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Diffstat (limited to 'Documentation/hid/hid-alps.rst')
| -rw-r--r-- | Documentation/hid/hid-alps.rst | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Documentation/hid/hid-alps.rst b/Documentation/hid/hid-alps.rst index 767c96bcbb7c..4a22a357f00c 100644 --- a/Documentation/hid/hid-alps.rst +++ b/Documentation/hid/hid-alps.rst @@ -9,7 +9,7 @@ Currently ALPS HID driver supports U1 Touchpad device. U1 device basic information. ========== ====== -Vender ID 0x044E +Vendor ID 0x044E Product ID 0x120B Version ID 0x0121 ========== ====== @@ -69,6 +69,7 @@ To read/write to RAM, need to send a command to the device. The command format is as below. DataByte(SET_REPORT) +~~~~~~~~~~~~~~~~~~~~ ===== ====================== Byte1 Command Byte @@ -89,6 +90,7 @@ Value Byte is writing data when you send the write commands. When you read RAM, there is no meaning. DataByte(GET_REPORT) +~~~~~~~~~~~~~~~~~~~~ ===== ====================== Byte1 Response Byte @@ -104,8 +106,10 @@ Read value is stored in Value Byte. Packet Format +------------- + Touchpad data byte ------------------- +~~~~~~~~~~~~~~~~~~ ======= ======= ======= ======= ======= ======= ======= ======= ===== @@ -156,7 +160,7 @@ Zsn_6-0(7bit): StickPointer data byte ----------------------- +~~~~~~~~~~~~~~~~~~~~~~ ======= ======= ======= ======= ======= ======= ======= ======= ===== - b7 b6 b5 b4 b3 b2 b1 b0 |