static int dev_open(struct sr_dev_inst *sdi)
{
struct sr_dev_driver *di = sdi->driver;
- struct drv_context *drvc;
+ struct drv_context *drvc = di->context;;
struct sr_usb_dev_inst *usb;
int ret;
- if (!(drvc = di->context)) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
usb = sdi->conn;
if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
static int dev_close(struct sr_dev_inst *sdi)
{
- struct sr_dev_driver *di = sdi->driver;
struct sr_usb_dev_inst *usb;
- if (!di->context) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
usb = sdi->conn;
if (!usb->devhdl)
static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
- struct sr_dev_driver *di = sdi->driver;
struct dev_context *devc;
int ret;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- if (!di->context) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
devc = sdi->priv;
ret = SR_OK;
switch (key) {
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- if (!di->context) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
drvc = di->context;
devc = sdi->priv;
usb = sdi->conn;
SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
- struct sr_dev_driver *di = sdi->driver;
-
- if (!di->context) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't stop acquisition.");
return SR_ERR;