audio: fix ion buffer even though we don't use it

audio/AudioHardware.cpp

@@ -273,11 +273,9 @@ status_t AudioHardware::initCheck()
 AudioStreamOut* AudioHardware::openOutputStream(uint32_t devices, int *format, uint32_t *channels,
         uint32_t *sampleRate, status_t *status)
 {
-    ALOGD("openOutputStream: devices = %u format = %x channels = %u sampleRate = %u\n",
-         devices, *format, *channels, *sampleRate);
-
     audio_output_flags_t flags = static_cast<audio_output_flags_t> (*status);
-
+    ALOGD("openOutputStream: devices = %u format = %x channels = %u sampleRate = %u flags %x\n",
+         devices, *format, *channels, *sampleRate, flags);
     { // scope for the lock
         status_t lStatus;
         Mutex::Autolock lock(mLock);
@@ -3558,12 +3556,11 @@ status_t AudioHardware::AudioSessionOutLPA::openAudioSessionDevice( )
     }
 
 	start();
-	//bufferAlloc();
+	bufferAlloc();
 
 	return status;
 }
 
-/*
 void AudioHardware::AudioSessionOutLPA::bufferAlloc( )
 {
     // Allocate ION buffers
@@ -3712,7 +3709,6 @@ void AudioHardware::AudioSessionOutLPA::bufferDeAlloc()
         ionfd = -1;
     }
 }
-*/
 
 uint32_t AudioHardware::AudioSessionOutLPA::latency() const
 {
@@ -4002,7 +3998,7 @@ void AudioHardware::AudioSessionOutLPA::reset()
     mIsDriverStarted = false;
     requestAndWaitForEventThreadExit();
     status_t status = NO_ERROR;
-    //bufferDeAlloc();
+    bufferDeAlloc();
     ::close(afd);
     ALOGD("AudioSessionOutLPA::reset() complete");
 }

include/linux/msm_audio.h

@@ -1,6 +1,7 @@
 /* include/linux/msm_audio.h
  *
  * Copyright (C) 2008 Google, Inc.
+ * Copyright (c) 2012 Code Aurora Forum. All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -63,6 +64,9 @@
 					unsigned short)
 #define AUDIO_GET_BITSTREAM_ERROR_INFO _IOR(AUDIO_IOCTL_MAGIC, 42, \
 			       struct msm_audio_bitstream_error_info)
+
+#define AUDIO_SET_SRS_TRUMEDIA_PARAM _IOW(AUDIO_IOCTL_MAGIC, 43, unsigned)
+
 /* Qualcomm extensions */
 #define AUDIO_SET_STREAM_CONFIG   _IOW(AUDIO_IOCTL_MAGIC, 80, \
 				struct msm_audio_stream_config)
@@ -90,6 +94,9 @@
 #define AUDIO_GET_ACDB_BLK _IOW(AUDIO_IOCTL_MAGIC, 96,  \
 					struct msm_acdb_cmd_device)
 
+#define AUDIO_REGISTER_ION _IOW(AUDIO_IOCTL_MAGIC, 97, unsigned)
+#define AUDIO_DEREGISTER_ION _IOW(AUDIO_IOCTL_MAGIC, 98, unsigned)
+
 #define	AUDIO_MAX_COMMON_IOCTL_NUM	100
 
 
@@ -129,6 +136,8 @@
 #define IIR_ENABLE		0x0004
 #define QCONCERT_PLUS_ENABLE	0x0008
 #define MBADRC_ENABLE		0x0010
+#define SRS_ENABLE		0x0020
+#define SRS_DISABLE	0x0040
 
 #define AGC_ENABLE		0x0001
 #define NS_ENABLE		0x0002
@@ -166,6 +175,11 @@ struct msm_audio_stats {
 	uint32_t unused[2];
 };
 
+struct msm_audio_ion_info {
+	int fd;
+	void *vaddr;
+};
+
 struct msm_audio_pmem_info {
 	int fd;
 	void *vaddr;
@@ -208,6 +222,28 @@ struct msm_snd_device_config {
 
 #define SND_SET_DEVICE _IOW(SND_IOCTL_MAGIC, 2, struct msm_device_config *)
 
+enum cad_device_path_type {
+	CAD_DEVICE_PATH_RX,	/*For Decoding session*/
+	CAD_DEVICE_PATH_TX,	/* For Encoding session*/
+	CAD_DEVICE_PATH_RX_TX, /* For Voice call */
+	CAD_DEVICE_PATH_LB,	/* For loopback (FM Analog)*/
+	CAD_DEVICE_PATH_MAX
+};
+
+struct cad_devices_type {
+	uint32_t rx_device;
+	uint32_t tx_device;
+	enum cad_device_path_type pathtype;
+};
+
+struct msm_cad_device_config {
+	struct cad_devices_type device;
+	uint32_t ear_mute;
+	uint32_t mic_mute;
+};
+
+#define CAD_SET_DEVICE _IOW(SND_IOCTL_MAGIC, 2, struct msm_cad_device_config *)
+
 #define SND_METHOD_VOICE 0
 
 struct msm_snd_volume_config {
@@ -218,6 +254,14 @@ struct msm_snd_volume_config {
 
 #define SND_SET_VOLUME _IOW(SND_IOCTL_MAGIC, 3, struct msm_snd_volume_config *)
 
+struct msm_cad_volume_config {
+	struct cad_devices_type device;
+	uint32_t method;
+	uint32_t volume;
+};
+
+#define CAD_SET_VOLUME _IOW(SND_IOCTL_MAGIC, 3, struct msm_cad_volume_config *)
+
 /* Returns the number of SND endpoints supported. */
 
 #define SND_GET_NUM_ENDPOINTS _IOR(SND_IOCTL_MAGIC, 4, unsigned *)
@@ -240,6 +284,24 @@ struct msm_snd_endpoint {
 #define SND_AVC_CTL _IOW(SND_IOCTL_MAGIC, 6, unsigned *)
 #define SND_AGC_CTL _IOW(SND_IOCTL_MAGIC, 7, unsigned *)
 
+/*return the number of CAD endpoints supported. */
+
+#define CAD_GET_NUM_ENDPOINTS _IOR(SND_IOCTL_MAGIC, 4, unsigned *)
+
+struct msm_cad_endpoint {
+	int id; /* input and output */
+	char name[64]; /* output only */
+};
+
+/* Takes an index between 0 and one less than the number returned by
+ * SND_GET_NUM_ENDPOINTS, and returns the CAD index and name of a
+ * CAD endpoint.  On input, the .id field contains the number of the
+ * endpoint, and on exit it contains the SND index, while .name contains
+ * the description of the endpoint.
+ */
+
+#define CAD_GET_ENDPOINT _IOWR(SND_IOCTL_MAGIC, 5, struct msm_cad_endpoint *)
+
 struct msm_audio_pcm_config {
 	uint32_t pcm_feedback;	/* 0 - disable > 0 - enable */
 	uint32_t buffer_count;	/* Number of buffers to allocate */