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ASoC: Disable topology support for v4.2 

The topology code merged in the v4.2 merge window introduced a new ABI
 which was believed to be suitable for use but subsequently additional
 work by the developers of this feature have revealed some problems that
 need to be addressed.  In order to allow this to be done without having
 to support the initial ABI add Kconfig to disable the build and also add
 some #error statements to the UAPI header so users can't use them.
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Merge tag 'asoc-v4.2-disable-topology' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Disable topology support for v4.2

The topology code merged in the v4.2 merge window introduced a new ABI
which was believed to be suitable for use but subsequently additional
work by the developers of this feature have revealed some problems that
need to be addressed.  In order to allow this to be done without having
to support the initial ABI add Kconfig to disable the build and also add
some #error statements to the UAPI header so users can't use them.
This commit is contained in:
Takashi Iwai 2015-08-19 18:31:54 +02:00
parent 59a51a6b4b 8c90503bf2
commit e24b6c03a1
4 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
include/sound/soc-topology.h
View File

@ -141,6 +141,8 @@ struct snd_soc_tplg_ops {
int io_ops_count;
};
#ifdef CONFIG_SND_SOC_TOPOLOGY
/* gets a pointer to data from the firmware block header */
static inline const void *snd_soc_tplg_get_data(struct snd_soc_tplg_hdr *hdr)
{
@ -165,4 +167,14 @@ int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
const struct snd_soc_tplg_widget_events *events, int num_events,
u16 event_type);
#else
static inline int snd_soc_tplg_component_remove(struct snd_soc_component *comp,
u32 index)
{
return 0;
}
#endif
#endif

6
include/uapi/sound/asoc.h
View File

@ -18,6 +18,12 @@
#include <linux/types.h>
#include <sound/asound.h>
#ifndef __KERNEL__
#error This API is an early revision and not enabled in the current
#error kernel release, it will be enabled in a future kernel version
#error with incompatible changes to what is here.
#endif
/*
* Maximum number of channels topology kcontrol can represent.
*/

3
sound/soc/Kconfig
View File

@ -30,6 +30,9 @@ config SND_SOC_GENERIC_DMAENGINE_PCM
bool
select SND_DMAENGINE_PCM
config SND_SOC_TOPOLOGY
bool
# All the supported SoCs
source "sound/soc/adi/Kconfig"
source "sound/soc/atmel/Kconfig"

3
sound/soc/Makefile
View File

@ -1,6 +1,9 @@
snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o
snd-soc-core-objs += soc-pcm.o soc-compress.o soc-io.o soc-devres.o soc-ops.o
ifneq ($(CONFIG_SND_SOC_TOPOLOGY),)
snd-soc-core-objs += soc-topology.o
endif
ifneq ($(CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM),)
snd-soc-core-objs += soc-generic-dmaengine-pcm.o