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pcm_mixer: introduce mixer_play_cbs

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the added sampr_changed callback can be used to notify the mixer user of
frequency changes

Change-Id: I309db76576090fd5c019a1ba082af446129dd4a3
This commit is contained in:
mojyack 2026-03-31 10:42:54 +09:00 • committed by Solomon Peachy
parent 86639acc5e
commit cb04b8167c
20 changed files with 128 additions and 47 deletions
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5
firmware/usbstack/usb_audio.c
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@ -1337,7 +1337,10 @@ bool usb_audio_fast_transfer_complete(int ep, int dir, int status, int length)
logf("usbaudio: prebuffering done");
playback_audio_underflow = false;
usb_rx_overflow = false;
mixer_channel_play_data(PCM_MIXER_CHAN_USBAUDIO, playback_audio_get_more, NULL, 0);
static const struct mixer_play_cbs cbs = {
.get_more = playback_audio_get_more,
};
mixer_channel_play_data(PCM_MIXER_CHAN_USBAUDIO, &cbs, NULL, 0);
}
restore_irq(oldlevel);
retval = true;