w1: Add support for DS2780 gas gauge

Stingray will initially ship with the DS2780 instead of the DS2781
gas gauge.  The same DS2781 driver will work, but need to look for
the DS2780 family code.

Change-Id: I6b47f31d6362895839af4922210dba2aee41db42
Signed-off-by: Greg Meiste <w30289@motorola.com>

diff --git a/drivers/w1/slaves/w1_ds2781.c b/drivers/w1/slaves/w1_ds2781.c
index e50341f072444a15b7b1e99c4de475c724fe6060..cda90d7ddffcabb87804a22e8d363c0287b7bc59 100644 (file)
--- a/drivers/w1/slaves/w1_ds2781.c
+++ b/drivers/w1/slaves/w1_ds2781.c
@@ -184,6 +184,11 @@ static struct w1_family_ops w1_ds2781_fops = {
        .remove_slave = w1_ds2781_remove_slave,
 };
 
+static struct w1_family w1_ds2780_family = {
+       .fid = W1_FAMILY_DS2780,
+       .fops = &w1_ds2781_fops,
+};
+
 static struct w1_family w1_ds2781_family = {
        .fid = W1_FAMILY_DS2781,
        .fops = &w1_ds2781_fops,
@@ -192,11 +197,13 @@ static struct w1_family w1_ds2781_family = {
 static int __init w1_ds2781_init(void)
 {
        idr_init(&bat_idr);
+       w1_register_family(&w1_ds2780_family);
        return w1_register_family(&w1_ds2781_family);
 }
 
 static void __exit w1_ds2781_exit(void)
 {
+       w1_unregister_family(&w1_ds2780_family);
        w1_unregister_family(&w1_ds2781_family);
        idr_destroy(&bat_idr);
 }

diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index 68310b46afd5644d48d76d9383e8f811293d0288..4dae9ee31fe3a884f45c315c9429ce921cd289c6 100644 (file)
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -35,6 +35,7 @@
 #define W1_THERM_DS18B20       0x28
 #define W1_EEPROM_DS2431       0x2D
 #define W1_FAMILY_DS2760       0x30
+#define W1_FAMILY_DS2780       0x32
 #define W1_FAMILY_DS2781       0x3D
 
 #define MAXNAMELEN             32