3 Commits

Author	SHA1	Message	Date
Dan Carpenter	de3b9fe960	iio:dac:ad3552r: Fix an IS_ERR() vs NULL check ... The fwnode_get_named_child_node() function does not return error pointers. It returns NULL. Update the check accordingly. Fixes: 8f2b54824b ("drivers:iio:dac: Add AD3552R driver support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220404114244.GA19201@kili Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>	2022-04-10 17:57:40 +01:00
Dan Carpenter	460bfa65b0	iio: dac: ad3552r: fix signedness bug in ad3552r_reset() ... The "val" variable is used to store either negative error codes from ad3552r_read_reg_wrapper() or positive u16 values on success. It needs to be signed for the error handling to work correctly. Fixes: 8f2b54824b ("drivers:iio:dac: Add AD3552R driver support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20220316122354.GA16825@kili Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>	2022-04-04 09:19:01 +01:00
Mihail Chindris	8f2b54824b	drivers:iio:dac: Add AD3552R driver support ... The AD3552R-16 is a low drift ultrafast, 16-bit accuracy, current output digital-to-analog converter (DAC) designed to generate multiple output voltage span ranges. The AD3552R-16 operates with a fixed 2.5V reference. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad3552r.pdf Signed-off-by: Mihail Chindris <mihail.chindris@analog.com> Link: https://lore.kernel.org/r/20211213110825.244347-3-mihail.chindris@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>	2021-12-16 18:00:55 +00:00