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ALSA: Remove transfer_ack_{begin,end} callbacks from struct snd_pcm_runtime

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While there is nothing wrong with the transfer_ack_begin and
transfer_ack_end callbacks per-se, the last documented user was part of the
alsa-driver 0.5.12a package, which was released 14 years ago and even
predates the upstream integration of the ALSA core and has subsequently
been superseded by newer alsa-driver releases.

This seems to indicate that there is no need for having these callbacks and
they are just cruft that can be removed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Lars-Peter Clausen
2015-10-22 13:11:56 +02:00
committed by Takashi Iwai
parent f937b43d48
commit 53e597b1d1
3 changed files with 2 additions and 26 deletions
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4
include/sound/pcm.h
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@@ -402,10 +402,6 @@ struct snd_pcm_runtime {
struct snd_pcm_hardware hw;
struct snd_pcm_hw_constraints hw_constraints;
/* -- interrupt callbacks -- */
void (*transfer_ack_begin)(struct snd_pcm_substream *substream);
void (*transfer_ack_end)(struct snd_pcm_substream *substream);
/* -- timer -- */
unsigned int timer_resolution; /* timer resolution */
int tstamp_type; /* timestamp type */