Hi, On Sun, Jul 05, 2020 at 01:09:37AM +0800, Icenowy Zheng wrote: > 在 2020-07-04星期六的 17:29 +0100，Jonathan Cameron写道： > > On Fri, 3 Jul 2020 21:44:05 +0200 > > Ondrej Jirman <megous@xxxxxxxxxx> wrote: > > > > > From: Icenowy Zheng <icenowy@xxxxxxx> > > > > > > The STK3311 chip has a variant called STK3311-X, which has a > > > different > > > chip id of 0x12. > > > > > > Add the chip id to the driver. > > > > > > Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx> > > > Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx> > > > > Given this is clearly not quite compatible with the stk3311 probably > > best to also add a an id to the of id table. Any idea what else > > is different? > > By the way, STK3311 seems to have many variants lying around, and all > of them have different IDs. The pinouts seem to be different but the > registers are compatible. > > [1] is a datasheet of STK3311-S34 with ID 0x1e. > [2] is a datasheet of STK3311-A with ID 0x15. > > I cannot find the datasheet of STK3311-X, 0x12 is read from the device. > The model number itself is mentioned at [3], the official website of > sensortek. > > [1] > http://pro0fc108.hkpic1.websiteonline.cn/upload/STK3311-S34Datasheetv1.pdf > > [2] > http://pro0fc108.hkpic1.websiteonline.cn/upload/STK3311-ADatasheetv1.pdf > > [3] > http://www.sensortek.com.tw/index.php/en/products/proximity-sensor-with-als/ Yeah, it looks like it's the only one of stk3111-* variants that sensortek lists on their website. I also didn't find the *-x datasheet despite trying really hard. All the functionality seems to work with the current driver and this patch. regards, o. > > > > Thanks, > > > > Jonathan > > > > > --- > > > drivers/iio/light/stk3310.c | 2 ++ > > > 1 file changed, 2 insertions(+) > > > > > > diff --git a/drivers/iio/light/stk3310.c > > > b/drivers/iio/light/stk3310.c > > > index 185c24a75ae6..1a8401d198a4 100644 > > > --- a/drivers/iio/light/stk3310.c > > > +++ b/drivers/iio/light/stk3310.c > > > @@ -37,6 +37,7 @@ > > > > > > #define STK3310_CHIP_ID_VAL 0x13 > > > #define STK3311_CHIP_ID_VAL 0x1D > > > +#define STK3311X_CHIP_ID_VAL 0x12 > > > #define STK3335_CHIP_ID_VAL 0x51 > > > #define STK3310_PSINT_EN 0x01 > > > #define STK3310_PS_MAX_VAL 0xFFFF > > > @@ -453,6 +454,7 @@ static int stk3310_init(struct iio_dev > > > *indio_dev) > > > > > > if (chipid != STK3310_CHIP_ID_VAL && > > > chipid != STK3311_CHIP_ID_VAL && > > > + chipid != STK3311X_CHIP_ID_VAL && > > > chipid != STK3335_CHIP_ID_VAL) { > > > dev_err(&client->dev, "invalid chip id: 0x%x\n", > > > chipid); > > > return -ENODEV;
