summaryrefslogtreecommitdiffstats
path: root/drivers/w1/slaves/w1_ds2406.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/w1/slaves/w1_ds2406.c')
-rw-r--r--drivers/w1/slaves/w1_ds2406.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/w1/slaves/w1_ds2406.c b/drivers/w1/slaves/w1_ds2406.c
index 6c269af73c80..3bb88b51fe2b 100644
--- a/drivers/w1/slaves/w1_ds2406.c
+++ b/drivers/w1/slaves/w1_ds2406.c
@@ -27,11 +27,11 @@ static ssize_t w1_f12_read_state(
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
- u8 w1_buf[6]={W1_F12_FUNC_READ_STATUS, 7, 0, 0, 0, 0};
+ u8 w1_buf[6] = {W1_F12_FUNC_READ_STATUS, 7, 0, 0, 0, 0};
struct w1_slave *sl = kobj_to_w1_slave(kobj);
- u16 crc=0;
+ u16 crc = 0;
int i;
- ssize_t rtnval=1;
+ ssize_t rtnval = 1;
if (off != 0)
return 0;
@@ -47,12 +47,12 @@ static ssize_t w1_f12_read_state(
w1_write_block(sl->master, w1_buf, 3);
w1_read_block(sl->master, w1_buf+3, 3);
- for (i=0; i<6; i++)
- crc=crc16_byte(crc, w1_buf[i]);
- if (crc==0xb001) /* good read? */
- *buf=((w1_buf[3]>>5)&3)|0x30;
+ for (i = 0; i < 6; i++)
+ crc = crc16_byte(crc, w1_buf[i]);
+ if (crc == 0xb001) /* good read? */
+ *buf = ((w1_buf[3]>>5)&3)|0x30;
else
- rtnval=-EIO;
+ rtnval = -EIO;
mutex_unlock(&sl->master->bus_mutex);
@@ -65,10 +65,10 @@ static ssize_t w1_f12_write_output(
char *buf, loff_t off, size_t count)
{
struct w1_slave *sl = kobj_to_w1_slave(kobj);
- u8 w1_buf[6]={W1_F12_FUNC_WRITE_STATUS, 7, 0, 0, 0, 0};
- u16 crc=0;
+ u8 w1_buf[6] = {W1_F12_FUNC_WRITE_STATUS, 7, 0, 0, 0, 0};
+ u16 crc = 0;
int i;
- ssize_t rtnval=1;
+ ssize_t rtnval = 1;
if (count != 1 || off != 0)
return -EFAULT;
@@ -83,12 +83,12 @@ static ssize_t w1_f12_write_output(
w1_buf[3] = (((*buf)&3)<<5)|0x1F;
w1_write_block(sl->master, w1_buf, 4);
w1_read_block(sl->master, w1_buf+4, 2);
- for (i=0; i<6; i++)
- crc=crc16_byte(crc, w1_buf[i]);
- if (crc==0xb001) /* good read? */
+ for (i = 0; i < 6; i++)
+ crc = crc16_byte(crc, w1_buf[i]);
+ if (crc == 0xb001) /* good read? */
w1_write_8(sl->master, 0xFF);
else
- rtnval=-EIO;
+ rtnval = -EIO;
mutex_unlock(&sl->master->bus_mutex);
return rtnval;
@@ -133,6 +133,7 @@ static int w1_f12_add_slave(struct w1_slave *sl)
static void w1_f12_remove_slave(struct w1_slave *sl)
{
int i;
+
for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i)
sysfs_remove_bin_file(&sl->dev.kobj,
&(w1_f12_sysfs_bin_files[i]));