From: Jeff LaBundy Date: Sun, 23 Jan 2022 19:01:06 +0000 (-0600) Subject: iio: temperature: iqs620at-temp: Add support for V3 silicon X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9e444dbf278c604110762b25d8e0b4e9f1d27dbc;p=linux.git iio: temperature: iqs620at-temp: Add support for V3 silicon The vendor introduced an updated revision of IQS620A(T) silicon which is backwards-compatible with previous revisions, the only exception being the offset used to derive temperature. Enable this new revision by returning the appropriate offset as a function of the hardware number provided by the parent MFD. Signed-off-by: Jeff LaBundy Signed-off-by: Lee Jones --- diff --git a/drivers/iio/temperature/iqs620at-temp.c b/drivers/iio/temperature/iqs620at-temp.c index fe126e1fb7833..e2f878d57af79 100644 --- a/drivers/iio/temperature/iqs620at-temp.c +++ b/drivers/iio/temperature/iqs620at-temp.c @@ -17,6 +17,7 @@ #define IQS620_TEMP_SCALE 1000 #define IQS620_TEMP_OFFSET (-100) +#define IQS620_TEMP_OFFSET_V3 (-40) static int iqs620_temp_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, @@ -41,7 +42,8 @@ static int iqs620_temp_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; case IIO_CHAN_INFO_OFFSET: - *val = IQS620_TEMP_OFFSET; + *val = iqs62x->hw_num < IQS620_HW_NUM_V3 ? IQS620_TEMP_OFFSET + : IQS620_TEMP_OFFSET_V3; return IIO_VAL_INT; default: