Cássio Gabriel c31679fedf ALSA: virtio: Add missing 384 kHz PCM rate mapping
commit 83fbbcb793 upstream.

The VirtIO sound UAPI defines VIRTIO_SND_PCM_RATE_384000, and ALSA
has SNDRV_PCM_RATE_384000. However, virtio-snd's rate conversion
tables stop at 192 kHz.

A device advertising only 384 kHz is rejected as having no supported
PCM frame rates. A device advertising 384 kHz together with lower rates
does not expose 384 kHz through the ALSA hardware constraints. The
selected ALSA rate also needs a reverse mapping for SET_PARAMS.

Add the missing 384 kHz entries to both conversion tables.

Fixes: 29b96bf50b ("ALSA: virtio: build PCM devices and substream hardware descriptors")
Fixes: da76e9f3e4 ("ALSA: virtio: PCM substream operators")
Cc: stable@vger.kernel.org
Signed-off-by: Cássio Gabriel <cassiogabrielcontato@gmail.com>
Link: https://patch.msgid.link/20260515-alsa-virtio-384k-rate-v1-1-35ecb5df835c@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-07-24 16:02:41 +02:00
2026-05-23 13:03:09 +02:00
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2026-05-23 13:03:09 +02:00
2026-07-04 13:42:28 +02:00
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Linux kernel
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