arch/xtensa/src/esp32/esp32_spi.c: When the TX buffer is empty send

something to kick off the SPI clock.
2020-09-04 16:21:50 +01:00 · 2020-09-04 16:21:50 +01:00 · 3560e16ac7
parent 8e8f41faeb
commit 3560e16ac7
1 changed files with 1 additions and 1 deletions
--- a/arch/xtensa/src/esp32/esp32_spi.c
+++ b/arch/xtensa/src/esp32/esp32_spi.c
@ -1052,7 +1052,7 @@ static void esp32_spi_poll_exchange(FAR struct esp32_spi_priv_s *priv,

  for (i = 0 ; i < nwords; i++)
    {
-      uint32_t w_wd = 0;
+      uint32_t w_wd = 0xffff;
      uint32_t r_wd;

      if (txbuffer)