Document the five opt-in capture module parameters introduced by this series. All default to false. Describe the startup-empty, short-payload, packed-status and pause-restart compatibility behavior alongside staging, and require validation with the target device.
Assisted-by: LLM Signed-off-by: Joonho Lee <[email protected]> --- diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -8328,6 +8328,36 @@ brightness level. default: 1 + virtio_snd.capture_allow_empty= [HW,SOUND] + Retry a bounded number of empty startup capture replies. + Format: <bool> + Default: false. Compatibility option for devices that + require staged capture; validate with the target device. + + virtio_snd.capture_allow_short= [HW,SOUND] + Accept non-empty, frame-aligned short capture replies. + Format: <bool> + Default: false. Compatibility option for devices that + require staged capture; validate with the target device. + + virtio_snd.capture_packed_status= [HW,SOUND] + Read status immediately after the returned capture data. + Format: <bool> + Default: false. Compatibility option for devices that + require staged capture; validate with the target device. + + virtio_snd.capture_pause_restart= [HW,SOUND] + Release and reprepare capture streams across pause. + Format: <bool> + Default: false. Compatibility option for devices that + require staged capture; validate with the target device. + + virtio_snd.capture_staging= [HW,SOUND] + Use request-owned buffers for capture data. + Format: <bool> + Default: false. Compatibility option for devices that + require staged capture; validate with the target device. + virtio_mmio.device= [VMMIO] Memory mapped virtio (platform) device.
