[PATCH] w1_smem: support for new simple rom family [0x81 id].

Support for new simple rom family [0x81 id].
It is the same as existing 0x01 family,
which is used in ds9490* w1 adapters.
Patch is on top of new-thermal-sensor-families patch.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/w1/w1_family.h

@@ -27,7 +27,8 @@
 #include <asm/atomic.h>
 
 #define W1_FAMILY_DEFAULT	0
-#define W1_FAMILY_SMEM		0x01
+#define W1_FAMILY_SMEM_01	0x01
+#define W1_FAMILY_SMEM_81	0x81
 #define W1_THERM_DS18S20 	0x10
 #define W1_THERM_DS1822  	0x22
 #define W1_THERM_DS18B20 	0x28

drivers/w1/w1_smem.c

@@ -99,19 +99,37 @@ static ssize_t w1_smem_read_bin(struct kobject *kobj, char *buf, loff_t off, siz
 	return count;
 }
 
-static struct w1_family w1_smem_family = {
-	.fid = W1_FAMILY_SMEM,
+static struct w1_family w1_smem_family_01 = {
+	.fid = W1_FAMILY_SMEM_01,
+	.fops = &w1_smem_fops,
+};
+
+static struct w1_family w1_smem_family_81 = {
+	.fid = W1_FAMILY_SMEM_81,
 	.fops = &w1_smem_fops,
 };
 
 static int __init w1_smem_init(void)
 {
-	return w1_register_family(&w1_smem_family);
+	int err;
+
+	err = w1_register_family(&w1_smem_family_01);
+	if (err)
+		return err;
+
+	err = w1_register_family(&w1_smem_family_81);
+	if (err) {
+		w1_unregister_family(&w1_smem_family_01);
+		return err;
+	}
+
+	return 0;
 }
 
 static void __exit w1_smem_fini(void)
 {
-	w1_unregister_family(&w1_smem_family);
+	w1_unregister_family(&w1_smem_family_01);
+	w1_unregister_family(&w1_smem_family_81);
 }
 
 module_init(w1_smem_init);