commit 07972cc59507ae8623ddc21b979c249f71567ed7
author Mingming Yin <mingming@codeaurora.org> Fri Jun 06 17:11:23 2014 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon Jun 16 11:42:12 2014 -0700
tree 4ff78f5533ed25b11a2257491382bcceb812f8bf
parent 77a0d1183e569d6d72a1a38673c7b8bdb5184416

hal: add support for pcm_ioctl() api

- Tinyalsa doesn't expose an api to call
  ioctls exposed by the audio drivers.
- Add pcm_ioctl() api to support pcm ioctl.

Change-Id: I448252e8d3347257a73c56bc8ed341abc2dd2dab

hal/audio_hw.c

diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 37bbcba..f0a5a97 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -2913,6 +2913,19 @@
     return 0;
 }
 
+int pcm_ioctl(struct pcm *pcm, int request, ...)
+{
+    va_list ap;
+    void * arg;
+    int pcm_fd = *(int*)pcm;
+
+    va_start(ap, request);
+    arg = va_arg(ap, void *);
+    va_end(ap);
+
+    return ioctl(pcm_fd, request, arg);
+}
+
 static struct hw_module_methods_t hal_module_methods = {
     .open = adev_open,
 };

hal/audio_hw.h

diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index 1b2606c..a15d62a 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -299,6 +299,8 @@
 
 bool is_offload_usecase(audio_usecase_t uc_id);
 
+int pcm_ioctl(struct pcm *pcm, int request, ...);
+
 #define LITERAL_TO_STRING(x) #x
 #define CHECK(condition) LOG_ALWAYS_FATAL_IF(!(condition), "%s",\
             __FILE__ ":" LITERAL_TO_STRING(__LINE__)\