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Since jack detection requires the input subsystem which may not be
desired on small systems it is not built unless required by a driver
that is being built. Drivers using jack detection should use a pattern
like this:
config SND_FOO
tristate "..."
...
select SND_JACK if INPUT=y || INPUT=SND
to ensure that the jack detection API is enabled if the input subsystem
is. If the input subsystem is not enabled then a stub version of the
API is provided.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
32 lines
927 B
Makefile
32 lines
927 B
Makefile
#
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# Makefile for ALSA
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# Copyright (c) 1999,2001 by Jaroslav Kysela <perex@perex.cz>
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#
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snd-y := sound.o init.o memory.o info.o control.o misc.o device.o
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snd-$(CONFIG_ISA_DMA_API) += isadma.o
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snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o info_oss.o
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snd-$(CONFIG_SND_VMASTER) += vmaster.o
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snd-$(CONFIG_SND_JACK) += jack.o
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snd-pcm-objs := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \
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pcm_memory.o
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snd-page-alloc-y := memalloc.o
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snd-page-alloc-$(CONFIG_HAS_DMA) += sgbuf.o
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snd-rawmidi-objs := rawmidi.o
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snd-timer-objs := timer.o
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snd-rtctimer-objs := rtctimer.o
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snd-hwdep-objs := hwdep.o
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obj-$(CONFIG_SND) += snd.o
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obj-$(CONFIG_SND_HWDEP) += snd-hwdep.o
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obj-$(CONFIG_SND_TIMER) += snd-timer.o
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obj-$(CONFIG_SND_RTCTIMER) += snd-rtctimer.o
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obj-$(CONFIG_SND_PCM) += snd-pcm.o snd-page-alloc.o
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obj-$(CONFIG_SND_RAWMIDI) += snd-rawmidi.o
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obj-$(CONFIG_SND_OSSEMUL) += oss/
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obj-$(CONFIG_SND_SEQUENCER) += seq/
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