diff options
Diffstat (limited to 'drivers/input/touchscreen/ts4800-ts.c')
| -rw-r--r-- | drivers/input/touchscreen/ts4800-ts.c | 68 |
1 files changed, 38 insertions, 30 deletions
diff --git a/drivers/input/touchscreen/ts4800-ts.c b/drivers/input/touchscreen/ts4800-ts.c index 5b4f5362c67b..6cf66aadc10e 100644 --- a/drivers/input/touchscreen/ts4800-ts.c +++ b/drivers/input/touchscreen/ts4800-ts.c @@ -10,7 +10,6 @@ #include <linux/bitops.h> #include <linux/input.h> -#include <linux/input-polldev.h> #include <linux/io.h> #include <linux/kernel.h> #include <linux/mfd/syscon.h> @@ -33,7 +32,7 @@ #define Y_OFFSET 0x2 struct ts4800_ts { - struct input_polled_dev *poll_dev; + struct input_dev *input; struct device *dev; char phys[32]; @@ -46,22 +45,26 @@ struct ts4800_ts { int debounce; }; -static void ts4800_ts_open(struct input_polled_dev *dev) +static int ts4800_ts_open(struct input_dev *input_dev) { - struct ts4800_ts *ts = dev->private; - int ret; + struct ts4800_ts *ts = input_get_drvdata(input_dev); + int error; ts->pendown = false; ts->debounce = DEBOUNCE_COUNT; - ret = regmap_update_bits(ts->regmap, ts->reg, ts->bit, ts->bit); - if (ret) - dev_warn(ts->dev, "Failed to enable touchscreen\n"); + error = regmap_update_bits(ts->regmap, ts->reg, ts->bit, ts->bit); + if (error) { + dev_warn(ts->dev, "Failed to enable touchscreen: %d\n", error); + return error; + } + + return 0; } -static void ts4800_ts_close(struct input_polled_dev *dev) +static void ts4800_ts_close(struct input_dev *input_dev) { - struct ts4800_ts *ts = dev->private; + struct ts4800_ts *ts = input_get_drvdata(input_dev); int ret; ret = regmap_update_bits(ts->regmap, ts->reg, ts->bit, 0); @@ -70,10 +73,9 @@ static void ts4800_ts_close(struct input_polled_dev *dev) } -static void ts4800_ts_poll(struct input_polled_dev *dev) +static void ts4800_ts_poll(struct input_dev *input_dev) { - struct input_dev *input_dev = dev->input; - struct ts4800_ts *ts = dev->private; + struct ts4800_ts *ts = input_get_drvdata(input_dev); u16 last_x = readw(ts->base + X_OFFSET); u16 last_y = readw(ts->base + Y_OFFSET); bool pendown = last_x & PENDOWN_MASK; @@ -146,7 +148,7 @@ static int ts4800_parse_dt(struct platform_device *pdev, static int ts4800_ts_probe(struct platform_device *pdev) { - struct input_polled_dev *poll_dev; + struct input_dev *input_dev; struct ts4800_ts *ts; int error; @@ -162,32 +164,38 @@ static int ts4800_ts_probe(struct platform_device *pdev) if (IS_ERR(ts->base)) return PTR_ERR(ts->base); - poll_dev = devm_input_allocate_polled_device(&pdev->dev); - if (!poll_dev) + input_dev = devm_input_allocate_device(&pdev->dev); + if (!input_dev) return -ENOMEM; snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&pdev->dev)); - ts->poll_dev = poll_dev; + ts->input = input_dev; ts->dev = &pdev->dev; - poll_dev->private = ts; - poll_dev->poll_interval = POLL_INTERVAL; - poll_dev->open = ts4800_ts_open; - poll_dev->close = ts4800_ts_close; - poll_dev->poll = ts4800_ts_poll; + input_set_drvdata(input_dev, ts); + + input_dev->name = "TS-4800 Touchscreen"; + input_dev->phys = ts->phys; + + input_dev->open = ts4800_ts_open; + input_dev->close = ts4800_ts_close; + + input_set_capability(input_dev, EV_KEY, BTN_TOUCH); + input_set_abs_params(input_dev, ABS_X, 0, MAX_12BIT, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 0, MAX_12BIT, 0, 0); - poll_dev->input->name = "TS-4800 Touchscreen"; - poll_dev->input->phys = ts->phys; + error = input_setup_polling(input_dev, ts4800_ts_poll); + if (error) { + dev_err(&pdev->dev, "Unable to set up polling: %d\n", error); + return error; + } - input_set_capability(poll_dev->input, EV_KEY, BTN_TOUCH); - input_set_abs_params(poll_dev->input, ABS_X, 0, MAX_12BIT, 0, 0); - input_set_abs_params(poll_dev->input, ABS_Y, 0, MAX_12BIT, 0, 0); + input_set_poll_interval(input_dev, POLL_INTERVAL); - error = input_register_polled_device(poll_dev); + error = input_register_device(input_dev); if (error) { dev_err(&pdev->dev, - "Unabled to register polled input device (%d)\n", - error); + "Unable to register input device: %d\n", error); return error; } |