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HID: wacom: generic: support LEDs
Add support for the LEDs around the mode switch to the generic code path in support of the second generation Intuos Pro. Signed-off-by: Aaron Skomra <aaron.skomra@wacom.com> Reviewed-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Aaron Armstrong Skomra
Jiri Kosina
parent
d2ec58aee8
commit
10c55cacb8
@ -168,6 +168,7 @@ struct wacom {
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struct work_struct remote_work;
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struct delayed_work init_work;
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struct wacom_remote *remote;
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bool generic_has_leds;
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struct wacom_leds {
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struct wacom_group_leds *groups;
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unsigned int count;
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@ -220,4 +221,5 @@ struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group,
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unsigned int id);
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struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur);
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int wacom_equivalent_usage(int usage);
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int wacom_initialize_leds(struct wacom *wacom);
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#endif
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@ -771,8 +771,13 @@ static int wacom_led_control(struct wacom *wacom)
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if (!buf)
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return -ENOMEM;
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if (wacom->wacom_wac.features.type >= INTUOS5S &&
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wacom->wacom_wac.features.type <= INTUOSPL) {
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if (wacom->wacom_wac.features.type == HID_GENERIC) {
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buf[0] = WAC_CMD_LED_CONTROL_GENERIC;
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buf[1] = wacom->led.llv;
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buf[2] = wacom->led.groups[0].select & 0x03;
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} else if ((wacom->wacom_wac.features.type >= INTUOS5S &&
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wacom->wacom_wac.features.type <= INTUOSPL)) {
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/*
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* Touch Ring and crop mark LED luminance may take on
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* one of four values:
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@ -1042,6 +1047,17 @@ static struct attribute_group intuos5_led_attr_group = {
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.attrs = intuos5_led_attrs,
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};
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static struct attribute *generic_led_attrs[] = {
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&dev_attr_status0_luminance.attr,
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&dev_attr_status_led0_select.attr,
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NULL
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};
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static struct attribute_group generic_led_attr_group = {
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.name = "wacom_led",
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.attrs = generic_led_attrs,
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};
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struct wacom_sysfs_group_devres {
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struct attribute_group *group;
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struct kobject *root;
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@ -1363,7 +1379,7 @@ static int wacom_leds_alloc_and_register(struct wacom *wacom, int group_count,
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return 0;
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}
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static int wacom_initialize_leds(struct wacom *wacom)
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int wacom_initialize_leds(struct wacom *wacom)
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{
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int error;
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@ -1372,6 +1388,23 @@ static int wacom_initialize_leds(struct wacom *wacom)
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/* Initialize default values */
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switch (wacom->wacom_wac.features.type) {
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case HID_GENERIC:
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if (!wacom->generic_has_leds)
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return 0;
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wacom->led.llv = 100;
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wacom->led.max_llv = 100;
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error = wacom_leds_alloc_and_register(wacom, 1, 4, false);
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if (error) {
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hid_err(wacom->hdev,
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"cannot create leds err: %d\n", error);
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return error;
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}
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error = wacom_devm_sysfs_create_group(wacom,
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&generic_led_attr_group);
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break;
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case INTUOS4S:
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case INTUOS4:
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case INTUOS4WL:
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@ -43,6 +43,8 @@ static void wacom_report_numbered_buttons(struct input_dev *input_dev,
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static int wacom_numbered_button_to_key(int n);
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static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
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int group);
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/*
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* Percent of battery capacity for Graphire.
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* 8th value means AC online and show 100% capacity.
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@ -1715,12 +1717,14 @@ static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
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wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
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features->device_type |= WACOM_DEVICETYPE_PAD;
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break;
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case WACOM_HID_WD_BUTTONCENTER:
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wacom->generic_has_leds = true;
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/* fall through */
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case WACOM_HID_WD_BUTTONHOME:
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case WACOM_HID_WD_BUTTONUP:
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case WACOM_HID_WD_BUTTONDOWN:
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case WACOM_HID_WD_BUTTONLEFT:
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case WACOM_HID_WD_BUTTONRIGHT:
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case WACOM_HID_WD_BUTTONCENTER:
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wacom_map_usage(input, usage, field, EV_KEY,
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wacom_numbered_button_to_key(features->numbered_buttons),
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0);
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@ -1797,7 +1801,9 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field
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struct wacom *wacom = hid_get_drvdata(hdev);
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struct wacom_wac *wacom_wac = &wacom->wacom_wac;
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struct input_dev *input = wacom_wac->pad_input;
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struct wacom_features *features = &wacom_wac->features;
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unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
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int i;
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/*
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* Avoid reporting this event and setting inrange_state if this usage
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@ -1824,6 +1830,12 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field
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input_sync(wacom_wac->shared->touch_input);
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}
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break;
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case WACOM_HID_WD_BUTTONCENTER:
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for (i = 0; i < wacom->led.count; i++)
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wacom_update_led(wacom, features->numbered_buttons,
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value, i);
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/* fall through*/
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default:
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input_event(input, usage->type, usage->code, value);
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break;
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@ -79,6 +79,7 @@
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#define WAC_CMD_ICON_XFER 0x23
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#define WAC_CMD_ICON_BT_XFER 0x26
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#define WAC_CMD_DELETE_PAIRING 0x20
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#define WAC_CMD_LED_CONTROL_GENERIC 0x32
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#define WAC_CMD_UNPAIR_ALL 0xFF
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#define WAC_CMD_WL_INTUOSP2 0x82
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