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2024-02-28iio: adc: ti-ads1298: prevent divide by zero in ads1298_set_samp_freq()Dan Carpenter1-0/+2
The "val" variable comes from the user so we need to ensure that it's not zero. In fact, all negative values are invalid as well. Add a check for that. Fixes: 00ef7708fa60 ("iio: adc: ti-ads1298: Add driver") Acked-by: Mike Looijmans <mike.looijmans@topic.nl> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/c32c9087-86de-423b-8101-67b4a7f9d728@moroto.mountain Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: adc: ti-ads1298: Fix error code in probe()Dan Carpenter1-1/+1
There is a copy and paste bug here, it should be "reg_vref" instead of "reg_avdd". The "priv->reg_avdd" variable is zero so it ends up returning success. Fixes: 00ef7708fa60 ("iio: adc: ti-ads1298: Add driver") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Acked-by: Mike Looijmans <mike.looijmans@topic.nl> Link: https://lore.kernel.org/r/5f393a87-ca8b-4e68-a6f4-a79f75a91ccb@moroto.mountain Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: adc: ti-ads1298: Add driverMike Looijmans1-0/+769
Skeleton driver for the TI ADS1298 medical ADC. This device is typically used for ECG and similar measurements. Supports data acquisition at configurable scale and sampling frequency. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Link: https://lore.kernel.org/r/20240216153020.485201-2-mike.looijmans@topic.nl Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>