OpenCloudOS-Kernel/sound/core/oss
Takashi Iwai fed5794fcc ALSA: pcm: Build OSS writev/readv helpers conditionally
The snd_pcm_oss_writev3() and snd_pcm_oss_readv3() are used only in
io.c with CONFIG_SND_PCM_OSS_PLUGINS=y.  Add an ifdef to reduce the
build of these functions.

Along with it, since they are called always for in-kernel copy, reduce
the argument and call snd_pcm_kernel_writev() and *_readv() directly
instead.

Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-06-02 19:38:26 +02:00
..
Makefile [ALSA] Changed Jaroslav Kysela's e-mail from perex@suse.cz to perex@perex.cz 2007-10-16 16:51:18 +02:00
copy.c ALSA: Kill snd_assert() in sound/core/* 2008-08-13 11:46:35 +02:00
io.c ALSA: pcm: Build OSS writev/readv helpers conditionally 2017-06-02 19:38:26 +02:00
linear.c ALSA: core: remove unused variables. 2011-05-26 08:19:04 +02:00
mixer_oss.c ALSA: Fix compat_ioctl handling for OSS emulations 2015-12-03 17:40:21 +01:00
mulaw.c ALSA: core: sparse cleanups 2011-02-14 17:10:11 +01:00
pcm_oss.c ALSA: pcm: Build OSS writev/readv helpers conditionally 2017-06-02 19:38:26 +02:00
pcm_plugin.c ALSA: pcm/oss: refer to parameters instead of copying to reduce usage of kernel stack 2017-05-17 07:25:01 +02:00
pcm_plugin.h ALSA: pcm: Build OSS writev/readv helpers conditionally 2017-06-02 19:38:26 +02:00
rate.c ALSA: fix excessive background noise introduced by OSS emulation rate shrink 2009-02-23 07:49:04 +01:00
route.c ALSA: core: sparse cleanups 2011-02-14 17:10:11 +01:00