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[ALSA] pcm core: add prealloc_max file to substream directory to show maximum DMA size

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Users ask us many times about the maximum DMA size for PCM devices. This
file gives them a hint in KB.

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Jaroslav Kysela
2006-10-06 15:12:29 +02:00
parent b66b3cfe6c
commit c7132aeb72
2 changed files with 24 additions and 0 deletions
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include/sound/pcm.h
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@ -384,6 +384,7 @@ struct snd_pcm_substream {
struct snd_info_entry *proc_sw_params_entry;
struct snd_info_entry *proc_status_entry;
struct snd_info_entry *proc_prealloc_entry;
struct snd_info_entry *proc_prealloc_max_entry;
#endif
/* misc flags */
unsigned int hw_opened: 1;