staging:iio:ad7291: Remove userspace reset
There is no reason why userspace should want to trigger a manual reset of the device, so remove this functionality. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -127,29 +127,6 @@ static int ad7291_i2c_write(struct ad7291_chip_info *chip, u8 reg, u16 data)
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return i2c_smbus_write_word_data(chip->client, reg, swab16(data));
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}
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static ssize_t ad7291_store_reset(struct device *dev,
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struct device_attribute *attr,
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const char *buf,
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size_t len)
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{
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struct iio_dev *indio_dev = dev_to_iio_dev(dev);
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struct ad7291_chip_info *chip = iio_priv(indio_dev);
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return ad7291_i2c_write(chip, AD7291_COMMAND,
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chip->command | AD7291_RESET);
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}
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static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, ad7291_store_reset, 0);
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static struct attribute *ad7291_attributes[] = {
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&iio_dev_attr_reset.dev_attr.attr,
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NULL,
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};
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static const struct attribute_group ad7291_attribute_group = {
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.attrs = ad7291_attributes,
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};
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static irqreturn_t ad7291_event_handler(int irq, void *private)
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{
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struct iio_dev *indio_dev = private;
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@ -569,7 +546,6 @@ static struct attribute_group ad7291_event_attribute_group = {
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};
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static const struct iio_info ad7291_info = {
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.attrs = &ad7291_attribute_group,
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.read_raw = &ad7291_read_raw,
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.read_event_config = &ad7291_read_event_config,
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.write_event_config = &ad7291_write_event_config,
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