Hi Bastian,
On Mon, Apr 08, 2013 at 02:52:26PM +0200, Bastian Hecht wrote:
> +static void st1232_ts_power(struct st1232_ts_data *ts, bool poweron)
> +{
> + if (ts->reset_gpio >= 0)
This should be gpio_is_valid() I think.
> + gpio_direction_output(ts->reset_gpio, poweron);
> +}
> +
> static int st1232_ts_probe(struct i2c_client *client,
> const struct i2c_device_id *id)
> {
> struct st1232_ts_data *ts;
> + struct st1232_pdata *pdata = client->dev.platform_data;
> struct input_dev *input_dev;
> int error;
>
> @@ -167,6 +178,25 @@ static int st1232_ts_probe(struct i2c_client *client,
> ts->client = client;
> ts->input_dev = input_dev;
>
> + if (client->dev.of_node)
> + ts->reset_gpio = of_get_gpio(client->dev.of_node, 0);
> + else if (pdata)
> + ts->reset_gpio = pdata->reset_gpio;
I believe we should favor platform data, then firmware, so that you can
override if necessary.
> + else
> + ts->reset_gpio = -ENODEV;
> +
> + if (ts->reset_gpio >= 0) {
gpio_is_valid() again?
> + error = devm_gpio_request(&client->dev, ts->reset_gpio, NULL);
Frankly I do not like mixing managed and noon-managed resources. Maybe
the entire driver needs to be converted to managed resources?
Thanks.
--
Dmitry
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