greybus: audio_manager: Split device type into i/p & o/p devices

Currently, single field is used to report device type say SPK,
MIC, HS, HP, etc. However above HAL expects separate fields for
input & ouput device types.
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_manager.h

@@ -22,7 +22,8 @@ struct gb_audio_manager_module_descriptor {
 	int vid;
 	int pid;
 	int cport;
-	unsigned int devices;
+	unsigned int ip_devices;
+	unsigned int op_devices;
 };
 
 struct gb_audio_manager_module {

drivers/staging/greybus/audio_manager_module.c

@@ -122,16 +122,27 @@ static struct gb_audio_manager_module_attribute
 					gb_audio_module_cport_attribute =
 	__ATTR(cport, 0664, gb_audio_module_cport_show, NULL);
 
-static ssize_t gb_audio_module_devices_show(
+static ssize_t gb_audio_module_ip_devices_show(
 	struct gb_audio_manager_module *module,
 	struct gb_audio_manager_module_attribute *attr, char *buf)
 {
-	return sprintf(buf, "0x%X", module->desc.devices);
+	return sprintf(buf, "0x%X", module->desc.ip_devices);
 }
 
 static struct gb_audio_manager_module_attribute
-					gb_audio_module_devices_attribute =
-	__ATTR(devices, 0664, gb_audio_module_devices_show, NULL);
+					gb_audio_module_ip_devices_attribute =
+	__ATTR(ip_devices, 0664, gb_audio_module_ip_devices_show, NULL);
+
+static ssize_t gb_audio_module_op_devices_show(
+	struct gb_audio_manager_module *module,
+	struct gb_audio_manager_module_attribute *attr, char *buf)
+{
+	return sprintf(buf, "0x%X", module->desc.op_devices);
+}
+
+static struct gb_audio_manager_module_attribute
+					gb_audio_module_op_devices_attribute =
+	__ATTR(op_devices, 0664, gb_audio_module_op_devices_show, NULL);
 
 static struct attribute *gb_audio_module_default_attrs[] = {
 	&gb_audio_module_name_attribute.attr,
@@ -139,7 +150,8 @@ static struct attribute *gb_audio_module_default_attrs[] = {
 	&gb_audio_module_vid_attribute.attr,
 	&gb_audio_module_pid_attribute.attr,
 	&gb_audio_module_cport_attribute.attr,
-	&gb_audio_module_devices_attribute.attr,
+	&gb_audio_module_ip_devices_attribute.attr,
+	&gb_audio_module_op_devices_attribute.attr,
 	NULL,   /* need to NULL terminate the list of attributes */
 };
 
@@ -156,7 +168,8 @@ static void send_add_uevent(struct gb_audio_manager_module *module)
 	char vid_string[64];
 	char pid_string[64];
 	char cport_string[64];
-	char devices_string[64];
+	char ip_devices_string[64];
+	char op_devices_string[64];
 
 	char *envp[] = {
 		name_string,
@@ -164,7 +177,8 @@ static void send_add_uevent(struct gb_audio_manager_module *module)
 		vid_string,
 		pid_string,
 		cport_string,
-		devices_string,
+		ip_devices_string,
+		op_devices_string,
 		NULL
 	};
 
@@ -173,7 +187,10 @@ static void send_add_uevent(struct gb_audio_manager_module *module)
 	snprintf(vid_string, 64, "VID=%d", module->desc.vid);
 	snprintf(pid_string, 64, "PID=%d", module->desc.pid);
 	snprintf(cport_string, 64, "CPORT=%d", module->desc.cport);
-	snprintf(devices_string, 64, "DEVICES=0x%X", module->desc.devices);
+	snprintf(ip_devices_string, 64, "I/P DEVICES=0x%X",
+		 module->desc.ip_devices);
+	snprintf(op_devices_string, 64, "O/P DEVICES=0x%X",
+		 module->desc.op_devices);
 
 	kobject_uevent_env(&module->kobj, KOBJ_ADD, envp);
 }
@@ -229,12 +246,13 @@ int gb_audio_manager_module_create(
 
 void gb_audio_manager_module_dump(struct gb_audio_manager_module *module)
 {
-	pr_info("audio module #%d name=%s slot=%d vid=%d pid=%d cport=%d devices=0x%X\n",
+	pr_info("audio module #%d name=%s slot=%d vid=%d pid=%d cport=%d i/p devices=0x%X o/p devices=0x%X\n",
 		module->id,
 		module->desc.name,
 		module->desc.slot,
 		module->desc.vid,
 		module->desc.pid,
 		module->desc.cport,
-		module->desc.devices);
+		module->desc.ip_devices,
+		module->desc.op_devices);
 }

drivers/staging/greybus/audio_manager_sysfs.c

@@ -20,11 +20,12 @@ static ssize_t manager_sysfs_add_store(
 
 	int num = sscanf(buf,
 			"name=%" GB_AUDIO_MANAGER_MODULE_NAME_LEN_SSCANF "s "
-			"slot=%d vid=%d pid=%d cport=%d devices=0x%X",
+			"slot=%d vid=%d pid=%d cport=%d i/p devices=0x%X"
+			"o/p devices=0x%X",
 			desc.name, &desc.slot, &desc.vid, &desc.pid,
-			&desc.cport, &desc.devices);
+			&desc.cport, &desc.ip_devices, &desc.op_devices);
 
-	if (num != 6)
+	if (num != 7)
 		return -EINVAL;
 
 	num = gb_audio_manager_add(&desc);

drivers/staging/greybus/audio_module.c

@@ -353,7 +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.devices = 0x2; /* todo */
+	desc.op_devices = 0x2; /* todo */
+	desc.ip_devices = 0x0; /* todo */
 	gbmodule->manager_id = gb_audio_manager_add(&desc);
 
 	dev_dbg(dev, "Add GB Audio device:%s\n", gbmodule->name);