probe names: Fix cosmetics, add docs, fix off-by-one.

[libsigrok.git] / hardware / alsa / alsa.c

diff --git a/hardware/alsa/alsa.c b/hardware/alsa/alsa.c
index d61246e4388721bc95b535cef0759752dd90c59d..527a7e5de49fa992521e61360e403475379f2b78 100644 (file)
--- a/hardware/alsa/alsa.c
+++ b/hardware/alsa/alsa.c
@@ -22,9 +22,9 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
-#include <sigrok.h>
-#include <sigrok-internal.h>
 #include <alsa/asoundlib.h>
+#include "sigrok.h"
+#include "sigrok-internal.h"
 
 #define NUM_PROBES 2
 #define SAMPLE_WIDTH 16
@@ -36,6 +36,12 @@ static int capabilities[] = {
        SR_HWCAP_CONTINUOUS,
 };
 
+static const char *probe_names[NUM_PROBES + 1] = {
+       "0",
+       "1",
+       NULL,
+};
+
 static GSList *device_instances = NULL;
 
 struct alsa {
@@ -160,6 +166,9 @@ static void *hw_get_device_info(int device_index, int device_info_id)
        case SR_DI_NUM_PROBES:
                info = GINT_TO_POINTER(NUM_PROBES);
                break;
+       case SR_DI_PROBE_NAMES:
+               info = probe_names;
+               break;
        case SR_DI_CUR_SAMPLERATE:
                info = &alsa->cur_rate;
                break;