[PATCH 25/25] HID: multitouch: make MT_CLS_ALWAYS_TRUE the new default class

From: Benjamin Tissoires
Date: Fri Jan 25 2013 - 08:24:15 EST


By running a test on all the traces of the devices I have,
I noticed that the class MT_CLS_ALWAYS_TRUE could handle all
the devices I've seen so far without any other quirks.
I guess this is the behavior Win 7 requires in its driver.

We can change the default class then and keep the existing classes
for backward compatibility and performances for some of them.

Two operations have been done:
- replaced MT_CLS_DEFAULT by MT_CLS_NSMU
- then replaced MT_CLS_ALWAYS_TRUE by MT_CLS_DEFAULT

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx>
---
drivers/hid/hid-multitouch.c | 53 ++++++++++++++++++++++----------------------
1 file changed, 27 insertions(+), 26 deletions(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index e3f0bf7..25b1d2c 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -117,7 +117,7 @@ struct mt_device {
#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
-#define MT_CLS_ALWAYS_TRUE 0x000a
+#define MT_CLS_NSMU 0x000a
#define MT_CLS_CONTACT_ID 0x0011
#define MT_CLS_MINUS_ONE 0x0012
#define MT_CLS_DUAL_CONTACT_ID 0x0013
@@ -155,6 +155,9 @@ static int cypress_compute_slot(struct mt_device *td)

static struct mt_class mt_classes[] = {
{ .name = MT_CLS_DEFAULT,
+ .quirks = MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_CONTACT_CNT_ACCURATE },
+ { .name = MT_CLS_NSMU,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
{ .name = MT_CLS_SERIAL,
.quirks = MT_QUIRK_ALWAYS_VALID},
@@ -177,9 +180,7 @@ static struct mt_class mt_classes[] = {
{ .name = MT_CLS_INRANGE_CONTACTNUMBER,
.quirks = MT_QUIRK_VALID_IS_INRANGE |
MT_QUIRK_SLOT_IS_CONTACTNUMBER },
- { .name = MT_CLS_ALWAYS_TRUE,
- .quirks = MT_QUIRK_ALWAYS_VALID |
- MT_QUIRK_CONTACT_CNT_ACCURATE },
+
{ .name = MT_CLS_CONTACT_ID,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_CONTACT_CNT_ACCURATE |
@@ -963,7 +964,7 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },

/* Baanto multitouch devices */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
USB_DEVICE_ID_BAANTO_MT_190W2) },
/* Cando panels */
@@ -981,12 +982,12 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },

/* Chunghwa Telecom touch panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },

/* CVTouch panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
USB_DEVICE_ID_CVTOUCH_SCREEN) },

@@ -1075,12 +1076,12 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },

/* Gametel game controller */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
USB_DEVICE_ID_GAMETEL_MT_MODE) },

/* GoodTouch panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
USB_DEVICE_ID_GOODTOUCH_000f) },

@@ -1098,7 +1099,7 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_IDEACOM_IDC6651) },

/* Ilitek dual touch panel */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
USB_DEVICE_ID_ILITEK_MULTITOUCH) },

@@ -1145,7 +1146,7 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_PANABOARD_UBT880) },

/* Novatek Panel */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
USB_DEVICE_ID_NOVATEK_PCT) },

@@ -1185,13 +1186,13 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },

/* Stantum panels */
- { .driver_data = MT_CLS_ALWAYS_TRUE,
+ { .driver_data = MT_CLS_DEFAULT,
MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
USB_DEVICE_ID_MTP)},
{ .driver_data = MT_CLS_CONFIDENCE,
MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
USB_DEVICE_ID_MTP_STM)},
- { .driver_data = MT_CLS_ALWAYS_TRUE,
+ { .driver_data = MT_CLS_DEFAULT,
MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
USB_DEVICE_ID_MTP_SITRONIX)},

@@ -1201,48 +1202,48 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },

/* Touch International panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },

/* Unitec panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
/* XAT */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XAT,
USB_DEVICE_ID_XAT_CSR) },

/* Xiroku */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_SPX) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_MPX) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_CSR) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_SPX1) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_MPX1) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_CSR1) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_SPX2) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_MPX2) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_CSR2) },

--
1.8.1

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