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author | Oswald Buddenhagen <oswald.buddenhagen@gmx.de> | 2023-04-06 16:25:21 +0300 |
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committer | Takashi Iwai <tiwai@suse.de> | 2023-04-06 17:41:52 +0300 |
commit | 102882b5c62f6bfe403178bb36adef3ba542d148 (patch) | |
tree | 4c21433cb85e95318833a63de48e3606cebb3fce /include/uapi/sound | |
parent | d3330cb8e36a50184a1a7d36019937c1f62f2a04 (diff) | |
download | linux-102882b5c62f6bfe403178bb36adef3ba542d148.tar.xz |
ALSA: document that struct __snd_pcm_mmap_control64 is messed up
I'm not the first one to run into this, see e.g.
https://lore.kernel.org/all/29QBMJU8DE71E.2YZSH8IHT5HMH@mforney.org/
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230406132521.2252019-1-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi/sound')
-rw-r--r-- | include/uapi/sound/asound.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h index de6810e94abe..7eecc99ddef7 100644 --- a/include/uapi/sound/asound.h +++ b/include/uapi/sound/asound.h @@ -570,7 +570,8 @@ struct __snd_pcm_mmap_status64 { struct __snd_pcm_mmap_control64 { __pad_before_uframe __pad1; snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ - __pad_before_uframe __pad2; + __pad_before_uframe __pad2; // This should be __pad_after_uframe, but binary + // backwards compatibility constraints prevent a fix. __pad_before_uframe __pad3; snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ |