greybus: audio: Update device type based on widget types

Device type info shared to above HAL is currently hard coded
to SPK only. Actual device type is identifed while parsing
widget types from topology FW shared by codec module.
Signed-off-by: Vaibhav Agarwal <vaibhav.agarwal@linaro.org>
Reviewed-by: Mark Greer <mgreer@animalcreek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/audio_codec.h

@@ -36,6 +36,21 @@ enum gbcodec_reg_index {
 	GBCODEC_REG_COUNT
 };
 
+/* device_type should be same as defined in audio.h (Android media layer) */
+enum {
+	GBAUDIO_DEVICE_NONE                     = 0x0,
+	/* reserved bits */
+	GBAUDIO_DEVICE_BIT_IN                   = 0x80000000,
+	GBAUDIO_DEVICE_BIT_DEFAULT              = 0x40000000,
+	/* output devices */
+	GBAUDIO_DEVICE_OUT_SPEAKER              = 0x2,
+	GBAUDIO_DEVICE_OUT_WIRED_HEADSET        = 0x4,
+	GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE      = 0x8,
+	/* input devices */
+	GBAUDIO_DEVICE_IN_BUILTIN_MIC           = GBAUDIO_DEVICE_BIT_IN | 0x4,
+	GBAUDIO_DEVICE_IN_WIRED_HEADSET         = GBAUDIO_DEVICE_BIT_IN | 0x10,
+};
+
 /* bit 0-SPK, 1-HP, 2-DAC,
  * 4-MIC, 5-HSMIC, 6-MIC2
  */
@@ -144,6 +159,8 @@ struct gbaudio_module_info {
 	/* need to share this info to above user space */
 	int manager_id;
 	char name[NAME_SIZE];
+	unsigned int ip_devices;
+	unsigned int op_devices;
 
 	/* jack related */
 	char jack_name[NAME_SIZE];

drivers/staging/greybus/audio_module.c

@@ -353,8 +353,8 @@ static int gb_audio_probe(struct gb_bundle *bundle,
 	desc.vid = 2; /* todo */
 	desc.pid = 3; /* todo */
 	desc.cport = gbmodule->dev_id;
-	desc.op_devices = 0x2; /* todo */
-	desc.ip_devices = 0x0; /* todo */
+	desc.op_devices = gbmodule->op_devices;
+	desc.ip_devices = gbmodule->ip_devices;
 	gbmodule->manager_id = gb_audio_manager_add(&desc);
 
 	dev_dbg(dev, "Add GB Audio device:%s\n", gbmodule->name);

drivers/staging/greybus/audio_topology.c

@@ -665,15 +665,20 @@ static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module,
 	case snd_soc_dapm_spk:
 		*dw = (struct snd_soc_dapm_widget)
 			SND_SOC_DAPM_SPK(w->name, gbcodec_event_spk);
+		module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER;
 		break;
 	case snd_soc_dapm_hp:
 		*dw = (struct snd_soc_dapm_widget)
 			SND_SOC_DAPM_HP(w->name, gbcodec_event_hp);
 		module->num_jacks++;
+		module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET
+					| GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE);
+		module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET;
 		break;
 	case snd_soc_dapm_mic:
 		*dw = (struct snd_soc_dapm_widget)
 			SND_SOC_DAPM_MIC(w->name, gbcodec_event_int_mic);
+		module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC;
 		break;
 	case snd_soc_dapm_output:
 		*dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_OUTPUT(w->name);