Hi Ksenija!
Ksenija Stanojevic writes:
> +static int mxs_lradc_ts_register(struct mxs_lradc_ts *ts)
> +{
> + struct input_dev *input = ts->ts_input;
> + struct device *dev = ts->dev;
> +
> + input = devm_input_allocate_device(dev);
> + if (!input)
> + return -ENOMEM;
> +
> + input->name = "mxs-lradc-ts";
> + input->id.bustype = BUS_HOST;
> + input->open = mxs_lradc_ts_open;
> + input->close = mxs_lradc_ts_close;
> +
> + __set_bit(EV_ABS, input->evbit);
> + __set_bit(EV_KEY, input->evbit);
> + __set_bit(BTN_TOUCH, input->keybit);
> + __set_bit(INPUT_PROP_DIRECT, input->propbit);
> + input_set_abs_params(input, ABS_X, 0, LRADC_SINGLE_SAMPLE_MASK, 0, 0);
> + input_set_abs_params(input, ABS_Y, 0, LRADC_SINGLE_SAMPLE_MASK, 0, 0);
> + input_set_abs_params(input, ABS_PRESSURE, 0, LRADC_SINGLE_SAMPLE_MASK,
> + 0, 0);
> +
> + ts->ts_input = input;
> + input_set_drvdata(input, ts);
> +
> + return input_register_device(input);
> +}
> +
> +static int mxs_lradc_ts_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct device_node *node = dev->parent->of_node;
> + struct mxs_lradc *lradc = dev_get_drvdata(dev->parent);
> + struct mxs_lradc_ts *ts;
> + struct resource *iores;
> + int ret, irq, virq, i;
> + u32 ts_wires = 0, adapt;
> +
> + ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);
> + if (!ts)
> + return -ENOMEM;
> +
> + platform_set_drvdata(pdev, ts);
> +
> + ts->lradc = lradc;
> + ts->dev = dev;
> + spin_lock_init(&ts->lock);
> +
> + iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + ts->base = devm_ioremap(dev, iores->start, resource_size(iores));
> + if (IS_ERR(ts->base))
> + return PTR_ERR(ts->base);
> +
> + ret = of_property_read_u32(node, "fsl,lradc-touchscreen-wires",
> + &ts_wires);
> + if (ret)
> + return ret;
> +
> + if (of_property_read_u32(node, "fsl,ave-ctrl", &adapt)) {
> + ts->over_sample_cnt = 4;
> + } else {
> + if (adapt >= 1 || adapt <= 32) {
> + ts->over_sample_cnt = adapt;
> + } else {
> + dev_err(ts->dev, "Invalid sample count (%u)\n",
> + adapt);
> + return -EINVAL;
> + }
> + }
> +
> + if (of_property_read_u32(node, "fsl,ave-delay", &adapt)) {
> + ts->over_sample_delay = 2;
> + } else {
> + if (adapt >= 2 || adapt <= LRADC_DELAY_DELAY_MASK + 1) {
> + ts->over_sample_delay = adapt;
> + } else {
> + dev_err(ts->dev, "Invalid sample delay (%u)\n",
> + adapt);
> + return -EINVAL;
> + }
> + }
> +
> + if (of_property_read_u32(node, "fsl,settling", &adapt)) {
> + ts->settling_delay = 10;
> + } else {
> + if (adapt >= 1 || adapt <= LRADC_DELAY_DELAY_MASK) {
> + ts->settling_delay = adapt;
> + } else {
> + dev_err(ts->dev, "Invalid settling delay (%u)\n",
> + adapt);
> + return -EINVAL;
> + }
> + }
> +
> + ret = stmp_reset_block(ts->base);
> + if (ret)
> + return ret;
> +
> + mxs_lradc_ts_hw_init(ts);
> +
> + for (i = 0; i < 3; i++) {
> + irq = platform_get_irq_byname(pdev, mxs_lradc_ts_irq_names[i]);
> + if (irq < 0)
> + return irq;
> +
> + virq = irq_of_parse_and_map(node, irq);
> +
> + mxs_lradc_ts_stop(ts);
> +
> + ret = devm_request_irq(dev, virq,
> + mxs_lradc_ts_handle_irq,
> + 0, mxs_lradc_ts_irq_names[i], ts);
> + if (ret)
> + return ret;
> + }
> +
> + mxs_lradc_ts_register(ts);
> +
> + return 0;
In case you end up creating v15, please check if the above can be:
return mxs_lradc_ts_register(ts);
Offtopic: This patch series has got the most contradictory review
comments I have seen so far at kernel work. Thanks for your tireless
effort to satisfy everybody. I'm looking forward to this getting merged.
Harald
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