On Mon, Aug 11, 2014 at 01:05:19PM +0100, Ian Molton wrote:
> This patch adds support to the adv7604 driver for reading the default
> selected input from the Device tree. If none is provided, the driver will not
> select an input without help from userspace.
>
> Tested-by: William Towle <william.towle@xxxxxxxxxxxxxxx>
> Signed-off-by: Ian Molton <ian.molton@xxxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/media/i2c/adv7604.txt | 5 ++++-
> drivers/media/i2c/adv7604.c | 9 +++++++--
> 2 files changed, 11 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt b/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> index cc0708c..6e8ace0 100644
> --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> @@ -41,11 +41,12 @@ Optional Endpoint Properties:
>
> - hsync-active: Horizontal synchronization polarity. Defaults to active low.
> - vsync-active: Vertical synchronization polarity. Defaults to active low.
> - - pclk-sample: Pixel clock polarity. Defaults to output on the falling edge.
> + - pclk-sample: Pixel clock polarity. Defaults to output on the falling edge.
Unrelated whitespace change?
>
> If none of hsync-active, vsync-active and pclk-sample is specified the
> endpoint will use embedded BT.656 synchronization.
>
> + - default-input: Select which input is selected after reset.
Valid values are?
>
> Example:
>
> @@ -59,6 +60,8 @@ Example:
> #address-cells = <1>;
> #size-cells = <0>;
>
> + default-input = <0>;
> +
> port@0 {
> reg = <0>;
> };
> diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
> index 9f73a7f..75e1942 100644
> --- a/drivers/media/i2c/adv7604.c
> +++ b/drivers/media/i2c/adv7604.c
> @@ -2732,7 +2732,7 @@ static int adv7604_parse_dt(struct adv7604_state *state)
> struct v4l2_of_endpoint bus_cfg;
> struct device_node *endpoint;
> struct device_node *np;
> - unsigned int flags;
> + unsigned int flags, v;
>
> np = state->i2c_clients[ADV7604_PAGE_IO]->dev.of_node;
>
> @@ -2742,6 +2742,12 @@ 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))
This doesn't match the binding ('_' vs '-').
Thanks,
Mark.
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