Ensure clock line is in the idle state before asserting chip select.

diff --git a/src/drivers/bitbash/spi_bit.c b/src/drivers/bitbash/spi_bit.c
index e2175d60337570e8e323d0c6871cec0f178c5a0a..a4e7136f8b5e701e063cd0bba32bc1b9268ab898 100644 (file)
--- a/src/drivers/bitbash/spi_bit.c
+++ b/src/drivers/bitbash/spi_bit.c
@@ -153,6 +153,10 @@ static int spi_bit_rw ( struct spi_bus *bus, struct spi_device *device,
                = container_of ( bus, struct spi_bit_basher, bus );
        uint32_t tmp;
 
+       /* Set clock line to idle state */
+       write_bit ( &spibit->basher, SPI_BIT_SCLK, 
+                   ( bus->mode & SPI_MODE_CPOL ) );
+
        /* Assert chip select on specified slave */
        spi_bit_set_slave_select ( spibit, device->slave, SELECT_SLAVE );