Custom Kernel Module: How may I access my ADC (mcp3208) via SPI within my custom driver?

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Custom Kernel Module: How may I access my ADC (mcp3208) via SPI within my custom driver?

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03-21-2018, 01:04 PM	#1
d3adwood LQ Newbie Registered: Mar 2018 Posts: 1 Rep:	Custom Kernel Module: How may I access my ADC (mcp3208) via SPI within my custom driver? I've created my own dts to map the mcp320x protocol driver to iio device. I have already access and can read the values from userspace. But I need access within my linux controller driver(within kernel space). Which linux kernel API and functions should I use to claim a ref* ? Thanks in advanced!

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