usbaudio: reset profile on device disconnect

Reset ALSA device profile on disconnect event. Entries like
supported sample rates, channel counts, formats will be repopulated
on next connect.

CRs-Fixed: 765434
Change-Id: I27d3b7fd7ff22646996f58c53de08547b1a1fb6a
Bug: 18606219

diff --git a/modules/usbaudio/alsa_device_profile.c b/modules/usbaudio/alsa_device_profile.c
index 5c4edd1..8e84471 100644 (file)
--- a/modules/usbaudio/alsa_device_profile.c
+++ b/modules/usbaudio/alsa_device_profile.c
@@ -58,10 +58,9 @@ extern int8_t const pcm_format_value_map[50];
 static const unsigned std_sample_rates[] =
     {48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000};
 
-void profile_init(alsa_device_profile* profile, int direction)
+static void profile_reset(alsa_device_profile* profile)
 {
     profile->card = profile->device = -1;
-    profile->direction = direction;
 
     /* Fill the attribute arrays with invalid values */
     size_t index;
@@ -83,6 +82,12 @@ void profile_init(alsa_device_profile* profile, int direction)
     profile->is_valid = false;
 }
 
+void profile_init(alsa_device_profile* profile, int direction)
+{
+    profile->direction = direction;
+    profile_reset(profile);
+}
+
 bool profile_is_initialized(alsa_device_profile* profile)
 {
     return profile->card >= 0 && profile->device >= 0;
@@ -97,7 +102,7 @@ bool profile_is_cached_for(alsa_device_profile* profile, int card, int device) {
 }
 
 void profile_decache(alsa_device_profile* profile) {
-    profile->card = profile->device = -1;
+    profile_reset(profile);
 }
 
 /*