hal: Add speaker backend case handling

* Some devices route their speakers through a different backend. Allow
  speaker use cases to be routed separately in this case.

Change-Id: I6bcaa4a0b72d2fc60ae02d4f49cfca0fdb55405f
Revert "audio: primary desc check for sonification"

 * Handled in libhardware_legacy now.

This reverts commit 01f7fcc7694b23b07c59de6c786ae5c3e715d212.
hal: Update BT sample rate for BT input device

-BT sample rate should be set before opening BT SCO output
 or input device. Currently it is set only for output device.
-Set sample rate for BT SCO input device also

Change-Id: I356557a727f5946ff3b4eb89ea16e4c16d84d21c
audio: use of audio_route_{apply/reset}_and_update_path APIs

1) Update enable/disable device and route to use the new APIs.
   With this change, mixer controls will be updated in the order
   listed in mixer paths XML file.
2) update_mixer is now an unused var.

Change-Id: Ic0a8874e4a2080347cfa0c2e66af606a08a207a7
CRs-Fixed: 581453
Revert "Revert "audio: primary desc check for sonification""

 * Voodoo. Sort this out later.

This reverts commit aef8ce5477cdf0c9117c8be7e9eb250326cad204.
Remove current msm7x30 audio HAL

This HAL is outdated & contains legacy code
Remove it so we can import the newest HAL from jb_2.5.3 branch
Import msm7630 audio HAL from jb_2.5.3 branch

Squashed import of the following CAF commits:

a0947f8 audio/msm7630: Initial commit for MR1 Audio bringup.
67550d7 audio: compile only if TARGET_USES_QCOM_MM_AUDIO set to true
51e24b7 msm7630 : Propagate the flag value to status
4642b91 Remove audio_poliy.conf from msm7630
b982f5a audio/8655: Enabling LPA playback by adding AudioSessionOutLPA class
fef3c65 audio/msm8655: Fix for AAC recording failure.
eeae23f msm7630 : Send proper channleMask for getInputProfile()
fe2acf4 Update copyright to The Linux Foundation
4931e2c audio/msm7630: Add usb audio hal profile.
04bcc5f audio/msm7630: Fix for volume change during voice call
58de776 7x30 : Port heap mask change to ion
c0a97d0 audio/msm7630: Fix the issue of voice call when HDMI connected
223c325 audio/msm7630: Fix to enable TTY device
387befb audio/msm7630: Add latency support for LPA
701b6c6 audio/msm7630: Fix for routing camcorded encoded clip audio to wired headset
a20c757 audio/msm7630: Fix for back to back VOIP calls failure
8f6be8a audio/msm7630 : Stability issue with LPA play back.

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>
legacy/msm7x30: Use CM standard qcom naming

* Also add msm7x30 to the build barrier
audio/msm7x30: Fix build in CM

* Build without qcom audio calibration
* Hack for prebuilt libraries we don't have access to
* Little cleanup of makefile
audio/msm7x30: Fix log tags and disable debug logging

Change-Id: I4712b09c86e3a067b0c847661fa43828be6eee23
audio/msm7x30: Stop the log spam during VOIP calls

Change-Id: Idfe211b1fef6f2aeee51ebe7f1b6ce3f4a0787be
audio/msm7x30: disable logcat spam

Change-Id: I82ebb39e62f49c24f236cc9eeadbc303f8dbd823
audio/msm7x30: Fix for Echo in Gtalk

- Echo is observed in Gtalk.
- Audio HAL informs that clients that it handle the Echo
  cancellation and with AHAL client turns off the EC.
- EC is not supported in this PL remove it from getparam
CRs-Fixed: 427161

Change-Id: I62eba7ed7566045f61c34a51c8ac36029b8596ea
audio/msm7x30: Use q5v2_msm_audio_mvs_frame struct

Otherwise a packet size of 640, which 7x30 modem doesn't support,
will be used. 7x30 expects a packet size of 320.

Was changed in AudioHardware::AudioStreamOutDirect::write, but
seems to have been forgotten here.

Related kernel change: http://bit.ly/M7ZqMN

Change-Id: Ie89da836cbe27ea6b6cd10ef5c830ecc7020a624
legacy/msm7x30: Use audio policy from legacy/alsa_sound

* Clone of the legacy/alsa_sound audio policy HAL
audio/msm7x30: Only use earpiece when specified.

There are a few cases where the audio gets routed to earpiece, while it should
be at the speaker mode. To fix this, always default to speaker mode and only use
earpiece when it is specified.

Change-Id: I9fe2e54b20e2aa8aeac4b75b191a51790612f468
audio/msm7x30: fix a crash on audio initialize

Fixes crash on mediaserver if the device_count got from
audioalsa library is greater than DEVICE_COUNT in HAL

Change-Id: Ic5a29ddbee4f7b79ec944e6b48ef8272177659e6
audio/msm7x30: Add system property to toggle headset microphone.

Change-Id: Idb9782808f190da4a715a0c5597043f9c06134d8
audio/msm7x30: Allow devices with mono speaker to function.

If the device has both speakers, stereo will be used.

Change-Id: Ia73a00f09fff56d58f9cd9a29723251734353f83
audio/msm7x30: Allow devices with broadside dual mic to function.

If the device has both dual mics, endfire will be used.

Change-Id: Id6a197e85b159bb4f5452553e3b6a417bd1b9db4