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author | Takashi Iwai <tiwai@suse.de> | 2011-02-28 17:03:27 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2011-02-28 17:03:27 +0100 |
commit | a492d185c55fceaf3e074012578a4d56c4f36f4b (patch) | |
tree | 261b2ef184591fa062cd4409d65b6c1ebe302a08 | |
parent | 94ede6e3802d15d2df05639e4245b7c09d1f0145 (diff) | |
download | alsa-driver-build-unstable-a492d185c55fceaf3e074012578a4d56c4f36f4b.tar.gz |
Add a wrapper of async API for older kernels
Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r-- | configure.in | 2 | ||||
-rw-r--r-- | include/async_compat.h | 37 |
2 files changed, 39 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 0d6ef7f1d..d506d46cd 100644 --- a/configure.in +++ b/configure.in @@ -1584,6 +1584,8 @@ CHECK_KERNEL_HEADER(linux/gfp.h) CHECK_KERNEL_HEADER(pcmcia/cs_types.h, [#define SND_HAVE_DUMMY_CS_TYPES_H]) CHECK_KERNEL_HEADER(pcmcia/cs.h, [#define SND_HAVE_DUMMY_CS_H]) CHECK_KERNEL_HEADER(linux/lzo.h) +CHECK_KERNEL_HEADER(linux/async.h, [#include \"async_compat.h\" +]) mkdir -p include/trace/events echo "Creating a dummy <trace/events/asoc.h>..." diff --git a/include/async_compat.h b/include/async_compat.h new file mode 100644 index 000000000..bcde53f0b --- /dev/null +++ b/include/async_compat.h @@ -0,0 +1,37 @@ +#ifndef _ASYNC_COMPAT_H +#define _ASYNC_COMPAT_H + +typedef u64 async_cookie_t; +typedef void (async_func_ptr) (void *data, async_cookie_t cookie); + +/* just do synchronous calls */ +static inline async_cookie_t +async_schedule_domain(async_func_ptr *ptr, void *data, struct list_head *list) +{ + ptr(data, 0); + return 0; +} + +static inline void async_synchronize_full(void) +{ +} + +static inline async_cookie_t async_schedule(async_func_ptr *ptr, void *data) +{ + return async_schedule_domain(ptr, data, NULL); +} + +static inline void async_synchronize_full_domain(struct list_head *list) +{ +} + +static inline void async_synchronize_cookie(async_cookie_t cookie) +{ +} + +static inline void async_synchronize_cookie_domain(async_cookie_t cookie, + struct list_head *list) +{ +} + +#endif |