On Mon, Oct 22, 2018 at 11:22:15PM +0530, Shreeya Patel wrote:
> On Mon, 2018-10-22 at 22:44 +0530, Nishad Kamdar wrote:
> > Use the gpiod interface instead of the deprecated old non-descriptor
> > interface for ldac_pin.
> >
> > Signed-off-by: Nishad Kamdar <nishadkamdar@xxxxxxxxx>
> > ---
>
> Hi Nishad,
>
> I have been working on implementing device tree bindings for this
> driver and removing platform data from it.
>
> I've sent a series of patches for it to Jonathan. I didn't send it
> on the mailing list as I wanted to confirm from Jonathan if we wants
> something more to be done in the series. That series also includes
> the change which you are proposing here.
> I am really sorry that you didn't know about this.
> If you are planning to send any other patches for this driver then
> let me know before you start implementing it so that we can
> co-ordinate before doing any work.
>
> Thanks
>
>
> > drivers/staging/iio/addac/adt7316.c | 17 ++++++++++++-----
> > 1 file changed, 12 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/staging/iio/addac/adt7316.c
> > b/drivers/staging/iio/addac/adt7316.c
> > index 3f22d1088713..94f945ba0097 100644
> > --- a/drivers/staging/iio/addac/adt7316.c
> > +++ b/drivers/staging/iio/addac/adt7316.c
> > @@ -8,7 +8,7 @@
> > */
> >
> > #include <linux/interrupt.h>
> > -#include <linux/gpio.h>
> > +#include <linux/gpio/consumer.h>
> > #include <linux/workqueue.h>
> > #include <linux/device.h>
> > #include <linux/kernel.h>
> > @@ -177,7 +177,7 @@
> >
> > struct adt7316_chip_info {
> > struct adt7316_bus bus;
> > - u16 ldac_pin;
> > + struct gpio_desc *ldac_pin;
> > u16 int_mask; /* 0x2f */
> > u8 config1;
> > u8 config2;
> > @@ -950,8 +950,8 @@ static ssize_t adt7316_store_update_DAC(struct
> > device *dev,
> > if (ret)
> > return -EIO;
> > } else {
> > - gpio_set_value(chip->ldac_pin, 0);
> > - gpio_set_value(chip->ldac_pin, 1);
> > + gpiod_set_value(chip->ldac_pin, 0);
> > + gpiod_set_value(chip->ldac_pin, 1);
> > }
> >
> > return len;
> > @@ -2120,7 +2120,14 @@ int adt7316_probe(struct device *dev, struct
> > adt7316_bus *bus,
> > else
> > return -ENODEV;
> >
> > - chip->ldac_pin = adt7316_platform_data[1];
> > + chip->ldac_pin = devm_gpiod_get(dev, "ldac",
> > GPIOD_OUT_HIGH);
> > + if (IS_ERR(chip->ldac_pin)) {
> > + ret = PTR_ERR(chip->ldac_pin);
> > + dev_err(dev, "Failed to request ldac GPIO: %d\n",
> > + ret);
> > + return ret;
> > + }
> > +
> > if (chip->ldac_pin) {
> > chip->config3 |= ADT7316_DA_EN_VIA_DAC_LDCA;
> > if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
Hello Shreeya,
Sure no problem.
Thanks and regards,
Nishad
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