diff options
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r-- | drivers/input/touchscreen/Kconfig | 2 | ||||
-rw-r--r-- | drivers/input/touchscreen/ads7846.c | 6 | ||||
-rw-r--r-- | drivers/input/touchscreen/egalax_ts.c | 23 | ||||
-rw-r--r-- | drivers/input/touchscreen/tsc40.c | 1 |
4 files changed, 27 insertions, 5 deletions
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 1ba232cbc09..f7668b24c37 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -239,7 +239,7 @@ config TOUCHSCREEN_EETI config TOUCHSCREEN_EGALAX tristate "EETI eGalax multi-touch panel support" - depends on I2C + depends on I2C && OF help Say Y here to enable support for I2C connected EETI eGalax multi-touch panels. diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index f02028ec3db..78e5d9ab0ba 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -955,7 +955,8 @@ static int ads7846_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(ads7846_pm, ads7846_suspend, ads7846_resume); -static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads7846 *ts) +static int __devinit ads7846_setup_pendown(struct spi_device *spi, + struct ads7846 *ts) { struct ads7846_platform_data *pdata = spi->dev.platform_data; int err; @@ -981,6 +982,9 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784 ts->gpio_pendown = pdata->gpio_pendown; + if (pdata->gpio_pendown_debounce) + gpio_set_debounce(pdata->gpio_pendown, + pdata->gpio_pendown_debounce); } else { dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n"); return -EINVAL; diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c index c1e3460f119..13fa62fdfb0 100644 --- a/drivers/input/touchscreen/egalax_ts.c +++ b/drivers/input/touchscreen/egalax_ts.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/bitops.h> #include <linux/input/mt.h> +#include <linux/of_gpio.h> /* * Mouse Mode: some panel may configure the controller to mouse mode, @@ -122,9 +123,17 @@ static irqreturn_t egalax_ts_interrupt(int irq, void *dev_id) /* wake up controller by an falling edge of interrupt gpio. */ static int egalax_wake_up_device(struct i2c_client *client) { - int gpio = irq_to_gpio(client->irq); + struct device_node *np = client->dev.of_node; + int gpio; int ret; + if (!np) + return -ENODEV; + + gpio = of_get_named_gpio(np, "wakeup-gpios", 0); + if (!gpio_is_valid(gpio)) + return -ENODEV; + ret = gpio_request(gpio, "egalax_irq"); if (ret < 0) { dev_err(&client->dev, @@ -181,7 +190,11 @@ static int __devinit egalax_ts_probe(struct i2c_client *client, ts->input_dev = input_dev; /* controller may be in sleep, wake it up. */ - egalax_wake_up_device(client); + error = egalax_wake_up_device(client); + if (error) { + dev_err(&client->dev, "Failed to wake up the controller\n"); + goto err_free_dev; + } ret = egalax_firmware_version(client); if (ret < 0) { @@ -274,11 +287,17 @@ static int egalax_ts_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(egalax_ts_pm_ops, egalax_ts_suspend, egalax_ts_resume); +static struct of_device_id egalax_ts_dt_ids[] = { + { .compatible = "eeti,egalax_ts" }, + { /* sentinel */ } +}; + static struct i2c_driver egalax_ts_driver = { .driver = { .name = "egalax_ts", .owner = THIS_MODULE, .pm = &egalax_ts_pm_ops, + .of_match_table = of_match_ptr(egalax_ts_dt_ids), }, .id_table = egalax_ts_id, .probe = egalax_ts_probe, diff --git a/drivers/input/touchscreen/tsc40.c b/drivers/input/touchscreen/tsc40.c index 63209aaa55f..eb96f168fb9 100644 --- a/drivers/input/touchscreen/tsc40.c +++ b/drivers/input/touchscreen/tsc40.c @@ -107,7 +107,6 @@ static int tsc_connect(struct serio *serio, struct serio_driver *drv) __set_bit(BTN_TOUCH, input_dev->keybit); input_set_abs_params(ptsc->dev, ABS_X, 0, 0x3ff, 0, 0); input_set_abs_params(ptsc->dev, ABS_Y, 0, 0x3ff, 0, 0); - input_set_abs_params(ptsc->dev, ABS_PRESSURE, 0, 0, 0, 0); serio_set_drvdata(serio, ptsc); |