diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-21 10:37:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-21 10:37:25 -0700 |
| commit | 31f6765266417c0d99f0e922fe82848a7c9c2ae9 (patch) | |
| tree | 2d5914dac0a918baad37decd3845b8c206051420 /drivers/hwmon/ads7871.c | |
| parent | d15d76448bb58c7832e954b6a8f1e301720b7866 (diff) | |
| parent | 312869ec935ab3bb67b7ba641a7d11230555aff5 (diff) | |
Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon changes for v3.4 from Guenter Roeck:
"Mostly cleanup. No new drivers this time around, but support for
several chips added to existing drivers: TPS40400, TPS40422, MTD040,
MAX34446, ZL9101M, ZL9117M, and LM96080. Also, added watchdog support
for SCH56xx, and additional attributes for a couple of drivers."
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (137 commits)
hwmon: (sch56xx) Add support for the integrated watchdog (v2)
hwmon: (w83627ehf) Add support for temperature offset registers
hwmon: (jc42) Remove unnecessary device IDs
hwmon: (zl6100) Add support for ZL9101M and ZL9117M
hwmon: (adm1275) Add support for ADM1075
hwmon: (max34440) Add support for MAX34446
hwmon: (pmbus) Add more virtual registers
hwmon: (pmbus) Add support for Lineage Power MDT040
hwmon: (pmbus) Add support for TI TPS40400 and TPS40422
hwmon: (max34440) Add support for 'lowest' output voltage attribute
hwmon: (jc42) Convert to use devm_kzalloc
hwmon: (max16065) Convert to use devm_kzalloc
hwmon: (smm665) Convert to use devm_kzalloc
hwmon: (ltc4261) Convert to use devm_kzalloc
hwmon: (pmbus) Simplify remove functions
hwmon: (pmbus) Convert pmbus drivers to use devm_kzalloc
hwmon: (lineage-pem) Convert to use devm_kzalloc
hwmon: (hwmon-vid) Fix checkpatch issues
hwmon: (hwmon-vid) Add new entries to VRM model table
hwmon: (lm80) Add detection of NatSemi/TI LM96080
...
Diffstat (limited to 'drivers/hwmon/ads7871.c')
| -rw-r--r-- | drivers/hwmon/ads7871.c | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c index 04450f8bf5da..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; @@ -234,18 +242,7 @@ static struct spi_driver ads7871_driver = { .remove = __devexit_p(ads7871_remove), }; -static int __init ads7871_init(void) -{ - return spi_register_driver(&ads7871_driver); -} - -static void __exit ads7871_exit(void) -{ - spi_unregister_driver(&ads7871_driver); -} - -module_init(ads7871_init); -module_exit(ads7871_exit); +module_spi_driver(ads7871_driver); MODULE_AUTHOR("Paul Thomas <pthomas8589@gmail.com>"); MODULE_DESCRIPTION("TI ADS7871 A/D driver"); |
