diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index f129039bece3c74b96fb78e70996ea65279502ea..69287108f793bcb81bcf91451b64f1f4f86c2257 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -217,8 +217,12 @@ static ssize_t ade7753_write_16bit(struct device *dev, static int ade7753_reset(struct device *dev) { u16 val; + int ret; + + ret = ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); + if (ret) + return ret; - ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); val |= BIT(6); /* Software Chip Reset */ return ade7753_spi_write_reg_16(dev, ADE7753_MODE, val); @@ -343,8 +347,12 @@ static int ade7753_set_irq(struct device *dev, bool enable) static int ade7753_stop_device(struct device *dev) { u16 val; + int ret; + + ret = ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); + if (ret) + return ret; - ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); val |= BIT(4); /* AD converters can be turned off */ return ade7753_spi_write_reg_16(dev, ADE7753_MODE, val);