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staging: iio: ad2s1200: Add kernel docs to driver state

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Add missing kernel docs to the ad2s1200 driver state.

Signed-off-by: David Veenstra <davidjulianveenstra@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Veenstra 2018-05-18 20:21:34 +02:00 committed by Jonathan Cameron
parent c1b6a7d72d
commit bc683b47c3
1 changed files with 8 additions and 0 deletions
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8
drivers/staging/iio/resolver/ad2s1200.c
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@ -32,6 +32,14 @@
/* clock period in nano second */
#define AD2S1200_TSCLK (1000000000 / AD2S1200_HZ)
/**
* struct ad2s1200_state - driver instance specific data.
* @lock: protects both the GPIO pins and the rx buffer.
* @sdev: spi device.
* @sample: GPIO pin SAMPLE.
* @rdvel: GPIO pin RDVEL.
* @rx: buffer for spi transfers.
*/
struct ad2s1200_state {
struct mutex lock;
struct spi_device *sdev;