Use common usb_source_add and usb_source_remove functions.

[libsigrok.git] / hardware / kecheng-kc-330b / api.c

diff --git a/hardware/kecheng-kc-330b/api.c b/hardware/kecheng-kc-330b/api.c
index 9355e6dcce922b62b75f46db919a691095ef3103..d9e647d12f682818dda54d23133db5de601cdb9e 100644 (file)
--- a/hardware/kecheng-kc-330b/api.c
+++ b/hardware/kecheng-kc-330b/api.c
@@ -432,9 +432,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
        struct sr_config *src;
        struct sr_usb_dev_inst *usb;
        GVariant *gvar, *rational[2];
-       const struct libusb_pollfd **pfd;
        const uint64_t *si;
-       int stored_mqflags, req_len, buf_len, len, ret, i;
+       int stored_mqflags, req_len, buf_len, len, ret;
        unsigned char buf[9];
 
        if (sdi->status != SR_ST_ACTIVE)
@@ -494,15 +493,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
        if (!(devc->xfer = libusb_alloc_transfer(0)))
                return SR_ERR;
 
-       pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
-       for (i = 0; pfd[i]; i++) {
-               /* Handle USB events every 10ms. */
-               sr_source_add(pfd[i]->fd, pfd[i]->events, 10,
-                               kecheng_kc_330b_handle_events, (void *)sdi);
-               /* We'll need to remove this fd later. */
-               devc->usbfd[i] = pfd[i]->fd;
-       }
-       devc->usbfd[i] = -1;
+       usb_source_add(drvc->sr_ctx, 10,
+               kecheng_kc_330b_handle_events, (void *)sdi);
 
        if (devc->data_source == DATA_SOURCE_LIVE) {
                buf[0] = CMD_GET_LIVE_SPL;