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    SubjectRe: [PATCH 6/8] HID-multitouch: Add egalax ID for Acer Iconia W500
    Date
    > From: Marek Vasut <marek.vasut@gmail.com>
    >
    > This patch adds USB ID for the touchpanel in Acer Iconia W500. The panel
    > supports up to five fingers, therefore the need for a new addition of panel
    > types.
    >
    > originally Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
    > CC: Marek Vasut <marek.vasut@gmail.com>
    > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
    > ---
    > drivers/hid/hid-core.c | 1 +
    > drivers/hid/hid-ids.h | 1 +
    > drivers/hid/hid-multitouch.c | 3 +++
    > 3 files changed, 5 insertions(+), 0 deletions(-)
    >
    > diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
    > index b776bfb..e3c9e61 100644
    > --- a/drivers/hid/hid-core.c
    > +++ b/drivers/hid/hid-core.c
    > @@ -1409,6 +1409,7 @@ static const struct hid_device_id
    > hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
    > USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, {
    > HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
    > USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, {
    > HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
    > USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, + {
    > HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
    > USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, {
    > HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
    > USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, {
    > HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
    > { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) }, diff
    > --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
    > index a9526fd..fc49ab3 100644
    > --- a/drivers/hid/hid-ids.h
    > +++ b/drivers/hid/hid-ids.h
    > @@ -235,6 +235,7 @@
    > #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C 0x720c
    > #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B 0x726b
    > #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1 0x72a1
    > +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302 0x7302
    > #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001
    >
    > #define USB_VENDOR_ID_ELECOM 0x056e
    > diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
    > index db39228..8e920cd 100644
    > --- a/drivers/hid/hid-multitouch.c
    > +++ b/drivers/hid/hid-multitouch.c
    > @@ -701,6 +701,9 @@ static const struct hid_device_id mt_devices[] = {
    > USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
    > { .driver_data = MT_CLS_EGALAX,
    > HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
    > + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
    > + { .driver_data = MT_CLS_EGALAX,
    > + HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
    > USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
    >
    > /* Elo TouchSystems IntelliTouch Plus panel */

    It seems good, but how do you detect the number of fingers the panel can handle?
    That's autodetected now?

    M


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