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-rw-r--r--drivers/w1/w1.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index c37497823851..9761950697b4 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -892,6 +892,16 @@ void w1_search(struct w1_master *dev, u8 search_type, w1_slave_found_callback cb
break;
}
+ /* Do fast search on single slave bus */
+ if (dev->max_slave_count == 1) {
+ w1_write_8(dev, W1_READ_ROM);
+
+ if (w1_read_block(dev, (u8 *)&rn, 8) == 8 && rn)
+ cb(dev, rn);
+
+ break;
+ }
+
/* Start the search */
w1_write_8(dev, search_type);
for (i = 0; i < 64; ++i) {