diff options
| author | Evgeniy Polyakov <johnpol@2ka.mipt.ru> | 2005-08-11 17:27:49 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-08 14:41:26 -0700 |
| commit | ea7d8f65c865ebfa1d7cd67c360a87333ff013c1 (patch) | |
| tree | 1e687c32d53a92c10a61fb23ab14763459ff5779 /drivers/w1/w1_therm.c | |
| parent | db2d0008de519c5db6baec45f7831e08790301cf (diff) | |
[PATCH] w1: Added w1_reset_select_slave() - Resets the bus and then selects the slave by
sending either a skip rom or a rom match.
Patch from Ben Gardner <bgardner@wabtec.com>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/w1/w1_therm.c')
| -rw-r--r-- | drivers/w1/w1_therm.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/w1/w1_therm.c b/drivers/w1/w1_therm.c index 2259f3d851ff..2ed0e0f48268 100644 --- a/drivers/w1/w1_therm.c +++ b/drivers/w1/w1_therm.c @@ -176,15 +176,10 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si crc = 0; while (max_trying--) { - if (!w1_reset_bus (dev)) { + if (!w1_reset_select_slave(sl)) { int count = 0; - u8 match[9] = {W1_MATCH_ROM, }; unsigned int tm = 750; - memcpy(&match[1], (u64 *) & sl->reg_num, 8); - - w1_write_block(dev, match, 9); - w1_write_8(dev, W1_CONVERT_TEMP); while (tm) { @@ -193,8 +188,7 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si flush_signals(current); } - if (!w1_reset_bus (dev)) { - w1_write_block(dev, match, 9); + if (!w1_reset_select_slave(sl)) { w1_write_8(dev, W1_READ_SCRATCHPAD); if ((count = w1_read_block(dev, rom, 9)) != 9) { @@ -205,7 +199,6 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si if (rom[8] == crc && rom[0]) verdict = 1; - } } |