Re: [PATCH 1/8] Add ability to read default input port from DT

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2015-01-29 17:19 GMT+01:00 William Towle <william.towle@xxxxxxxxxxxxxxx>:
> From: Ian Molton <ian.molton@xxxxxxxxxxxxxxx>
>
> ---
>  Documentation/devicetree/bindings/media/i2c/adv7604.txt |    3 +++
>  drivers/media/i2c/adv7604.c                             |    8 +++++++-
>  2 files changed, 10 insertions(+), 1 deletion(-)

Is this really passing through checkpatch ? Without a proper signed-off-by ?

> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt b/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> index c27cede..bc50da2 100644
> --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> @@ -33,6 +33,9 @@ Optional Properties:
>
>    - reset-gpios: Reference to the GPIO connected to the device's reset pin.
>
> +  - default-input: Reference to the chip's default input port. This value
> +    should match the pad number for the intended device
> +
>  Optional Endpoint Properties:
>
>    The following three properties are defined in video-interfaces.txt and are
> diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
> index e43dd2e..6666803 100644
> --- a/drivers/media/i2c/adv7604.c
> +++ b/drivers/media/i2c/adv7604.c
> @@ -2686,6 +2686,7 @@ static int adv7604_parse_dt(struct adv7604_state *state)
>         struct device_node *endpoint;
>         struct device_node *np;
>         unsigned int flags;
> +       u32 v;

Could be named default_input ?

>         np = state->i2c_clients[ADV7604_PAGE_IO]->dev.of_node;
>
> @@ -2695,6 +2696,12 @@ static int adv7604_parse_dt(struct adv7604_state *state)
>                 return -EINVAL;
>
>         v4l2_of_parse_endpoint(endpoint, &bus_cfg);
> +
> +       if (!of_property_read_u32(endpoint, "default-input", &v))
> +               state->pdata.default_input = v;
> +       else
> +               state->pdata.default_input = -1;
> +

OK, so, whatever the value I put in DT, it will be put in the pdata ?
No test against max_port ?

>         of_node_put(endpoint);
>
>         flags = bus_cfg.bus.parallel.flags;
> @@ -2733,7 +2740,6 @@ static int adv7604_parse_dt(struct adv7604_state *state)
>         /* Hardcode the remaining platform data fields. */
>         state->pdata.disable_pwrdnb = 0;
>         state->pdata.disable_cable_det_rst = 0;
> -       state->pdata.default_input = -1;
>         state->pdata.blank_data = 1;
>         state->pdata.alt_data_sat = 1;
>         state->pdata.op_format_mode_sel = ADV7604_OP_FORMAT_MODE0;
> --
> 1.7.10.4
>
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JM
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