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@xxxxxxxxx>
---
drivers/hid/wacom.h | 2 ++
drivers/hid/wacom_sys.c | 39 ++++++++++++++++++++++++++++++++++++---
drivers/hid/wacom_wac.c | 14 +++++++++++++-
drivers/hid/wacom_wac.h | 1 +
4 files changed, 52 insertions(+), 4 deletions(-)
diff --git a/drivers/hid/wacom.h b/drivers/hid/wacom.h
index 0e7b840..d0d7dc1 100644
--- a/drivers/hid/wacom.h
+++ b/drivers/hid/wacom.h
@@ -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
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index a8e68dc..3586acb 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -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:
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 06d152a..0dad786 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -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;
diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h
index 4feaf94..857ccee 100644
--- a/drivers/hid/wacom_wac.h
+++ b/drivers/hid/wacom_wac.h
@@ -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
--
2.7.4
--
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