From b475f80b354a1915fda1b34070d712b825b60543 Mon Sep 17 00:00:00 2001
From: Peter Rosin <peda@axentia.se>
Date: Tue, 8 Nov 2016 12:58:58 +0100
Subject: iio: envelope-detector: ADC driver based on a DAC and a comparator

The DAC is used to find the peak level of an alternating voltage input
signal by a binary search using the output of a comparator wired to
an interrupt pin. Like so:
                          _
                         | \
    input +------>-------|+ \
                         |   \
           .-------.     |    }---.
           |       |     |   /    |
           |    dac|-->--|- /     |
           |       |     |_/      |
           |       |              |
           |       |              |
           |    irq|------<-------'
           |       |
           '-------'

Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---
 MAINTAINERS | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'MAINTAINERS')

diff --git a/MAINTAINERS b/MAINTAINERS
index 76c3124fd62f..0393f1f1bee7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6131,7 +6131,9 @@ IIO ENVELOPE DETECTOR
 M:	Peter Rosin <peda@axentia.se>
 L:	linux-iio@vger.kernel.org
 S:	Maintained
+F:	Documentation/ABI/testing/sysfs-bus-iio-adc-envelope-detector
 F:	Documentation/devicetree/bindings/iio/adc/envelope-detector.txt
+F:	drivers/iio/adc/envelope-detector.c
 
 IIO SUBSYSTEM AND DRIVERS
 M:	Jonathan Cameron <jic23@kernel.org>
-- 
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