+static int sigma_get_register(struct dev_context *devc,
+ uint8_t reg, uint8_t *data)
+{
+ return sigma_read_register(devc, reg, data, sizeof(*data));
+}
+
+static int sigma_get_registers(struct dev_context *devc,
+ uint8_t reg, uint8_t *data, size_t count)
+{
+ uint8_t buf[2 + SIGMA_MAX_REG_COUNT], *wrptr;
+ size_t idx;
+ int ret;
+
+ if (count > SIGMA_MAX_REG_COUNT) {
+ sr_err("Short command buffer for %zu reg reads at %u.", count, reg);
+ return SR_ERR_BUG;
+ }
+
+ wrptr = buf;
+ write_u8_inc(&wrptr, REG_ADDR_LOW | LO4(reg));
+ write_u8_inc(&wrptr, REG_ADDR_HIGH | HI4(reg));
+ for (idx = 0; idx < count; idx++)
+ write_u8_inc(&wrptr, REG_READ_ADDR | REG_ADDR_INC);
+ ret = sigma_write_sr(devc, buf, wrptr - buf);
+ if (ret != SR_OK)
+ return ret;
+
+ return sigma_read_sr(devc, data, count);
+}
+