drivers: SR_CONF_CAPTURE_RATIO fixes.

[libsigrok.git] / src / hwdriver.c

diff --git a/src/hwdriver.c b/src/hwdriver.c
index 8da425c848a86089ac8bb754f136f682832e8ef3..c81a87a169d0f9e8ef52a1abba87b51c4cb5d63a 100644 (file)
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -690,6 +690,15 @@ static int check_key(const struct sr_dev_driver *driver,
                        return SR_ERR_ARG;
                }
                break;
+       case SR_CONF_CAPTURE_RATIO:
+               /* Capture ratio must always be between 0 and 100. */
+               if (op != SR_CONF_SET || !data)
+                       break;
+               if (g_variant_get_uint64(data) > 100) {
+                       sr_err("Capture ratio must be 0..100.");
+                       return SR_ERR_ARG;
+               }
+               break;
        }
 
        if (sr_config_list(driver, sdi, cg, SR_CONF_DEVICE_OPTIONS, &gvar_opts) != SR_OK) {