How to print logs on Single Line using PrintK in Kernel ?
In Linux kernel or device drivers if you are using printk, by default every message we pass … Read more
Linux Kernel
Linux Kernel
Passing command line Arguments / Parameters to Linux kernel module
In Our previous post, “Writing first Linux kernel Module” We learned how to write a simple Linux … Read more
Writing First Linux kernel Module
We will try to understand the simple kernel driver, its compilation and ways to load the kernel … Read more
Understanding Linux LED Sysfs Class architecture
The LED class just allows control of LEDs from userspace. LEDs appear in /sys/class/leds/. In this post … Read more
How to assign IDC File for Input Device in Android ?
As we have seen in “How to identify which IDC file used by Input Device in Android … Read more
How to identify which IDC file used by Input Device in Android ?
Input device configuration files (.idc files) contain device-specific configuration properties that affect the behavior of input devices. … Read more
Identify and Set Maximum values for ABS_X/ABS_Y OR ABS_MT_POSITION_X / ABS_MT_POSITION_Y
When we are writing input driver (touchpad / touchscreen) in Linux, we need to first initialize and … Read more
Understanding use of ABS_MT_TRACKING_ID in Multi-touch Driver
Multitouch tracking ID defines the touch starting and touch end ( one touch session from start to … Read more
Understanding Android Touch Event , onTouchEvent ( Motion Event )
When we just touched the touchscreen and printed the logs in application using “onTouchEvent” it printed following … Read more
How to get Android Display Resolution using adb shell command ?
Display resolution indicates the height and width of the physical display which the android device is using. … Read more