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2021-12-28iio: chemical: sunrise_co2: set val parameter only on successTom Rix1-2/+2
Clang static analysis reports this representative warning sunrise_co2.c:410:9: warning: Assigned value is garbage or undefined *val = value; ^ ~~~~~ The ealier call to sunrise_read_word can fail without setting value. So defer setting val until we know the read was successful. Fixes: c397894e24f1 ("iio: chemical: Add Senseair Sunrise 006-0-007 driver") Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20211224150833.3278236-1-trix@redhat.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-10-19iio: chemical: Add Senseair Sunrise 006-0-007 driverJacopo Mondi1-0/+537
Add support for the Senseair Sunrise 006-0-0007 driver through the IIO subsystem. Datasheet: https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/TDE5531.pdf Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Link: https://lore.kernel.org/r/20210920135413.140310-4-jacopo+renesas@jmondi.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>