X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fsession_driver.c;h=91c05404316620fbeae853ba983893922b2d160c;hb=41812aca436805b0614f2a8f31cf2f8ce494aea0;hp=6a320aa5b3d17908dc401fa75bea5bd1ec0d3853;hpb=584560f142e1b17b9f4ef9069bd3724f2f77e750;p=libsigrok.git

diff --git a/src/session_driver.c b/src/session_driver.c
index 6a320aa5..91c05404 100644
--- a/src/session_driver.c
+++ b/src/session_driver.c
@@ -34,7 +34,6 @@
 /** @endcond */
 
 SR_PRIV struct sr_dev_driver session_driver_info;
-static struct sr_dev_driver *di = &session_driver_info;
 
 struct session_vdev {
 	char *sessionfile;
@@ -49,10 +48,10 @@ struct session_vdev {
 	gboolean finished;
 };
 
-static const uint32_t hwcaps[] = {
-	SR_CONF_CAPTUREFILE,
-	SR_CONF_CAPTURE_UNITSIZE,
-	SR_CONF_SAMPLERATE,
+static const uint32_t devopts[] = {
+	SR_CONF_CAPTUREFILE | SR_CONF_SET,
+	SR_CONF_CAPTURE_UNITSIZE | SR_CONF_GET | SR_CONF_SET,
+	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET,
 };
 
 static int receive_data(int fd, int revents, void *cb_data)
@@ -118,10 +117,7 @@ static int receive_data(int fd, int revents, void *cb_data)
 			}
 		}
 
-		if (!(buf = g_try_malloc(CHUNKSIZE))) {
-			sr_err("%s: buf malloc failed", __func__);
-			return FALSE;
-		}
+		buf = g_malloc(CHUNKSIZE);
 
 		ret = zip_fread(vdev->capfile, buf,
 				CHUNKSIZE / vdev->unitsize * vdev->unitsize);
@@ -165,17 +161,17 @@ static int receive_data(int fd, int revents, void *cb_data)
 
 /* driver callbacks */
 
-static int init(struct sr_context *sr_ctx)
+static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
 {
 	return std_init(sr_ctx, di, LOG_PREFIX);
 }
 
-static int dev_clear(void)
+static int dev_clear(const struct sr_dev_driver *di)
 {
 	struct drv_context *drvc;
 	GSList *l;
 
-	drvc = di->priv;
+	drvc = di->context;
 	for (l = drvc->instances; l; l = l->next)
 		sr_dev_inst_free(l->data);
 	g_slist_free(drvc->instances);
@@ -186,10 +182,12 @@ static int dev_clear(void)
 
 static int dev_open(struct sr_dev_inst *sdi)
 {
+	struct sr_dev_driver *di;
 	struct drv_context *drvc;
 	struct session_vdev *vdev;
 
-	drvc = di->priv;
+	di = sdi->driver;
+	drvc = di->context;
 	vdev = g_malloc0(sizeof(struct session_vdev));
 	sdi->priv = vdev;
 	drvc->instances = g_slist_append(drvc->instances, sdi);
@@ -216,13 +214,17 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 
 	(void)cg;
 
+	if (!sdi)
+		return SR_ERR;
+
+	vdev = sdi->priv;
+
 	switch (key) {
 	case SR_CONF_SAMPLERATE:
-		if (sdi) {
-			vdev = sdi->priv;
-			*data = g_variant_new_uint64(vdev->samplerate);
-		} else
-			return SR_ERR;
+		*data = g_variant_new_uint64(vdev->samplerate);
+		break;
+	case SR_CONF_CAPTURE_UNITSIZE:
+		*data = g_variant_new_uint64(vdev->unitsize);
 		break;
 	default:
 		return SR_ERR_NA;
@@ -277,7 +279,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 	switch (key) {
 	case SR_CONF_DEVICE_OPTIONS:
 		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-				hwcaps, ARRAY_SIZE(hwcaps), sizeof(uint32_t));
+				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
 		break;
 	default:
 		return SR_ERR_NA;
@@ -333,5 +335,5 @@ SR_PRIV struct sr_dev_driver session_driver = {
 	.dev_close = dev_close,
 	.dev_acquisition_start = dev_acquisition_start,
 	.dev_acquisition_stop = NULL,
-	.priv = NULL,
+	.context = NULL,
 };