From 3fc23b446584995609bfb1dd09564c0e3e2229ec Mon Sep 17 00:00:00 2001
From: Oron Peled <oron.peled@xorcom.com>
Date: Wed, 26 Oct 2011 19:08:33 +0000
Subject: [PATCH] added 'basechan' and 'channels' attributes to spans

 * So we can:
   - Generate 'pinned-spans.conf' from existing state
   - Run dahdi_cfg from udev (on specific span + its channels)

Signed-off-by: Oron Peled <oron.peled@xorcom.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10286 a0bf4364-ded3-4de4-8d8a-66a801d63aff
---
 drivers/dahdi/dahdi-sysfs.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/dahdi/dahdi-sysfs.c b/drivers/dahdi/dahdi-sysfs.c
index 5dcd6b8..5dbd539 100644
--- a/drivers/dahdi/dahdi-sysfs.c
+++ b/drivers/dahdi/dahdi-sysfs.c
@@ -246,6 +246,22 @@ static BUS_ATTR_READER(is_sync_master_show, dev, buf)
 	return sprintf(buf, "%d\n", dahdi_is_sync_master(span));
 }
 
+static BUS_ATTR_READER(basechan_show, dev, buf)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	return sprintf(buf, "%d\n", span->chans[0]->channo);
+}
+
+static BUS_ATTR_READER(channels_show, dev, buf)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	return sprintf(buf, "%d\n", span->channels);
+}
+
 static struct device_attribute span_dev_attrs[] = {
 	__ATTR_RO(name),
 	__ATTR_RO(desc),
@@ -256,6 +272,8 @@ static struct device_attribute span_dev_attrs[] = {
 	__ATTR_RO(syncsrc),
 	__ATTR_RO(is_digital),
 	__ATTR_RO(is_sync_master),
+	__ATTR_RO(basechan),
+	__ATTR_RO(channels),
 	__ATTR_NULL,
 };