staging:iio:dds:ad9834 unwind use of is_visible for attrs.
Trivial usecase in which just having two different attr groups covers all options. Slightly more code, but a simpler to follow result. 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>
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b2c04a34aa
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@ -281,29 +281,27 @@ static struct attribute *ad9834_attributes[] = {
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NULL,
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};
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static umode_t ad9834_attr_is_visible(struct kobject *kobj,
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struct attribute *attr, int n)
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{
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struct device *dev = container_of(kobj, struct device, kobj);
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct ad9834_state *st = iio_priv(indio_dev);
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umode_t mode = attr->mode;
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if (((st->devid == ID_AD9833) || (st->devid == ID_AD9837)) &&
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((attr == &iio_dev_attr_dds0_out1_enable.dev_attr.attr) ||
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(attr == &iio_dev_attr_dds0_out1_wavetype.dev_attr.attr) ||
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(attr ==
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&iio_dev_attr_dds0_out1_wavetype_available.dev_attr.attr) ||
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(attr == &iio_dev_attr_dds0_pincontrol_en.dev_attr.attr)))
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mode = 0;
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return mode;
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}
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static struct attribute *ad9833_attributes[] = {
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&iio_dev_attr_dds0_freq0.dev_attr.attr,
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&iio_dev_attr_dds0_freq1.dev_attr.attr,
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&iio_const_attr_dds0_freq_scale.dev_attr.attr,
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&iio_dev_attr_dds0_phase0.dev_attr.attr,
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&iio_dev_attr_dds0_phase1.dev_attr.attr,
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&iio_const_attr_dds0_phase_scale.dev_attr.attr,
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&iio_dev_attr_dds0_freqsymbol.dev_attr.attr,
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&iio_dev_attr_dds0_phasesymbol.dev_attr.attr,
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&iio_dev_attr_dds0_out_enable.dev_attr.attr,
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&iio_dev_attr_dds0_out0_wavetype.dev_attr.attr,
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&iio_dev_attr_dds0_out0_wavetype_available.dev_attr.attr,
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NULL,
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};
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static const struct attribute_group ad9834_attribute_group = {
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.attrs = ad9834_attributes,
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.is_visible = ad9834_attr_is_visible,
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};
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static const struct attribute_group ad9833_attribute_group = {
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.attrs = ad9833_attributes,
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};
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static const struct iio_info ad9834_info = {
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@ -311,6 +309,11 @@ static const struct iio_info ad9834_info = {
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.driver_module = THIS_MODULE,
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};
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static const struct iio_info ad9833_info = {
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.attrs = &ad9833_attribute_group,
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.driver_module = THIS_MODULE,
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};
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static int __devinit ad9834_probe(struct spi_device *spi)
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{
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struct ad9834_platform_data *pdata = spi->dev.platform_data;
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@ -344,7 +347,15 @@ static int __devinit ad9834_probe(struct spi_device *spi)
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st->reg = reg;
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indio_dev->dev.parent = &spi->dev;
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indio_dev->name = spi_get_device_id(spi)->name;
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switch (st->devid) {
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case ID_AD9833:
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case ID_AD9837:
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indio_dev->info = &ad9833_info;
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break;
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default:
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indio_dev->info = &ad9834_info;
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break;
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}
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indio_dev->modes = INDIO_DIRECT_MODE;
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/* Setup default messages */
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