device: Make some parameters const.

[libsigrok.git] / hwplugin.c

diff --git a/hwplugin.c b/hwplugin.c
index 33ff79d92779bbefa768541eb0f70b0ca533104f..cd8fad13e9cbfde819a56da97bb2204f9eafec8d 100644 (file)
--- a/hwplugin.c
+++ b/hwplugin.c
@@ -39,6 +39,7 @@ struct sr_hwcap_option sr_hwcap_options[] = {
        {SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"},
        {SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"},
        {SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "patternmode"},
+       {SR_HWCAP_RLE, SR_T_BOOL, "Run Length Encoding", "rle"},
        {0, 0, NULL, NULL},
 };
 
@@ -114,7 +115,8 @@ int sr_init_hwplugins(struct sr_device_plugin *plugin)
        g_message("initializing %s plugin", plugin->name);
        num_devices = plugin->init(NULL);
        for (i = 0; i < num_devices; i++) {
-               num_probes = (int)plugin->get_device_info(i, SR_DI_NUM_PROBES);
+               num_probes = GPOINTER_TO_INT(
+                               plugin->get_device_info(i, SR_DI_NUM_PROBES));
                sr_device_new(plugin, i, num_probes);
        }
 
@@ -216,7 +218,7 @@ struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus,
 void sr_usb_device_instance_free(struct sr_usb_device_instance *usb)
 {
        /* Avoid compiler warnings. */
-       usb = usb;
+       (void)usb;
 
        /* Nothing to do for this device instance type. */
 }