Commit 10c55cac authored by Aaron Skomra's avatar Aaron Skomra Committed by Jiri Kosina

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: default avatarAaron Skomra <[email protected]>
Reviewed-by: default avatarPing Cheng <[email protected]>
Signed-off-by: default avatarJiri Kosina <[email protected]>
parent d2ec58ae
......@@ -168,6 +168,7 @@ struct wacom {
struct work_struct remote_work;
struct delayed_work init_work;
struct wacom_remote *remote;
bool generic_has_leds;
struct wacom_leds {
struct wacom_group_leds *groups;
unsigned int count;
......@@ -220,4 +221,5 @@ struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group,
unsigned int id);
struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur);
int wacom_equivalent_usage(int usage);
int wacom_initialize_leds(struct wacom *wacom);
#endif
......@@ -771,8 +771,13 @@ static int wacom_led_control(struct wacom *wacom)
if (!buf)
return -ENOMEM;
if (wacom->wacom_wac.features.type >= INTUOS5S &&
wacom->wacom_wac.features.type <= INTUOSPL) {
if (wacom->wacom_wac.features.type == HID_GENERIC) {
buf[0] = WAC_CMD_LED_CONTROL_GENERIC;
buf[1] = wacom->led.llv;
buf[2] = wacom->led.groups[0].select & 0x03;
} else if ((wacom->wacom_wac.features.type >= INTUOS5S &&
wacom->wacom_wac.features.type <= INTUOSPL)) {
/*
* Touch Ring and crop mark LED luminance may take on
* one of four values:
......@@ -1042,6 +1047,17 @@ static struct attribute_group intuos5_led_attr_group = {
.attrs = intuos5_led_attrs,
};
static struct attribute *generic_led_attrs[] = {
&dev_attr_status0_luminance.attr,
&dev_attr_status_led0_select.attr,
NULL
};
static struct attribute_group generic_led_attr_group = {
.name = "wacom_led",
.attrs = generic_led_attrs,
};
struct wacom_sysfs_group_devres {
struct attribute_group *group;
struct kobject *root;
......@@ -1363,7 +1379,7 @@ static int wacom_leds_alloc_and_register(struct wacom *wacom, int group_count,
return 0;
}
static int wacom_initialize_leds(struct wacom *wacom)
int wacom_initialize_leds(struct wacom *wacom)
{
int error;
......@@ -1372,6 +1388,23 @@ static int wacom_initialize_leds(struct wacom *wacom)
/* Initialize default values */
switch (wacom->wacom_wac.features.type) {
case HID_GENERIC:
if (!wacom->generic_has_leds)
return 0;
wacom->led.llv = 100;
wacom->led.max_llv = 100;
error = wacom_leds_alloc_and_register(wacom, 1, 4, false);
if (error) {
hid_err(wacom->hdev,
"cannot create leds err: %d\n", error);
return error;
}
error = wacom_devm_sysfs_create_group(wacom,
&generic_led_attr_group);
break;
case INTUOS4S:
case INTUOS4:
case INTUOS4WL:
......
......@@ -43,6 +43,8 @@ static void wacom_report_numbered_buttons(struct input_dev *input_dev,
static int wacom_numbered_button_to_key(int n);
static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
int group);
/*
* Percent of battery capacity for Graphire.
* 8th value means AC online and show 100% capacity.
......@@ -1715,12 +1717,14 @@ static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_BUTTONCENTER:
wacom->generic_has_leds = true;
/* fall through */
case WACOM_HID_WD_BUTTONHOME:
case WACOM_HID_WD_BUTTONUP:
case WACOM_HID_WD_BUTTONDOWN:
case WACOM_HID_WD_BUTTONLEFT:
case WACOM_HID_WD_BUTTONRIGHT:
case WACOM_HID_WD_BUTTONCENTER:
wacom_map_usage(input, usage, field, EV_KEY,
wacom_numbered_button_to_key(features->numbered_buttons),
0);
......@@ -1797,7 +1801,9 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct input_dev *input = wacom_wac->pad_input;
struct wacom_features *features = &wacom_wac->features;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
int i;
/*
* Avoid reporting this event and setting inrange_state if this usage
......@@ -1824,6 +1830,12 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field
input_sync(wacom_wac->shared->touch_input);
}
break;
case WACOM_HID_WD_BUTTONCENTER:
for (i = 0; i < wacom->led.count; i++)
wacom_update_led(wacom, features->numbered_buttons,
value, i);
/* fall through*/
default:
input_event(input, usage->type, usage->code, value);
break;
......
......@@ -79,6 +79,7 @@
#define WAC_CMD_ICON_XFER 0x23
#define WAC_CMD_ICON_BT_XFER 0x26
#define WAC_CMD_DELETE_PAIRING 0x20
#define WAC_CMD_LED_CONTROL_GENERIC 0x32
#define WAC_CMD_UNPAIR_ALL 0xFF
#define WAC_CMD_WL_INTUOSP2 0x82
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment