Add support for SR_CONF_MAX_UNCOMPRESSED_SAMPLES.

diff --git a/hardware/openbench-logic-sniffer/api.c b/hardware/openbench-logic-sniffer/api.c
index 6ebd73ebaccdb14c6cadcdb4e86837dbf1977425..0191d08bc1d22b7967957325fb9edf338a79ba6e 100644 (file)
--- a/hardware/openbench-logic-sniffer/api.c
+++ b/hardware/openbench-logic-sniffer/api.c
@@ -37,6 +37,7 @@ static const int32_t hwcaps[] = {
        SR_CONF_PATTERN_MODE,
        SR_CONF_SWAP,
        SR_CONF_RLE,
+       SR_CONF_MAX_UNCOMPRESSED_SAMPLES,
 };
 
 #define STR_PATTERN_EXTERNAL "external"
@@ -219,6 +220,7 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
                const struct sr_probe_group *probe_group)
 {
        struct dev_context *devc;
+       int num_channels, i;
 
        (void)probe_group;
 
@@ -245,6 +247,24 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
        case SR_CONF_RLE:
                *data = g_variant_new_boolean(devc->flag_reg & FLAG_RLE ? TRUE : FALSE);
                break;
+       case SR_CONF_MAX_UNCOMPRESSED_SAMPLES:
+               if (devc->flag_reg & FLAG_RLE)
+                       return SR_ERR_NA;
+               if (devc->max_samples == 0)
+                       /* Device didn't specify sample memory size in metadata. */
+                       return SR_ERR_NA;
+               /*
+                * Channel groups are turned off if no probes in that group are
+                * enabled, making more room for samples for the enabled group.
+                */
+               ols_configure_probes(sdi);
+               num_channels = 0;
+               for (i = 0; i < 4; i++) {
+                       if (devc->probe_mask & (0xff << (i * 8)))
+                               num_channels++;
+               }
+               *data = g_variant_new_uint64(devc->max_samples / num_channels);
+               break;
        default:
                return SR_ERR_NA;
        }