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[0/2] ALSA: line6: hwdep: add support for poll and non-blocking read

Message ID 20200502193120.79115-1-anarsoul@gmail.com
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Series ALSA: line6: hwdep: add support for poll and non-blocking read | expand

Message

Vasily Khoruzhick May 2, 2020, 7:31 p.m. UTC 
This series adds support for polling and non-blocking read for hwdep
interface. This allows apps to listen to HW events without using busy
loop.

Example of app that uses hwdep interface for POD HD500 can be found
here: https://github.com/anarsoul/line6_hwdep_test

Vasily Khoruzhick (2):
  ALSA: line6: hwdep: add support for O_NONBLOCK opening mode
  ALSA: line6: Add poll callback for hwdep

 sound/usb/line6/driver.c | 20 ++++++++++++++++++++
 sound/usb/line6/driver.h |  1 +
 2 files changed, 21 insertions(+)