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-rw-r--r--include/spi.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h
index ebc9652..3fe2e1e 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -49,10 +49,13 @@
*
* bus: ID of the bus that the slave is attached to.
* cs: ID of the chip select connected to the slave.
+ * max_write_size: If non-zero, the maximum number of bytes which can
+ * be written at once, excluding command bytes.
*/
struct spi_slave {
unsigned int bus;
unsigned int cs;
+ unsigned int max_write_size;
};
/*-----------------------------------------------------------------------