drivers/tcs37727 : Expose to Kconfig

Co-authored-by: Leandro Lanzieri <leandro.lanzieri@haw-hamburg.de>

drivers/Kconfig

@@ -25,6 +25,7 @@ rsource "mag3110/Kconfig"
 rsource "mma8x5x/Kconfig"
 rsource "opt3001/Kconfig"
 rsource "sps30/Kconfig"
+rsource "tcs37727/Kconfig"
 endmenu # Sensor Device Drivers
 
 menu "Storage Device Drivers"

drivers/include/tcs37727.h

@@ -49,7 +49,9 @@ extern "C"
 /**
  * @brief   Default RGBC integration time in microseconds.
  *
- * Refer section "RGBC Time Register" in datasheet for more information.
+ * RGBC integration time impacts both the resolution and the sensitivity of the
+ * RGBC reading. Refer to the section "RGBC Time Register" in the datasheet for
+ * more information.
  */
 #ifndef CONFIG_TCS37727_ATIME_DEFAULT
 #define CONFIG_TCS37727_ATIME_DEFAULT  200000

drivers/tcs37727/Kconfig

@@ -0,0 +1,24 @@
+# Copyright (c) 2020 Freie Universitaet Berlin
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+menuconfig KCONFIG_MODULE_TCS37727
+    bool "Configure TCS37727 driver"
+    depends on MODULE_TCS37727
+    help
+        Configure the TCS37727 driver using Kconfig.
+
+if KCONFIG_MODULE_TCS37727
+
+config TCS37727_ATIME_DEFAULT
+    int "RGBC integration time in microseconds"
+    range 2400 614000
+    default 200000
+    help
+        RGBC integration time impacts both the resolution and the sensitivity
+        of the RGBC reading. Refer to the section "RGBC Time Register" in the
+        datasheet for more information.
+
+endif # KCONFIG_MODULE_TCS37727