commit f538cefc0747e6bc2cff296ad295f6a37e17f7a5
author Gopikrishnaiah Anandan <agopik@codeaurora.org> Mon Oct 28 14:06:03 2013 -0700
committer Ravi Kumar Alamanda <ralama@codeaurora.org> Sat Nov 09 10:58:54 2013 -0800
tree 2552484ceca9c39469f97496e67cac895b909d8c
parent ac203d58b046be0095bbc5842176fa5d7c26d9b5

hal: Add support for speaker protection

- Speaker protection feature protects the speaker from
  overheating.

Change-Id: Ida4899534124eba203025915beba662e88a0f403

hal/audio_extn/audio_extn.h

diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index 62fbd8d..a54e5e7 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -125,4 +125,16 @@
                             const char* mixer_xml_path,
                             const char* mixer_xml_path_auxpcm);
 #endif /* AUXPCM_BT_ENABLED */
+#ifndef SPKR_PROT_ENABLED
+#define audio_extn_spkr_prot_init(adev)       (0)
+#define audio_extn_spkr_prot_start_processing(snd_device)    (-EINVAL)
+#define audio_extn_spkr_prot_stop_processing()     (0)
+#define audio_extn_spkr_prot_is_enabled() (false)
+#else
+void audio_extn_spkr_prot_init(void *adev);
+int audio_extn_spkr_prot_start_processing(snd_device_t snd_device);
+void audio_extn_spkr_prot_stop_processing();
+bool audio_extn_spkr_prot_is_enabled();
+#endif
+
 #endif /* AUDIO_EXTN_H */