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HID: multitouch: export a quirk for the button handling of touchpads 

Instead of using the class name, we better have a specific quirk for it
so other classes can make use of it.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Benjamin Tissoires 2018-03-20 12:04:45 +01:00 committed by Jiri Kosina
parent 183b6366cf
commit d9c57a7090
1 changed files with 10 additions and 12 deletions
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22
drivers/hid/hid-multitouch.c
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@ -74,6 +74,7 @@ MODULE_LICENSE("GPL");
#define MT_QUIRK_TOUCH_SIZE_SCALING BIT(15)
#define MT_QUIRK_STICKY_FINGERS BIT(16)
#define MT_QUIRK_ASUS_CUSTOM_UP BIT(17)
#define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18)
#define MT_INPUTMODE_TOUCHSCREEN 0x02
#define MT_INPUTMODE_TOUCHPAD 0x03
@ -241,7 +242,8 @@ static struct mt_class mt_classes[] = {
MT_QUIRK_IGNORE_DUPLICATES |
MT_QUIRK_HOVERING |
MT_QUIRK_CONTACT_CNT_ACCURATE |
MT_QUIRK_STICKY_FINGERS },
MT_QUIRK_STICKY_FINGERS |
MT_QUIRK_WIN8_PTP_BUTTONS },
{ .name = MT_CLS_EXPORT_ALL_INPUTS,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_CONTACT_CNT_ACCURATE,
@ -250,7 +252,8 @@ static struct mt_class mt_classes[] = {
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_IGNORE_DUPLICATES |
MT_QUIRK_HOVERING |
MT_QUIRK_CONTACT_CNT_ACCURATE,
MT_QUIRK_CONTACT_CNT_ACCURATE |
MT_QUIRK_WIN8_PTP_BUTTONS,
.export_all_inputs = true },
/*
@ -659,8 +662,7 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
* MS PTP spec says that external buttons left and right have
* usages 2 and 3.
*/
if ((cls->name == MT_CLS_WIN_8 ||
cls->name == MT_CLS_WIN_8_DUAL) &&
if ((cls->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) &&
field->application == HID_DG_TOUCHPAD &&
(usage->hid & HID_USAGE) > 1)
code--;
@ -772,9 +774,7 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
*/
static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
{
__s32 cls = td->mtclass.name;
if (cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL)
if (td->mtclass.quirks & MT_QUIRK_WIN8_PTP_BUTTONS)
input_event(input, EV_KEY, BTN_LEFT, td->left_button_state);
input_mt_sync_frame(input);
@ -826,7 +826,6 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
bool first_packet)
{
struct mt_device *td = hid_get_drvdata(hid);
__s32 cls = td->mtclass.name;
__s32 quirks = td->mtclass.quirks;
struct input_dev *input = field->hidinput->input;
@ -904,7 +903,7 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
* non finger/touch events in the first_packet of
* a (possible) multi-packet frame.
*/
if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) &&
if ((quirks & MT_QUIRK_WIN8_PTP_BUTTONS) &&
!first_packet)
return;
@ -915,7 +914,7 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
* BTN_LEFT if either is pressed, so we or all values
* together and report the result in mt_sync_frame().
*/
if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) &&
if ((quirks & MT_QUIRK_WIN8_PTP_BUTTONS) &&
usage->type == EV_KEY && usage->code == BTN_LEFT) {
td->left_button_state |= value;
return;
@ -939,7 +938,6 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
{
struct mt_device *td = hid_get_drvdata(hid);
__s32 cls = td->mtclass.name;
struct hid_field *field;
bool first_packet;
unsigned count;
@ -968,7 +966,7 @@ static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
* of a possible multi-packet frame be checking that the
* timestamp has changed.
*/
if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) &&
if ((td->mtclass.quirks & MT_QUIRK_WIN8_PTP_BUTTONS) &&
td->num_received == 0 && td->prev_scantime != scantime)
td->num_expected = value;
/* A non 0 contact count always indicates a first packet */