diff options
Diffstat (limited to 'drivers/w1/w1.c')
-rw-r--r-- | drivers/w1/w1.c | 10 |
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 | |||
892 | break; | 892 | break; |
893 | } | 893 | } |
894 | 894 | ||
895 | /* Do fast search on single slave bus */ | ||
896 | if (dev->max_slave_count == 1) { | ||
897 | w1_write_8(dev, W1_READ_ROM); | ||
898 | |||
899 | if (w1_read_block(dev, (u8 *)&rn, 8) == 8 && rn) | ||
900 | cb(dev, rn); | ||
901 | |||
902 | break; | ||
903 | } | ||
904 | |||
895 | /* Start the search */ | 905 | /* Start the search */ |
896 | w1_write_8(dev, search_type); | 906 | w1_write_8(dev, search_type); |
897 | for (i = 0; i < 64; ++i) { | 907 | for (i = 0; i < 64; ++i) { |