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-rw-r--r--pony_spi.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/pony_spi.c b/pony_spi.c
index 8a0f340..f8faeb3 100644
--- a/pony_spi.c
+++ b/pony_spi.c
@@ -103,6 +103,18 @@ static const struct bitbang_spi_master bitbang_spi_master_pony = {
.half_period = 0,
};
+static int pony_spi_shutdown(void *data)
+{
+ /* Shut down serial port communication */
+ int ret = serialport_shutdown(NULL);
+ if (ret)
+ msg_pdbg("Pony SPI shutdown failed.\n");
+ else
+ msg_pdbg("Pony SPI shutdown completed.\n");
+
+ return ret;
+}
+
int pony_spi_init(void)
{
int i, data_out;
@@ -120,6 +132,11 @@ int pony_spi_init(void)
free(arg);
return 1;
}
+ if (register_shutdown(pony_spi_shutdown, NULL) != 0) {
+ free(arg);
+ serialport_shutdown(NULL);
+ return 1;
+ }
have_device++;
}
free(arg);
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