Top "Linux-device-driver" questions

Device drivers take on a special role in the Linux kernel.

Configuring volume control for USB-DAC to be used via mpd

I am building a music player system using a Raspberry Pi with Raspbian and a NuForce uDAC-3 USB-DAC. I got …

audio linux-device-driver alsa mpd
copy_to_user vs memcpy

I have always been told(In books and tutorials) that while copying data from kernel space to user space, we …

c linux-kernel linux-device-driver memcpy
How can I find which physical device /dev/console connects to?

There is a device file called /dev/console, whose (major,minor) is (5,1). When I boot with a serial console, it …

linux-kernel linux-device-driver embedded-linux tty
tcpdump error message "That device doesn't support monitor mode"

Running Linux on a Xilinx ZCU102 development board. When using a 1000BASE-X & Tri-Mode Ethernet Mac. I can send pings …

linux arm linux-device-driver tcpdump device-tree
Probe problem when writing a I2C device driver

I am a newbie in writing linux device driver, forgive me if anything stupid a asked and my poor English^^ …

linux-device-driver i2c
Linux: direct access to the hard-disk in C

How can I obtain a raw access to the HD and know if that location is used or is a …

c memory filesystems hard-drive linux-device-driver
What is the difference between tasklet and workqueue

I am a Linux device driver newbie, and want to know the exact differences between tasklet and workqueue. I have …

c linux-kernel linux-device-driver tasklet workqueue
What is the difference between module_init and subsys_initcall while initializing the driver?

What is the difference between module_init and subsys_initcall while initializing the driver?

linux-kernel linux-device-driver
How can I edit a pinmux for BeagleBone Black on linux kernel 3.17?

I can take a peek at /sys/kernel/debug/pinctrl/44e10800.pinmux/pins and see the pin I am interested …

linux-device-driver beagleboneblack gpio device-tree
nvidia-smi process hangs and can't be killed with SIGKILL either

I'm on Ubuntu 14.04, CUDA toolkit 8, driver version 367.48. When I give nvidia-smi command, it just hangs indefinitely. When I login again …

linux linux-device-driver nvidia