diff options
author | Jonathan Cameron <jic23@kernel.org> | 2012-01-29 15:07:00 +0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-09 22:06:04 +0400 |
commit | 15bbb7793ad7f6f106ce09fdfa3956c5aff37cf1 (patch) | |
tree | 3871834c4617d98996be947c816ede8237eb22e8 /drivers/staging/iio/adc/ad7192.c | |
parent | a046c1e866673dd334c31d06312283e2bc5b483b (diff) | |
download | linux-15bbb7793ad7f6f106ce09fdfa3956c5aff37cf1.tar.xz |
staging:iio:adc:ad7192 unwind use of is_visible for attribute group.
It saves a couple of lines of code but reduces simplicity of code.
I generally wish to discourage use of is_visible throughout IIO.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/iio/adc/ad7192.c')
-rw-r--r-- | drivers/staging/iio/adc/ad7192.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 9d251653307c..9fd6d63d2999 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -822,25 +822,20 @@ static struct attribute *ad7192_attributes[] = { NULL }; -static umode_t ad7192_attr_is_visible(struct kobject *kobj, - struct attribute *attr, int n) -{ - struct device *dev = container_of(kobj, struct device, kobj); - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad7192_state *st = iio_priv(indio_dev); - - umode_t mode = attr->mode; - - if ((st->devid != ID_AD7195) && - (attr == &iio_dev_attr_ac_excitation_en.dev_attr.attr)) - mode = 0; - - return mode; -} - static const struct attribute_group ad7192_attribute_group = { .attrs = ad7192_attributes, - .is_visible = ad7192_attr_is_visible, +}; + +static struct attribute *ad7195_attributes[] = { + &iio_dev_attr_sampling_frequency.dev_attr.attr, + &iio_dev_attr_in_v_m_v_scale_available.dev_attr.attr, + &iio_dev_attr_in_voltage_scale_available.dev_attr.attr, + &iio_dev_attr_bridge_switch_en.dev_attr.attr, + NULL +}; + +static const struct attribute_group ad7195_attribute_group = { + .attrs = ad7195_attributes, }; static int ad7192_read_raw(struct iio_dev *indio_dev, @@ -970,6 +965,15 @@ static const struct iio_info ad7192_info = { .driver_module = THIS_MODULE, }; +static const struct iio_info ad7195_info = { + .read_raw = &ad7192_read_raw, + .write_raw = &ad7192_write_raw, + .write_raw_get_fmt = &ad7192_write_raw_get_fmt, + .attrs = &ad7195_attribute_group, + .validate_trigger = ad7192_validate_trigger, + .driver_module = THIS_MODULE, +}; + #define AD7192_CHAN_DIFF(_chan, _chan2, _name, _address, _si) \ { .type = IIO_VOLTAGE, \ .differential = 1, \ @@ -1062,7 +1066,10 @@ static int __devinit ad7192_probe(struct spi_device *spi) indio_dev->channels = ad7192_channels; indio_dev->num_channels = ARRAY_SIZE(ad7192_channels); indio_dev->available_scan_masks = st->available_scan_masks; - indio_dev->info = &ad7192_info; + if (st->devid == ID_AD7195) + indio_dev->info = &ad7195_info; + else + indio_dev->info = &ad7192_info; for (i = 0; i < indio_dev->num_channels; i++) st->available_scan_masks[i] = (1 << i) | (1 << |