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

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something to kick off the SPI clock.
This commit is contained in:
Ouss4
2020-09-04 16:21:50 +01:00
committed by Alan Carvalho de Assis
parent 8e8f41faeb
commit 3560e16ac7
1 changed files with 1 additions and 1 deletions
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arch/xtensa/src/esp32/esp32_spi.c
+1 -1
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@@ -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)