From 837b08660a2ffaef0d2e47ef9555bd3af3f4874f Mon Sep 17 00:00:00 2001
From: Martin Ling <martin-git@earth.li>
Date: Thu, 19 Mar 2015 21:41:51 +0000
Subject: [PATCH] Add sdi pointer to struct sr_channel.

---
 include/libsigrok/libsigrok.h | 2 ++
 src/device.c                  | 1 +
 2 files changed, 3 insertions(+)

diff --git a/include/libsigrok/libsigrok.h b/include/libsigrok/libsigrok.h
index 662e986e..0ea67af6 100644
--- a/include/libsigrok/libsigrok.h
+++ b/include/libsigrok/libsigrok.h
@@ -531,6 +531,8 @@ enum sr_channeltype {
 
 /** Information on single channel. */
 struct sr_channel {
+	/** The device this channel is attached to. */
+	struct sr_dev_inst *sdi;
 	/** The index of this channel, starting at 0. Logic channels will
 	 * be encoded according to this index in SR_DF_LOGIC packets. */
 	int index;
diff --git a/src/device.c b/src/device.c
index 1c84a7df..78835d4c 100644
--- a/src/device.c
+++ b/src/device.c
@@ -57,6 +57,7 @@ SR_PRIV struct sr_channel *sr_channel_new(struct sr_dev_inst *sdi,
 	struct sr_channel *ch;
 
 	ch = g_malloc0(sizeof(struct sr_channel));
+	ch->sdi = sdi;
 	ch->index = index;
 	ch->type = type;
 	ch->enabled = enabled;