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-rw-r--r--drivers/sensors/pmw3389.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/sensors/pmw3389.c b/drivers/sensors/pmw3389.c
index 11056bb89e..d6f02b6a59 100644
--- a/drivers/sensors/pmw3389.c
+++ b/drivers/sensors/pmw3389.c
@@ -210,16 +210,14 @@ void pmw3389_upload_firmware(void) {
spi_write(REG_SROM_Load_Burst | 0x80);
wait_us(15);
-#ifdef PMW3389_LEGACY_FIRMWARE_UPLOAD
+ // legacy only for PMW3389 spi_transmit failed to load firmware
unsigned char c;
for (int i = 0; i < FIRMWARE_LENGTH; i++) {
c = (unsigned char)pgm_read_byte(firmware_data + i);
spi_write(c);
wait_us(15);
}
-#else
- spi_transmit(firmware_data, sizeof(firmware_data));
-#endif
+
wait_us(200);
pmw3389_read(REG_SROM_ID);