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2-post thread, 1 PNG, 7 likes, 1015 views. Got ALSA functioning without
SNDRV_PCM_IOCTL_HW_REFINE, only with SNDRV_PCM_IOHW_PARAMS. Custom
struct layouts aliased to ALSA's (snd_interval.interger -> .flag=4);
setting the core values is enough for the driver. Doesn't need to
set {.flags, .rmask, .info} but must set '.max=~0' for intervals not
hardcoded. Only double-buffered 48000Hz stereo, varies frames/period
sizing. Same pattern as the bind-everything-once aliasing: write
custom struct, alias to what the API expects, set only the core
fields you control. 'Minimal ABI surface' approach.
40 lines
1.5 KiB
JSON
40 lines
1.5 KiB
JSON
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"post_id": "2072194202851549432",
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"author": "NOTimothyLottes",
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"handle": "NOTimothyLottes",
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"text": "Did manage to get ALSA to function without SNDRV_PCM_IOCTL_HW_REFINE and only with SNDRV_PCM_IOCTL_HW_PARAMS. My structures are different but aliased (snd_interval.interger -> .flag=4). Apparently setting the core values is enough for the driver.",
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"timestamp": "2026-07-01 05:42:52",
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"https://pbs.twimg.com/media/HMHoiZAWcAAjn6j?format=png&name=orig"
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"post_id": "2072195623265178013",
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"author": "NOTimothyLottes",
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"handle": "NOTimothyLottes",
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"text": "Don't actually have to set {.flags,.rmask,.info} on my machine. Absolutely do have to set \".max=~0\" for the intervals not being hardcoded. I only do double buffered, 48000Hz stereo, and just vary the frames/period sizing.",
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"timestamp": "2026-07-01 05:48:30",
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