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hwmon: (ads7871) Fix multi-line comments

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Cc: Paul Thomas <pthomas8589@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2012-01-19 11:02:15 -08:00 committed by Guenter Roeck
parent d13d6232de
commit 10775d1899
1 changed files with 17 additions and 9 deletions
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26
drivers/hwmon/ads7871.c
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@ -34,9 +34,11 @@
#define REG_SER_CONTROL 24 /*Serial Interface Control Register*/ #define REG_SER_CONTROL 24 /*Serial Interface Control Register*/
#define REG_ID 31 /*ID Register*/ #define REG_ID 31 /*ID Register*/
/*From figure 17 in the datasheet /*
* These bits get ORed with the address to form * From figure 17 in the datasheet
* the instruction byte */ * These bits get ORed with the address to form
* the instruction byte
*/
/*Instruction Bit masks*/ /*Instruction Bit masks*/
#define INST_MODE_bm (1<<7) #define INST_MODE_bm (1<<7)
#define INST_READ_bm (1<<6) #define INST_READ_bm (1<<6)
@ -105,8 +107,10 @@ static ssize_t show_voltage(struct device *dev,
uint8_t channel, mux_cnv; uint8_t channel, mux_cnv;
channel = attr->index; 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*/ /*MUX_M3_bm forces single ended*/
/*This is also where the gain of the PGA would be set*/ /*This is also where the gain of the PGA would be set*/
ads7871_write_reg8(spi, REG_GAIN_MUX, 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); ret = ads7871_read_reg8(spi, REG_GAIN_MUX);
mux_cnv = ((ret & MUX_CNV_bm)>>MUX_CNV_bv); 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) { while ((i < 2) && mux_cnv) {
i++; i++;
ret = ads7871_read_reg8(spi, REG_GAIN_MUX); 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); ret = ads7871_read_reg8(spi, REG_OSC_CONTROL);
dev_dbg(&spi->dev, "REG_OSC_CONTROL write:%x, read:%x\n", val, ret); 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) { if (val != ret) {
err = -ENODEV; err = -ENODEV;
goto exit; goto exit;