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iio: adc: mcp320x: Document struct mcp320x

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Signed-off-by: Lukas Wunner <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Lukas Wunner 2017-09-09 20:32:41 +02:00 • committed by Jonathan Cameron
commit 9c84c9101b
1 changed files with 11 additions and 0 deletions
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11
drivers/iio/adc/mcp320x.c
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@ -57,6 +57,17 @@ struct mcp320x_chip_info {
unsigned int resolution;
};
/**
* struct mcp320x - Microchip SPI ADC instance
* @spi: SPI slave (parent of the IIO device)
* @msg: SPI message to select a channel and receive a value from the ADC
* @transfer: SPI transfers used by @msg
* @reg: regulator generating Vref
* @lock: protects read sequences
* @chip_info: ADC properties
* @tx_buf: buffer for @transfer[0] (not used on single-channel converters)
* @rx_buf: buffer for @transfer[1]
*/
struct mcp320x {
struct spi_device *spi;
struct spi_message msg;