alsaloop: Support "Capture Pitch 1000000" rate shift

[GitHub pull_request - opened]

alsa-project/alsa-utils pull request #105 was opened from t123yh:

In Linux 5.14, a new feedback mechanism for USB Audio Gadget is introduced (commit e89bb428), along with a new control element "Capture Pitch 1000000". This patch adds support for this feature.

Request URL   : https://github.com/alsa-project/alsa-utils/pull/105
Patch URL     : https://github.com/alsa-project/alsa-utils/pull/105.patch
Repository URL: https://github.com/alsa-project/alsa-utils