From: Jan Volckaert <janvolck@gmail.com>
Date: Sun, 27 Aug 2023 17:12:22 +0000 (+0200)
Subject: make chip_select pin optional in SPI four wire
X-Git-Tag: 1.2.1~1^2~3
X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka_Displayio.git/commitdiff_plain/3e217487a005ed9ba2e45e27fa03afc8fff3f424?ds=sidebyside;hp=3e217487a005ed9ba2e45e27fa03afc8fff3f424

make chip_select pin optional in SPI four wire

on Odroid C4 the chip_select is controller by the spi_meson_spicc driver, in case the SPI_CS0 is used as chip_select pin in the FourWire class Resource Busy exceptions are thrown.
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