serprog: add opcode to control the programmer's output drivers
This allowed me to let the clips remain attached on my D946GZIS while
playing with coreboot/serialice.
Corresponding to flashrom svn r1618.
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/serprog.h b/serprog.h
index 8d11772..b54aaea 100644
--- a/serprog.h
+++ b/serprog.h
@@ -22,3 +22,4 @@
#define S_CMD_S_BUSTYPE 0x12 /* Set used bustype(s). */
#define S_CMD_O_SPIOP 0x13 /* Perform SPI operation. */
#define S_CMD_S_SPI_FREQ 0x14 /* Set SPI clock frequency */
+#define S_CMD_S_PIN_STATE 0x15 /* Enable/disable output drivers */