From efa9ca1dad49be7f53220a2cd0342b4238f653a6 Mon Sep 17 00:00:00 2001
From: Mykyta Dorokhin <mykyta.dorokhin@globallogic.com>
Date: Tue, 6 Dec 2016 15:21:25 +0200
Subject: mtcap: fix build + refactoring.

---
 io-module/mts_capab.c | 80 ++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 54 insertions(+), 26 deletions(-)

(limited to 'io-module/mts_capab.c')

diff --git a/io-module/mts_capab.c b/io-module/mts_capab.c
index e8e4a27..e4ddb6f 100644
--- a/io-module/mts_capab.c
+++ b/io-module/mts_capab.c
@@ -18,22 +18,21 @@ struct capab_map_s {
  * Should match mts_eeprom.h capabilities
  */
 static struct capab_map_s capabilities_map[] = {
-		{ CAPA_GPS,			"gps"},
-		{ CAPA_DIN,			"din"},
-		{ CAPA_DOUT,		"dout"},
-		{ CAPA_ADC,			"adc"},
-		{ CAPA_BLUETOOTH, 	"bluetooth"},
-		{ CAPA_WIFI, 		"wifi"},
-		{ CAPA_LORA, 		"lora"},
+		{ CAPA_GPS,       "gps"},
+		{ CAPA_DIN,       "din"},
+		{ CAPA_DOUT,      "dout"},
+		{ CAPA_ADC,       "adc"},
+		{ CAPA_BLUETOOTH, "bluetooth"},
+		{ CAPA_WIFI,      "wifi"},
+		{ CAPA_LORA,      "lora"},
 };
-static const unsigned capabilities_count = sizeof(capabilities_map)/sizeof(capabilities_map[0]);
 
 static ssize_t capab_show_value(struct kobject *kobj, struct kobj_attribute *attr, char *buf) {
 	int i;
 	const int count = sizeof(capabilities_map)/sizeof(capabilities_map[0]);
 
-	for(i=0;i<count;i++) {
-		if (! strcmp(capabilities_map[i].name, attr->attr.name)) {
+	for (i = 0; i < count; i++) {
+		if (strcmp(capabilities_map[i].name, attr->attr.name) == 0) {
 			return snprintf(buf, 32, "%u\n", DEVICE_CAPA(id_eeprom.capa, capabilities_map[i].bitvalue) != 0);
 		}
 	}
@@ -41,21 +40,50 @@ static ssize_t capab_show_value(struct kobject *kobj, struct kobj_attribute *att
 	return (ssize_t)-1;
 }
 
-static bool capab_add_attributes(struct attribute** attrs) {
-	struct kobj_attribute* kobj_attr;
-	int i;
-	int count = capabilities_count;
-
-	// We must keep the number of attributes in sync
-	BUG_ON(CAPA_COUNT != count);
-	for(i=0;i<count;i++) {
-		kobj_attr = create_attribute(capabilities_map[i].name, MTS_ATTR_MODE_RO);
-		if (! kobj_attr) {
-			log_error("failed to create attribute [%s]", capabilities_map[i].name);
-			return false;
-		}
-		kobj_attr->show = capab_show_value;
-		attrs[i] = &kobj_attr->attr;
+static DEVICE_ATTR_RO_MTS(capa_attr_gps,  "gps",       capab_show_value);
+static DEVICE_ATTR_RO_MTS(capa_attr_din,  "din",       capab_show_value);
+static DEVICE_ATTR_RO_MTS(capa_attr_dout, "dout",      capab_show_value);
+static DEVICE_ATTR_RO_MTS(capa_attr_adc,  "adc",       capab_show_value);
+static DEVICE_ATTR_RO_MTS(capa_attr_bt,   "bluetooth", capab_show_value);
+static DEVICE_ATTR_RO_MTS(capa_attr_wifi, "wifi",      capab_show_value);
+static DEVICE_ATTR_RO_MTS(capa_attr_lora, "lora",      capab_show_value);
+
+static struct attribute *mts_capa_attributes[] = {
+		&capa_attr_gps.attr,
+		&capa_attr_din.attr,
+		&capa_attr_dout.attr,
+		&capa_attr_adc.attr,
+		&capa_attr_bt.attr,
+		&capa_attr_wifi.attr,
+		&capa_attr_lora.attr,
+		NULL,
+};
+
+static struct attribute_group mts_capa_attr_group = {
+	.attrs = mts_capa_attributes
+};
+
+static struct kobject *mts_capa_kobject = NULL;
+
+static int mts_capab_dir_create(void)
+{
+	mts_capa_kobject = kobject_create_and_add("capability", &mts_io_platform_device->dev.kobj);
+	if (!mts_capa_kobject) {
+		log_error("kobject_create_and_add for capability directory failed");
+		return -ENOMEM;
+	}
+
+	if (sysfs_create_group(mts_capa_kobject, &mts_capa_attr_group)) {
+		log_error("sysfs_create_group failed to create capability group");
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static void mts_capab_dir_delete(void)
+{
+	if (mts_capa_kobject) {
+		kobject_put(mts_capa_kobject);
 	}
-	return true;
 }
-- 
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