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| author | Masaki Ota <masaki.ota@jp.alps.com> | 2017-10-06 11:53:17 +0900 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-10-17 12:40:15 +0200 |
| commit | 73196ebe134d11a68a2e27814c489d685cfc8b03 (patch) | |
| tree | 12471fdfdc9b6914a9a7832156a1649061b98c06 /drivers/hid/hid-core.c | |
| parent | 5992262d59ccbfaa86ea8b10122653429685b3f9 (diff) | |
| download | linux-73196ebe134d11a68a2e27814c489d685cfc8b03.tar.bz2 | |
HID: alps: add support for Alps T4 Touchpad device
- Define T4 device specification value for support T4 device.
- Creeate "t4_contact_data" and "t4_input_report" structure for decoding and
storing T4-specific data
- Create "t4_calc_check_sum()" function for calculating checksum value to send
to the device. T4 needs to send this value when reading or writing device
address value.
- Create "t4_read_write_register()" function for reading and writing device
address value.
- Create "t4_raw_event()" function for decodin XYZ, palm and button data.
- Replace "MAX_TOUCHES" fixed variable to "max_fingers" variable.
- Add T4 devuce product ID. (0x120C)
T4 device is used on HP EliteBook 1000 series and Zbook Stduio
[jkosina@suse.cz: rewrite changelog]
Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-core.c')
| -rw-r--r-- | drivers/hid/hid-core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 330ca983828b..7410a7bf4461 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1889,6 +1889,8 @@ static const struct hid_device_id hid_have_special_driver[] = { #endif #if IS_ENABLED(CONFIG_HID_ALPS) { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_T4_BTNLESS) }, #endif #if IS_ENABLED(CONFIG_HID_APPLE) { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, |