tools/counter: add direction change event to watcher

Add support for the new COUNTER_EVENT_DIRECTION_CHANGE to the
counter_watch_events tool.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20250110-counter-ti-eqep-add-direction-support-v2-3-c6b6f96d2db9@baylibre.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>

diff --git a/tools/counter/counter_watch_events.c b/tools/counter/counter_watch_events.c
index 107631e0f2e315ae66f2150c0e7c1e1bc9a026fc..15e21b0c5ffd71f87c0fbe473e55598c1fb41ff3 100644 (file)
--- a/tools/counter/counter_watch_events.c
+++ b/tools/counter/counter_watch_events.c
@@ -38,6 +38,7 @@ static const char * const counter_event_type_name[] = {
        "COUNTER_EVENT_INDEX",
        "COUNTER_EVENT_CHANGE_OF_STATE",
        "COUNTER_EVENT_CAPTURE",
+       "COUNTER_EVENT_DIRECTION_CHANGE",
 };
 
 static const char * const counter_component_type_name[] = {
@@ -118,6 +119,7 @@ static void print_usage(void)
                "  evt_index                  (COUNTER_EVENT_INDEX)\n"
                "  evt_change_of_state        (COUNTER_EVENT_CHANGE_OF_STATE)\n"
                "  evt_capture                (COUNTER_EVENT_CAPTURE)\n"
+               "  evt_direction_change       (COUNTER_EVENT_DIRECTION_CHANGE)\n"
                "\n"
                "  chan=<n>                   channel <n> for this watch [default: 0]\n"
                "  id=<n>                     component id <n> for this watch [default: 0]\n"
@@ -157,6 +159,7 @@ enum {
        WATCH_EVENT_INDEX,
        WATCH_EVENT_CHANGE_OF_STATE,
        WATCH_EVENT_CAPTURE,
+       WATCH_EVENT_DIRECTION_CHANGE,
        WATCH_CHANNEL,
        WATCH_ID,
        WATCH_PARENT,
@@ -183,6 +186,7 @@ static char * const counter_watch_subopts[WATCH_SUBOPTS_MAX + 1] = {
        [WATCH_EVENT_INDEX] = "evt_index",
        [WATCH_EVENT_CHANGE_OF_STATE] = "evt_change_of_state",
        [WATCH_EVENT_CAPTURE] = "evt_capture",
+       [WATCH_EVENT_DIRECTION_CHANGE] = "evt_direction_change",
        /* channel, id, parent */
        [WATCH_CHANNEL] = "chan",
        [WATCH_ID] = "id",
@@ -278,6 +282,7 @@ int main(int argc, char **argv)
                                case WATCH_EVENT_INDEX:
                                case WATCH_EVENT_CHANGE_OF_STATE:
                                case WATCH_EVENT_CAPTURE:
+                               case WATCH_EVENT_DIRECTION_CHANGE:
                                        /* match counter_event_type: subtract enum value */
                                        ret -= WATCH_EVENT_OVERFLOW;
                                        watches[i].event = ret;