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.

Keep the virtio_snd entries after virtio_mmio in alphabetical order.
Include a diffstat in every mail patch.

Assisted-by: LLM
Signed-off-by: Joonho Lee <[email protected]>

---
 Documentation/admin-guide/kernel-parameters.txt |   30 +++++++++++++++++++++++
 1 file changed, 30 insertions(+)

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
@@ -8344,6 +8344,36 @@
 
                        Can be used multiple times for multiple devices.
 
+       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.
+
        vga=            [BOOT,X86-32] Select a particular video mode
                        See Documentation/arch/x86/boot.rst and
                        Documentation/admin-guide/svga.rst.

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