How to set Current register in IIO driver from sysfs

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Hi,

I am trying to add support of adjusting IR led current in vcnl4000
driver (has IR led current register for doing the same).

Below is what I have done till now:

1) Added Current channel in the vcnl4000_channels structure with
separate mask IIO_CHAN_INFO_RAW
2) Reading the LED current register inside IIO_CURRENT case in vcnl4010_read_raw
3) Writing to LED current register inside IIO_CURRENT case in vcnl4010_write_raw

Is this the correct way of setting Current register in IIO subsystem?

Best Regards,
Pratik Prajapati
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