Use writebytes as fallback if we have an older spidev

[hackapet/Adafruit_Blinka.git] / src / adafruit_blinka / microcontroller / generic_linux / spi.py

diff --git a/src/adafruit_blinka/microcontroller/generic_linux/spi.py b/src/adafruit_blinka/microcontroller/generic_linux/spi.py
index 5e1bc410423ca8be696e40b01d8a0d96055eebcd..51bace1c4b9d13ebdaff343d26d4d80f1e776935 100755 (executable)
--- a/src/adafruit_blinka/microcontroller/generic_linux/spi.py
+++ b/src/adafruit_blinka/microcontroller/generic_linux/spi.py
@@ -35,7 +35,8 @@ class SPI:
     def set_no_cs(self):
         # Linux SPI driver for AM33XX chip in BeagleBone and PocketBeagle
         # does not support setting SPI_NO_CS mode bit (issue #104)
-        if not self.chip.AM33XX:
+        if not self.chip.AM33XX and not self.chip.IMX8MX and not self.chip.SAMA5 \
+         and not self.chip.APQ8016:
             try:
                 self._spi.no_cs = True  # this doesn't work but try anyways
             except AttributeError:
@@ -52,11 +53,14 @@ class SPI:
             self._spi.max_speed_hz = self.baudrate
             self._spi.mode = self.mode
             self._spi.bits_per_word = self.bits
-            self._spi.writebytes([x for x in buf[start:end]])
-            self._spi.close()
         except FileNotFoundError as not_found:
             print("Could not open SPI device - check if SPI is enabled in kernel!")
             raise
+        try:
+            self._spi.writebytes2(buf[start:end])
+        except AttributeError as error:
+            self._spi.writebytes([x for x in buf[start:end]])
+        self._spi.close()
 
     def readinto(self, buf, start=0, end=None, write_value=0):
         if not buf: