> Next, I'll try to disable CS manual mode in drivers/spi/spi-sun4i.c and test
> - still with nothing but the resistor connected. Let's see...
I've done that and it changed nothing wrt SCLK. Good to know...
diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
index c5cd635..3e9e7b6 100644
--- a/drivers/spi/spi-sun4i.c
+++ b/drivers/spi/spi-sun4i.c
@@ -174,8 +174,9 @@ static void sun4i_spi_set_cs(struct spi_device *spi, bool
enable)
reg |= SUN4I_CTL_CS(spi->chip_select);
/* We want to control the chip select manually */
- reg |= SUN4I_CTL_CS_MANUAL;
+ /* reg |= SUN4I_CTL_CS_MANUAL; */
+#if 0
if (enable)
reg |= SUN4I_CTL_CS_LEVEL;
else
@@ -196,6 +197,7 @@ static void sun4i_spi_set_cs(struct spi_device *spi, bool
enable)
reg &= ~SUN4I_CTL_CS_ACTIVE_LOW;
else
reg |= SUN4I_CTL_CS_ACTIVE_LOW;
+#endif
sun4i_spi_write(sspi, SUN4I_CTL_REG, reg);
}
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