include/linux/iio/timer/stm32-lptim-trigger.h

   1 /*
   2  * Copyright (C) STMicroelectronics 2017
   3  *
   4  * Author: Fabrice Gasnier <fabrice.gasnier@st.com>
   5  *
   6  * License terms:  GNU General Public License (GPL), version 2
   7  */
   8
   9 #ifndef _STM32_LPTIM_TRIGGER_H_
  10 #define _STM32_LPTIM_TRIGGER_H_
  11
  12 #include <linux/iio/iio.h>
  13 #include <linux/iio/trigger.h>
  14
  15 #define LPTIM1_OUT      "lptim1_out"
  16 #define LPTIM2_OUT      "lptim2_out"
  17 #define LPTIM3_OUT      "lptim3_out"
  18
  19 #if IS_REACHABLE(CONFIG_IIO_STM32_LPTIMER_TRIGGER)
  20 bool is_stm32_lptim_trigger(struct iio_trigger *trig);
  21 #else
  22 static inline bool is_stm32_lptim_trigger(struct iio_trigger *trig)
  23 {
  24 #if IS_ENABLED(CONFIG_IIO_STM32_LPTIMER_TRIGGER)
  25         pr_warn_once("stm32 lptim_trigger not linked in\n");
  26 #endif
  27         return false;
  28 }
  29 #endif
  30 #endif