH) + device_remove_file(&hdev->dev, &dev_attr_speed); + wacom_unregister_inputs(wacom); + fail4: wacom_destroy_battery(wacom); fail3: wacom_destroy_leds(wacom); fail2: wacom_remove_shared_data(wacom_wac); fail1: kfree(wacom); @@ -1283,6 +1345,8 @@ static void wacom_remove(struct hid_device *hdev) cancel_work_sync(&wacom->work); wacom_unregister_inputs(wacom); + if (hdev->bus == BUS_BLUETOOTH) + device_remove_file(&hdev->dev, &dev_attr_speed); wacom_destroy_battery(wacom); wacom_destroy_leds(wacom); wacom_remove_shared_data(&wacom->wacom_wac); diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index 3433a0e28bb4..6cefa1e8c14b 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -169,6 +169,8 @@ struct wacom_wac { int num_contacts_left; int bat_charging; int ps_connected; + u8 bt_features; + u8 bt_high_speed; }; #endif