diff options
| author | Shiv Maliyappanahalli <smaliyap@codeaurora.org> | 2014-05-23 15:20:13 -0700 |
|---|---|---|
| committer | Eric Laurent <elaurent@google.com> | 2014-10-27 12:47:05 -0700 |
| commit | 892d6a54971fa244570b504c2cf4f818f668a8d6 (patch) | |
| tree | 577a401f04844adda1017336b18f2132eb7c3124 | |
| parent | 8863816dc5659a1e4678d17906c90844264d1588 (diff) | |
| download | tinyalsa-lollipop-mr1-release.tar.gz | |
pcm: add support for pcm_ioctl() apiandroid-cts-5.1_r9android-cts-5.1_r8android-cts-5.1_r7android-cts-5.1_r6android-cts-5.1_r5android-cts-5.1_r4android-cts-5.1_r3android-cts-5.1_r28android-cts-5.1_r27android-cts-5.1_r26android-cts-5.1_r25android-cts-5.1_r24android-cts-5.1_r23android-cts-5.1_r22android-cts-5.1_r21android-cts-5.1_r20android-cts-5.1_r2android-cts-5.1_r19android-cts-5.1_r18android-cts-5.1_r17android-cts-5.1_r16android-cts-5.1_r15android-cts-5.1_r14android-cts-5.1_r13android-cts-5.1_r10android-cts-5.1_r1android-5.1.1_r9android-5.1.1_r8android-5.1.1_r7android-5.1.1_r6android-5.1.1_r5android-5.1.1_r4android-5.1.1_r38android-5.1.1_r37android-5.1.1_r36android-5.1.1_r35android-5.1.1_r34android-5.1.1_r33android-5.1.1_r30android-5.1.1_r3android-5.1.1_r29android-5.1.1_r28android-5.1.1_r26android-5.1.1_r25android-5.1.1_r24android-5.1.1_r23android-5.1.1_r22android-5.1.1_r20android-5.1.1_r2android-5.1.1_r19android-5.1.1_r18android-5.1.1_r17android-5.1.1_r16android-5.1.1_r15android-5.1.1_r14android-5.1.1_r13android-5.1.1_r12android-5.1.1_r10android-5.1.1_r1android-5.1.0_r5android-5.1.0_r4android-5.1.0_r3android-5.1.0_r1lollipop-mr1-wfc-releaselollipop-mr1-releaselollipop-mr1-fi-releaselollipop-mr1-devlollipop-mr1-cts-release
Tinyalsa doesn't expose an api to call ioctls exposed by
the audio drivers. Add pcm_ioctl() api.
Bug: 18137488.
Change-Id: I6218580dbf4b2f31cb95d246ed79f0d2ac28b0b1
| -rw-r--r-- | include/tinyalsa/asoundlib.h | 3 | ||||
| -rw-r--r-- | pcm.c | 15 |
2 files changed, 18 insertions, 0 deletions
diff --git a/include/tinyalsa/asoundlib.h b/include/tinyalsa/asoundlib.h index 75e5cda..809e02d 100644 --- a/include/tinyalsa/asoundlib.h +++ b/include/tinyalsa/asoundlib.h @@ -239,6 +239,9 @@ int pcm_prepare(struct pcm *pcm); int pcm_start(struct pcm *pcm); int pcm_stop(struct pcm *pcm); +/* ioctl function for PCM driver */ +int pcm_ioctl(struct pcm *pcm, int request, ...); + /* Interrupt driven API */ int pcm_wait(struct pcm *pcm, int timeout); @@ -1283,3 +1283,18 @@ int pcm_mmap_read(struct pcm *pcm, void *data, unsigned int count) return pcm_mmap_transfer(pcm, data, count); } + +int pcm_ioctl(struct pcm *pcm, int request, ...) +{ + va_list ap; + void * arg; + + if (!pcm_is_ready(pcm)) + return -1; + + va_start(ap, request); + arg = va_arg(ap, void *); + va_end(ap); + + return ioctl(pcm->fd, request, arg); +} |