最終更新:2015-09-01 (火) 15:38:48 (3160d)
Nexus 7 (2013)/タッチパネル
Top / Nexus 7 (2013) / タッチパネル
ドライバ
dmesg
- ファームからI2Cで解像度を取得してるっぽい
<4>[ 0.250762] [ELAN] Touch dirver register ... <4>[ 1.339202] [ektf3k]:[elan] elan_ktf3k_ts_init <4>[ 1.339538] [ektf3k]:[ELAN] Start HW reset! <4>[ 1.439697] [usb_otg] switch to peripheral mode by default (boot) <4>[ 1.599365] [ektf3k]:[elan]detect intr=>Old FW <4>[ 1.599731] [ektf3k]:The boot code is old! <4>[ 1.629760] [ektf3k]:[elan] __hello_packet_handler: hello packet 55:55:55:55 <4>[ 1.629852] [ektf3k]:[elan] hello packet's rc = 0 <6>[ 1.839782] notifying plugin <4>[ 1.841735] [ektf3k]:[elan] __fw_packet_handler: firmware version: 0xa044 <4>[ 1.843872] [ektf3k]:[elan] __fw_packet_handler: X resolution: 0x007e <4>[ 1.845916] [ektf3k]:[elan] __fw_packet_handler: Y resolution: 0x00d2 <4>[ 1.848052] [ektf3k]:[elan] __fw_packet_handler: firmware id: 0x3029 <4>[ 1.850128] [ektf3k]:[elan] __fw_packet_handler: boot code id: 0x6047 <4>[ 1.850311] [ektf3k]:[Elan] Max X=2239, Max Y=1343 <6>[ 1.850616] input: elan-touchscreen as /devices/virtual/input/input0 <4>[ 1.851074] [ektf3k]:The firmware was version 0xA044 and id:0x3029 <4>[ 1.851287] [ektf3k]: /proc/ektf_dbg created <4>[ 1.851745] [ektf3k]:[elan] Start touchscreen elan-touchscreen in interrupt mode <4>[ 1.852050] [ektf3k]:[ELAN]misc_register finished!! <6>[ 1.852142] elan-ktf3k 3-0010: Update power source to 0
Linux/proc/interrupts
294: 37 msmgpio elan-ktf3k
getevent
root@flo:/ # getevent add device 1: /dev/input/event5 name: "gpio-keys" add device 2: /dev/input/event3 name: "apq8064-tabla-snd-card Headset Jack" add device 3: /dev/input/event2 name: "apq8064-tabla-snd-card Button Jack" add device 4: /dev/input/event4 name: "h2w button" add device 5: /dev/input/event1 name: "lid_input" add device 6: /dev/input/event0 name: "elan-touchscreen" could not get driver version for /dev/input/mice, Not a typewriter
130|root@flo:/ # getevent -lp /dev/input/event0 add device 1: /dev/input/event0 name: "elan-touchscreen" events: ABS (0003): ABS_MT_SLOT : value 0, min 0, max 9, fuzz 0, flat 0, resolution 0 ABS_MT_TOUCH_MAJOR : value 0, min 0, max 31, fuzz 0, flat 0,resolution 0 ABS_MT_POSITION_X : value 0, min 0, max 1343, fuzz 0, flat 0, resolution 0 ABS_MT_POSITION_Y : value 0, min 0, max 2239, fuzz 0, flat 0, resolution 0 ABS_MT_TRACKING_ID : value 0, min 0, max 65535, fuzz 0, flat0, resolution 0 ABS_MT_PRESSURE : value 0, min 0, max 255, fuzz 0, flat 0, resolution 0 input props: INPUT_PROP_DIRECT
.idc
- AOSP/device/asus/flo/elan-touchscreen.idc
# Copyright (C) 2010 The Android Open Source Project # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # Input Device Configuration File for the ELAN touch panel device. # # These calibration values are derived from empirical measurements # and may not be appropriate for use with other touch screens. # Refer to the input device configuration documentation for more details. # # Basic Parameters touch.deviceType = touchScreen touch.orientationAware = 1 # Size touch.size.calibration = diameter touch.size.scale = 6.3284 touch.size.bias = 39.9752 # Pressure touch.pressure.calibration = amplitude touch.pressure.scale = 0.0048 # Orientation touch.orientation.calibration = none touch.coverage.calibration = box
ファームウェア
- drivers/input/touchscreen/fw_data.b?