| Message ID | 20200903130950.6274-4-nish.malpani25@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iio: gyro: adxrs290: Add triggered buffer & debugfs support | expand |
On Thu, 3 Sep 2020 16:59:12 +0300 Andy Shevchenko <andy.shevchenko@gmail.com> wrote: > On Thu, Sep 3, 2020 at 4:57 PM Nishant Malpani <nish.malpani25@gmail.com> wrote: > > On Thu, Sep 3, 2020 at 6:55 PM Andy Shevchenko > > <andy.shevchenko@gmail.com> wrote: > > ... > > > Umm, I'm sorry, I don't see why'd it be favourable for us to do it > > this way. Also, I *think* Jonathan is fine with how it's being done > > now. > > I have no strong opinion, so whatever Jonathan thinks better. > Andy's suggestion is a little bit nicer, so as you are doing a v3, might as well roll that change in as well :) Jonathan
diff --git a/drivers/iio/gyro/adxrs290.c b/drivers/iio/gyro/adxrs290.c index 4099b8917d3e..132fd16789f0 100644 --- a/drivers/iio/gyro/adxrs290.c +++ b/drivers/iio/gyro/adxrs290.c @@ -434,6 +434,24 @@ static int adxrs290_read_avail(struct iio_dev *indio_dev, } } +static int adxrs290_reg_access(struct iio_dev *indio_dev, unsigned int reg, + unsigned int writeval, unsigned int *readval) +{ + struct adxrs290_state *st = iio_priv(indio_dev); + int ret; + + if (!readval) + return adxrs290_spi_write_reg(st->spi, reg, writeval); + + ret = spi_w8r8(st->spi, ADXRS290_READ_REG(reg)); + if (ret < 0) + return ret; + + *readval = ret; + + return 0; +} + static int adxrs290_data_rdy_trigger_set_state(struct iio_trigger *trig, bool state) { struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); @@ -546,6 +564,7 @@ static const struct iio_info adxrs290_info = { .read_raw = &adxrs290_read_raw, .write_raw = &adxrs290_write_raw, .read_avail = &adxrs290_read_avail, + .debugfs_reg_access = &adxrs290_reg_access, }; static int adxrs290_probe_trigger(struct iio_dev *indio_dev)
Extend support to read/write byte data from/to the device using debugfs iio interface. Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com> --- No changes in v2 --- drivers/iio/gyro/adxrs290.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)