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staging:iio: Clean out unused IIO_SCAN_EL and add IIO_SCAN_NAMED_EL_C 

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jonathan Cameron 2010-05-04 14:43:02 +01:00 committed by Greg Kroah-Hartman
parent 5cba220b0a
commit 1722762cea
1 changed files with 15 additions and 21 deletions
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36
drivers/staging/iio/ring_generic.h
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@ -196,25 +196,6 @@ ssize_t iio_scan_el_store(struct device *dev, struct device_attribute *attr,
**/ **/
ssize_t iio_scan_el_show(struct device *dev, struct device_attribute *attr, ssize_t iio_scan_el_show(struct device *dev, struct device_attribute *attr,
char *buf); char *buf);
/**
* IIO_SCAN_EL - declare and initialize a scan element without control func
* @_name: identifying name. Resulting struct is iio_scan_el_##_name,
* sysfs element, scan_en_##_name.
* @_number: unique id number for the scan element.
* @_bits: number of bits in the scan element result (used in mixed bit
* length devices).
* @_label: indentification variable used by drivers. Often a reg address.
**/
#define IIO_SCAN_EL(_name, _number, _bits, _label) \
struct iio_scan_el iio_scan_el_##_name = { \
.dev_attr = __ATTR(scan_en_##_name, \
S_IRUGO | S_IWUSR, \
iio_scan_el_show, \
iio_scan_el_store), \
.mask = (1 << _number), \
.bit_count = _bits, \
.label = _label, \
}
ssize_t iio_scan_el_ts_store(struct device *dev, struct device_attribute *attr, ssize_t iio_scan_el_ts_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t len); const char *buf, size_t len);
@ -225,7 +206,7 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
* IIO_SCAN_EL_C - declare and initialize a scan element with a control func * IIO_SCAN_EL_C - declare and initialize a scan element with a control func
* *
* @_name: identifying name. Resulting struct is iio_scan_el_##_name, * @_name: identifying name. Resulting struct is iio_scan_el_##_name,
* sysfs element, scan_en_##_name. * sysfs element, _name##_en.
* @_number: unique id number for the scan element. * @_number: unique id number for the scan element.
* @_bits: number of bits in the scan element result (used in mixed bit * @_bits: number of bits in the scan element result (used in mixed bit
* length devices). * length devices).
@ -234,7 +215,7 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
**/ **/
#define IIO_SCAN_EL_C(_name, _number, _bits, _label, _controlfunc) \ #define IIO_SCAN_EL_C(_name, _number, _bits, _label, _controlfunc) \
struct iio_scan_el iio_scan_el_##_name = { \ struct iio_scan_el iio_scan_el_##_name = { \
.dev_attr = __ATTR(scan_en_##_name, \ .dev_attr = __ATTR(_number##_##_name##_en, \
S_IRUGO | S_IWUSR, \ S_IRUGO | S_IWUSR, \
iio_scan_el_show, \ iio_scan_el_show, \
iio_scan_el_store), \ iio_scan_el_store), \
@ -243,6 +224,19 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
.label = _label, \ .label = _label, \
.set_state = _controlfunc, \ .set_state = _controlfunc, \
} }
#define IIO_SCAN_NAMED_EL_C(_name, _string, _number, _bits, _label, _cf) \
struct iio_scan_el iio_scan_el_##_name = { \
.dev_attr = __ATTR(_number##_##_string##_en, \
S_IRUGO | S_IWUSR, \
iio_scan_el_show, \
iio_scan_el_store), \
.number = _number, \
.bit_count = _bits, \
.label = _label, \
.set_state = _cf, \
}
/** /**
* IIO_SCAN_EL_TIMESTAMP - declare a special scan element for timestamps * IIO_SCAN_EL_TIMESTAMP - declare a special scan element for timestamps
* *