linux-stable/sound/core
Takashi Iwai 111b0cdb97 ALSA: seq: Allow the modular sequencer registration
Many drivers bind the sequencer stuff in off-load by another driver
module, so that it's loaded only on demand.  In the current code, this
mechanism doesn't work when the driver is built-in while the sequencer
is module.  We check with IS_REACHABLE() and enable only when the
sequencer is in the same level of build.

However, this is basically a overshoot.  The binder code
(snd-seq-device) is an individual module from the sequencer core
(snd-seq), and we just have to make the former a built-in while
keeping the latter a module for allowing the scenario like the above.

This patch achieves that by rewriting Kconfig slightly.  Now, a driver
that provides the manual sequencer device binding should select
CONFIG_SND_SEQ_DEVICE in a way as
	select SND_SEQ_DEVICE if SND_SEQUENCER != n

Note that the "!=n" is needed here to avoid the influence of the
sequencer core is module while the driver is built-in.

Also, since rawmidi.o may be linked with snd_seq_device.o when
built-in, we have to shuffle the code to make the linker happy.
(the kernel linker isn't smart enough yet to handle such a case.)
That is, snd_seq_device.c is moved to sound/core from sound/core/seq,
as well as Makefile.

Last but not least, the patch replaces the code using IS_REACHABLE()
with IS_ENABLED(), since now the condition meets always when enabled.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-06-12 08:43:33 +02:00
..
oss ALSA: pcm: Build OSS writev/readv helpers conditionally 2017-06-02 19:38:26 +02:00
seq ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
compress_offload.c ALSA: compress: fix some missing and misplaced \n in messages 2016-09-16 19:24:13 +02:00
control.c ALSA: control: remove entry limitation for list operation 2017-05-24 10:18:28 +02:00
control_compat.c ALSA: ctl: change return value in compatibility layer so that it's the same value in core implementation 2016-03-17 14:11:36 +01:00
ctljack.c ALSA: declare snd_kcontrol_new structures as const 2017-05-30 10:29:25 +02:00
device.c Merge branch 'topic/hda-unbind' into for-next 2015-03-16 14:48:20 +01:00
hrtimer.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
hwdep.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
hwdep_compat.c [PATCH] hwdep_compat missed __user annotations 2006-10-10 15:37:21 -07:00
info.c ALSA: info: Use kvzalloc() for a temporary write buffer 2017-05-23 07:04:06 +02:00
info_oss.c ALSA: core: Clean up OSS proc file management 2015-04-24 17:31:08 +02:00
init.c ALSA: hda_intel: add card number to irq description 2016-01-12 21:05:16 +01:00
isadma.c ALSA: core: Use standard printk helpers 2014-02-14 08:14:15 +01:00
jack.c ALSA: jack: Allow building the jack layer without input device 2016-02-23 09:03:07 +01:00
Kconfig ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
Makefile ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
memalloc.c genalloc: rename of_get_named_gen_pool() to of_gen_pool_get() 2015-06-30 19:45:01 -07:00
memory.c ALSA: Include linux/uaccess.h and linux/bitopts.h instead of asm/* 2015-01-28 17:25:07 +01:00
misc.c printk/sound: handle more message headers 2016-12-12 18:55:09 -08:00
pcm.c ALSA: pcm: add local header file for snd-pcm module 2017-05-26 08:38:14 +02:00
pcm_compat.c ALSA: pcm: Remove set_fs() in PCM core code 2017-05-23 07:04:05 +02:00
pcm_dmaengine.c ASoC: dmaengine_pcm: Add support for packed transfers 2016-04-27 17:34:11 +01:00
pcm_drm_eld.c ALSA: pcm: use helper function to refer parameter as read-only 2017-05-17 07:24:39 +02:00
pcm_iec958.c ALSA: pcm: Allow 32 bit sample format in IEC958 channel status helper 2016-04-06 14:33:38 -07:00
pcm_lib.c ALSA: pcm: localize snd_pcm_hw_params_choose() 2017-06-09 16:27:21 +02:00
pcm_local.h ALSA: pcm: localize snd_pcm_hw_params_choose() 2017-06-09 16:27:21 +02:00
pcm_memory.c ALSA: Include linux/io.h instead of asm/io.h 2015-01-28 16:49:33 +01:00
pcm_misc.c ALSA: pcm: add local header file for snd-pcm module 2017-05-26 08:38:14 +02:00
pcm_native.c ALSA: pcm: add tracepoints for final selection process of hardware parameters 2017-06-09 16:27:22 +02:00
pcm_param_trace.h ALSA: pcm: use friendly name for id of PCM substream in trace print 2017-06-09 16:27:23 +02:00
pcm_timer.c ALSA: pcm: include pcm_local.h and remove some extraneous tabs 2017-05-30 18:04:47 +02:00
pcm_trace.h ALSA: pcm: Replace PCM hwptr tracking with tracepoints 2014-11-04 14:09:14 +01:00
rawmidi.c ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
rawmidi_compat.c ALSA: rawmidi: Fix ioctls X32 ABI 2016-02-28 17:44:51 +01:00
seq_device.c ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
sgbuf.c ALSA: core: Deletion of unnecessary checks before two function calls 2014-11-21 20:06:57 +01:00
sound.c ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS 2015-05-27 21:25:19 +02:00
sound_oss.c ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS 2015-05-27 21:25:19 +02:00
timer.c ALSA: timer: Wrap with spinlock for queue access 2017-06-07 10:25:53 +02:00
timer_compat.c ALSA: timer: fix gparams ioctl compatibility for different architectures 2016-03-23 08:06:16 +01:00
vmaster.c ALSA: core: Use standard printk helpers 2014-02-14 08:14:15 +01:00