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| author |   Lukas Wunner <lukas@wunner.de> | 2017-09-09 20:32:41 +0200 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2017-09-24 12:34:56 +0100 |
| commit | 9c84c9101b9b4604c183f75a43fe7875ecce8bcd (patch) | |
| tree | 0b9a0a7795a51315ec864be2fc9f0a18bb7dee41 /drivers/iio/adc | |
| parent | iio: adc: mcp320x: Drop unnecessary of_device_id attributes (diff) | |
| download | linux-dev-9c84c9101b9b4604c183f75a43fe7875ecce8bcd.tar.xz linux-dev-9c84c9101b9b4604c183f75a43fe7875ecce8bcd.zip | |
iio: adc: mcp320x: Document struct mcp320x
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc')
| -rw-r--r-- | drivers/iio/adc/mcp320x.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c index 40a0cd72e074..a41956eb3379 100644 --- a/drivers/iio/adc/mcp320x.c +++ b/drivers/iio/adc/mcp320x.c @@ -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; |