diff options
| -rw-r--r-- | drivers/hwmon/ads7871.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c index 11a5f5f69071..e65c6e45d36b 100644 --- a/drivers/hwmon/ads7871.c +++ b/drivers/hwmon/ads7871.c @@ -34,9 +34,11 @@ #define REG_SER_CONTROL 24 /*Serial Interface Control Register*/ #define REG_ID 31 /*ID Register*/ -/*From figure 17 in the datasheet -* These bits get ORed with the address to form -* the instruction byte */ +/* + * From figure 17 in the datasheet + * These bits get ORed with the address to form + * the instruction byte + */ /*Instruction Bit masks*/ #define INST_MODE_bm (1<<7) #define INST_READ_bm (1<<6) @@ -105,8 +107,10 @@ static ssize_t show_voltage(struct device *dev, uint8_t channel, mux_cnv; channel = attr->index; - /*TODO: add support for conversions - *other than single ended with a gain of 1*/ + /* + * TODO: add support for conversions + * other than single ended with a gain of 1 + */ /*MUX_M3_bm forces single ended*/ /*This is also where the gain of the PGA would be set*/ ads7871_write_reg8(spi, REG_GAIN_MUX, @@ -114,8 +118,10 @@ static ssize_t show_voltage(struct device *dev, ret = ads7871_read_reg8(spi, REG_GAIN_MUX); mux_cnv = ((ret & MUX_CNV_bm)>>MUX_CNV_bv); - /*on 400MHz arm9 platform the conversion - *is already done when we do this test*/ + /* + * on 400MHz arm9 platform the conversion + * is already done when we do this test + */ while ((i < 2) && mux_cnv) { i++; ret = ads7871_read_reg8(spi, REG_GAIN_MUX); @@ -179,8 +185,10 @@ static int __devinit ads7871_probe(struct spi_device *spi) ret = ads7871_read_reg8(spi, REG_OSC_CONTROL); dev_dbg(&spi->dev, "REG_OSC_CONTROL write:%x, read:%x\n", val, ret); - /*because there is no other error checking on an SPI bus - we need to make sure we really have a chip*/ + /* + * because there is no other error checking on an SPI bus + * we need to make sure we really have a chip + */ if (val != ret) { err = -ENODEV; goto exit; |