iio:buffer: Introduced a function to assign the buffer specific attrs.

		if (block_supported) {

			indio_dev->modes |= INDIO_BUFFER_SOFTWARE;

			indio_dev->info = &bmc150_accel_info_fifo;

			indio_dev->buffer->attrs = bmc150_accel_fifo_attributes;

			iio_buffer_set_attrs(indio_dev->buffer,

					     bmc150_accel_fifo_attributes);

		}

	}

}

EXPORT_SYMBOL(iio_buffer_init);

/**

 * iio_buffer_set_attrs - Set buffer specific attributes

 * @buffer: The buffer for which we are setting attributes

 * @attrs: Pointer to a null terminated list of pointers to attributes

 */

void iio_buffer_set_attrs(struct iio_buffer *buffer,

			 const struct attribute **attrs)

{

	buffer->attrs = attrs;

}

EXPORT_SYMBOL_GPL(iio_buffer_set_attrs);

static ssize_t iio_show_scan_index(struct device *dev,

				   struct device_attribute *attr,

				   char *buf)

struct iio_buffer;

void iio_buffer_set_attrs(struct iio_buffer *buffer,

			 const struct attribute **attrs);

/**

 * INDIO_BUFFER_FLAG_FIXED_WATERMARK - Watermark level of the buffer can not be

 *   configured. It has a fixed value which will be buffer specific.