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path: root/drivers/ds1722.c
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Diffstat (limited to 'drivers/ds1722.c')
-rw-r--r--drivers/ds1722.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/ds1722.c b/drivers/ds1722.c
index 34eb80c..227d816 100644
--- a/drivers/ds1722.c
+++ b/drivers/ds1722.c
@@ -18,24 +18,24 @@ static void ds1722_select(int dev)
u8 ds1722_read(int dev, int addr)
{
u8 res;
-
+
ds1722_select(dev);
-
- ssi_tx_byte(addr);
- res = ssi_rx_byte();
-
+
+ ssi_tx_byte(addr);
+ res = ssi_rx_byte();
+
ssi_chip_select(0);
-
+
return res;
}
void ds1722_write(int dev, int addr, u8 data)
{
ds1722_select(dev);
-
- ssi_tx_byte(0x80|addr);
- ssi_tx_byte(data);
-
+
+ ssi_tx_byte(0x80|addr);
+ ssi_tx_byte(data);
+
ssi_chip_select(0);
}
@@ -43,26 +43,26 @@ void ds1722_write(int dev, int addr, u8 data)
u16 ds1722_temp(int dev, int resolution)
{
static int useconds[] = {
- 75000, 150000, 300000, 600000, 1200000
+ 75000, 150000, 300000, 600000, 1200000
};
char temp;
u16 res;
-
-
+
+
/* set up the desired resulotion ... */
ds1722_write(dev, 0, 0xe0 | (resolution << 1));
-
+
/* wait while the chip measures the tremperature */
- udelay(useconds[resolution]);
-
+ udelay(useconds[resolution]);
+
res = (temp = ds1722_read(dev, 2)) << 8;
-
- if (temp < 0) {
+
+ if (temp < 0) {
temp = (16 - (ds1722_read(dev, 1) >> 4)) & 0x0f;
} else {
temp = (ds1722_read(dev, 1) >> 4);
}
-
+
switch (temp) {
case 0:
/* .0000 */
@@ -129,7 +129,7 @@ u16 ds1722_temp(int dev, int resolution)
break;
}
return res;
-
+
}
int ds1722_probe(int dev)