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Cleaned the mmap_commit implementations in plugins.

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Added undo callbacks for snd_pcm_plugin based plugins.
  - helpers when mmap_commit proceed only a partial transfer
Fixes to avail_update implementation in pcm_hw.c.
This commit is contained in:
Jaroslav Kysela 2002-02-21 15:01:34 +00:00
parent 9b0eebbcb7
commit e128bf856e
22 changed files with 260 additions and 120 deletions
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3
src/pcm/pcm_linear.c
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@ -328,9 +328,12 @@ int snd_pcm_linear_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sfo
if (!linear) {
return -ENOMEM;
}
snd_pcm_plugin_init(&linear->plug);
linear->sformat = sformat;
linear->plug.read = snd_pcm_linear_read_areas;
linear->plug.write = snd_pcm_linear_write_areas;
linear->plug.undo_read = snd_pcm_plugin_undo_read_generic;
linear->plug.undo_write = snd_pcm_plugin_undo_write_generic;
linear->plug.slave = slave;
linear->plug.close_slave = close_slave;