iio: dac: ti-dac7311: Add check for spi_setup

Add check for the return value of spi_setup() and return the error
if it fails in order to catch the error.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://patch.msgid.link/20240705084250.3006527-1-nichen@iscas.ac.cnSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/dac/ti-dac7311.c

@@ -249,7 +249,9 @@ static int ti_dac_probe(struct spi_device *spi)
 
 	spi->mode = SPI_MODE_1;
 	spi->bits_per_word = 16;
-	spi_setup(spi);
+	ret = spi_setup(spi);
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "spi_setup failed\n");
 
 	indio_dev->info = &ti_dac_info;
 	indio_dev->name = spi_get_device_id(spi)->name;