sm_io/*/fmc_active_clk/*: fix missing RETVAL information on si57x freq

This was causing a segfault when reading the frequency

sm_io//fmc_active_clk/: fix missing RETVAL information on si57x freq
This was causing a segfault when reading the frequency
c29f4bed · Lucas Russo · 0ba8e9e2 · c29f4bed
Commit c29f4bed authored Apr 27, 2016 by Lucas Russo
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sm_io_fmc_active_clk_exports.c ..._io/modules/fmc_active_clk/sm_io_fmc_active_clk_exports.c +1 -1

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--- a/src/sm_io/modules/fmc_active_clk/sm_io_fmc_active_clk_exports.c
+++ b/src/sm_io/modules/fmc_active_clk/sm_io_fmc_active_clk_exports.c
@@ -181,7 +181,7 @@ disp_op_t fmc_active_clk_ad9510_pll_clk_sel_exp = {
 disp_op_t fmc_active_clk_si571_freq_exp = {
    .name = FMC_ACTIVE_CLK_NAME_SI571_FREQ,
    .opcode = FMC_ACTIVE_CLK_OPCODE_SI571_FREQ,
-    .retval = DISP_ARG_END,
+    .retval = DISP_ARG_ENCODE(DISP_ATYPE_DOUBLE, double),
    .retval_owner = DISP_OWNER_OTHER,
    .args = {
        DISP_ARG_ENCODE(DISP_ATYPE_UINT32, uint32_t),