From 5e19d4e536a09a401170cbc8249d7b6c37f0e2f8 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Fri, 21 Aug 2015 10:00:02 +1000
Subject: [PATCH] Print feature names as we're initializing them

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 src/driver-logitech-unifying.c |  4 +++-
 src/hidpp20.c                  | 24 ++++++++++++++++++++++++
 src/hidpp20.h                  |  2 ++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/driver-logitech-unifying.c b/src/driver-logitech-unifying.c
index d812ed88..256adfe4 100644
--- a/src/driver-logitech-unifying.c
+++ b/src/driver-logitech-unifying.c
@@ -177,7 +177,9 @@ unifying_20_probe(struct ratbag_device *device, const struct ratbag_id id)
 	if (rc > 0) {
 		log_debug(device->ratbag, "'%s' has %d features\n", ratbag_device_get_name(device), rc);
 		for (i = 0; i < rc; i++) {
-			log_debug(device->ratbag, "Init feature 0x%04x\n", feature_list[i].feature);
+			log_debug(device->ratbag, "Init feature %s (0x%04x) \n",
+				  hidpp20_feature_get_name(feature_list[i].feature),
+				  feature_list[i].feature);
 			unifying_init_feature(device, feature_list[i].feature);
 		}
 	}
diff --git a/src/hidpp20.c b/src/hidpp20.c
index a5cfe35d..cfdb0ac7 100644
--- a/src/hidpp20.c
+++ b/src/hidpp20.c
@@ -40,6 +40,30 @@
 #include "libratbag-util.h"
 #include "libratbag-private.h"
 
+const char*
+hidpp20_feature_get_name(uint16_t feature)
+{
+	static char numeric[8];
+	const char *str;
+#define CASE_RETURN_STRING(a) case a: return #a; break
+
+	switch(feature)
+	{
+	CASE_RETURN_STRING(HIDPP_PAGE_ROOT);
+	CASE_RETURN_STRING(HIDPP_PAGE_FEATURE_SET);
+	CASE_RETURN_STRING(HIDPP_PAGE_MOUSE_POINTER_BASIC);
+	CASE_RETURN_STRING(HIDPP_PAGE_ADJUSTABLE_DPI);
+	CASE_RETURN_STRING(HIDPP_PAGE_SPECIAL_KEYS_BUTTONS);
+	default:
+		sprintf(numeric, "%#4x", feature);
+		str = numeric;
+		break;
+	}
+
+#undef CASE_RETURN_STRING
+	return str;
+}
+
 static int
 hidpp20_write_command(struct ratbag_device *device, uint8_t *cmd, int size)
 {
diff --git a/src/hidpp20.h b/src/hidpp20.h
index e5d3021f..fab05b7c 100644
--- a/src/hidpp20.h
+++ b/src/hidpp20.h
@@ -48,6 +48,8 @@ union hidpp20_message {
 
 int hidpp20_request_command(struct ratbag_device *device, union hidpp20_message *msg);
 
+const char *hidpp20_feature_get_name(uint16_t feature);
+
 /* -------------------------------------------------------------------------- */
 /* 0x0000: Root                                                               */
 /* -------------------------------------------------------------------------- */