Re: [PATCH v2 6/8] drivers:input:ads7846(+tsc2046): recognise old binding for coordinate flipping

[Rob Herring]

On Fri, Nov 13, 2015 at 2:35 PM, H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> wrote:
> By this patch we still recognise the old binding ti,swap-xy in parallel to
> the common binding touchscreen-swapped-x-y. This keeps compatibility
> to older (out-of-tree) device tree binaries.
>
> We do this in a separate patch so that it can be easily reverted in the
> future to retire the old API. A notice is printed to remind developers
> of using old API.
>
> We also fix the bindings name for all in-tree device tree sources in
> a separate patch.

This one and patch 5 should be combined, so the series is bisectable.

Rob

>
> Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
> ---
>  drivers/input/touchscreen/ads7846.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
> index 4525f00..b9896fd 100644
> --- a/drivers/input/touchscreen/ads7846.c
> +++ b/drivers/input/touchscreen/ads7846.c
> @@ -1259,7 +1259,11 @@ static const struct ads7846_platform_data *ads7846_probe_dt(struct device *dev)
>         of_property_read_u16(node, "ti,vref-mv", &pdata->vref_mv);
>         pdata->keep_vref_on = of_property_read_bool(node, "ti,keep-vref-on");
>
> -       pdata->swap_xy = of_property_read_bool(node, "touchscreen-swapped-x-y");
> +       pdata->swap_xy = of_property_read_bool(node, "ti,swap-xy");
> +       if (pdata->swap_xy)
> +               dev_notice(dev, "please update device tree to use touchscreen-swapped-x-y");
> +       pdata->swap_xy |= of_property_read_bool(node,
> +                                               "touchscreen-swapped-x-y");
>
>         of_property_read_u16(node, "ti,settle-delay-usec",
>                              &pdata->settle_delay_usecs);
> --
> 2.5.1
>
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