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path: root/drivers/input/touchscreen/mc13783_ts.c
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Diffstat (limited to 'drivers/input/touchscreen/mc13783_ts.c')
-rw-r--r--drivers/input/touchscreen/mc13783_ts.c63
1 files changed, 30 insertions, 33 deletions
diff --git a/drivers/input/touchscreen/mc13783_ts.c b/drivers/input/touchscreen/mc13783_ts.c
index c5bc62d85bb..d6f099c47f8 100644
--- a/drivers/input/touchscreen/mc13783_ts.c
+++ b/drivers/input/touchscreen/mc13783_ts.c
@@ -35,17 +35,18 @@ MODULE_PARM_DESC(sample_tolerance,
struct mc13783_ts_priv {
struct input_dev *idev;
- struct mc13783 *mc13783;
+ struct mc13xxx *mc13xxx;
struct delayed_work work;
struct workqueue_struct *workq;
unsigned int sample[4];
+ struct mc13xxx_ts_platform_data *touch;
};
static irqreturn_t mc13783_ts_handler(int irq, void *data)
{
struct mc13783_ts_priv *priv = data;
- mc13783_irq_ack(priv->mc13783, irq);
+ mc13xxx_irq_ack(priv->mc13xxx, irq);
/*
* Kick off reading coordinates. Note that if work happens already
@@ -121,11 +122,13 @@ static void mc13783_ts_work(struct work_struct *work)
{
struct mc13783_ts_priv *priv =
container_of(work, struct mc13783_ts_priv, work.work);
- unsigned int mode = MC13783_ADC_MODE_TS;
+ unsigned int mode = MC13XXX_ADC_MODE_TS;
unsigned int channel = 12;
- if (mc13783_adc_do_conversion(priv->mc13783,
- mode, channel, priv->sample) == 0)
+ if (mc13xxx_adc_do_conversion(priv->mc13xxx,
+ mode, channel,
+ priv->touch->ato, priv->touch->atox,
+ priv->sample) == 0)
mc13783_ts_report_sample(priv);
}
@@ -134,21 +137,21 @@ static int mc13783_ts_open(struct input_dev *dev)
struct mc13783_ts_priv *priv = input_get_drvdata(dev);
int ret;
- mc13783_lock(priv->mc13783);
+ mc13xxx_lock(priv->mc13xxx);
- mc13783_irq_ack(priv->mc13783, MC13783_IRQ_TS);
+ mc13xxx_irq_ack(priv->mc13xxx, MC13XXX_IRQ_TS);
- ret = mc13783_irq_request(priv->mc13783, MC13783_IRQ_TS,
+ ret = mc13xxx_irq_request(priv->mc13xxx, MC13XXX_IRQ_TS,
mc13783_ts_handler, MC13783_TS_NAME, priv);
if (ret)
goto out;
- ret = mc13783_reg_rmw(priv->mc13783, MC13783_ADC0,
- MC13783_ADC0_TSMOD_MASK, MC13783_ADC0_TSMOD0);
+ ret = mc13xxx_reg_rmw(priv->mc13xxx, MC13XXX_ADC0,
+ MC13XXX_ADC0_TSMOD_MASK, MC13XXX_ADC0_TSMOD0);
if (ret)
- mc13783_irq_free(priv->mc13783, MC13783_IRQ_TS, priv);
+ mc13xxx_irq_free(priv->mc13xxx, MC13XXX_IRQ_TS, priv);
out:
- mc13783_unlock(priv->mc13783);
+ mc13xxx_unlock(priv->mc13xxx);
return ret;
}
@@ -156,11 +159,11 @@ static void mc13783_ts_close(struct input_dev *dev)
{
struct mc13783_ts_priv *priv = input_get_drvdata(dev);
- mc13783_lock(priv->mc13783);
- mc13783_reg_rmw(priv->mc13783, MC13783_ADC0,
- MC13783_ADC0_TSMOD_MASK, 0);
- mc13783_irq_free(priv->mc13783, MC13783_IRQ_TS, priv);
- mc13783_unlock(priv->mc13783);
+ mc13xxx_lock(priv->mc13xxx);
+ mc13xxx_reg_rmw(priv->mc13xxx, MC13XXX_ADC0,
+ MC13XXX_ADC0_TSMOD_MASK, 0);
+ mc13xxx_irq_free(priv->mc13xxx, MC13XXX_IRQ_TS, priv);
+ mc13xxx_unlock(priv->mc13xxx);
cancel_delayed_work_sync(&priv->work);
}
@@ -177,8 +180,14 @@ static int __init mc13783_ts_probe(struct platform_device *pdev)
goto err_free_mem;
INIT_DELAYED_WORK(&priv->work, mc13783_ts_work);
- priv->mc13783 = dev_get_drvdata(pdev->dev.parent);
+ priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
priv->idev = idev;
+ priv->touch = dev_get_platdata(&pdev->dev);
+ if (!priv->touch) {
+ dev_err(&pdev->dev, "missing platform data\n");
+ ret = -ENODEV;
+ goto err_free_mem;
+ }
/*
* We need separate workqueue because mc13783_adc_do_conversion
@@ -220,12 +229,10 @@ err_free_mem:
return ret;
}
-static int __devexit mc13783_ts_remove(struct platform_device *pdev)
+static int mc13783_ts_remove(struct platform_device *pdev)
{
struct mc13783_ts_priv *priv = platform_get_drvdata(pdev);
- platform_set_drvdata(pdev, NULL);
-
destroy_workqueue(priv->workq);
input_unregister_device(priv->idev);
kfree(priv);
@@ -234,24 +241,14 @@ static int __devexit mc13783_ts_remove(struct platform_device *pdev)
}
static struct platform_driver mc13783_ts_driver = {
- .remove = __devexit_p(mc13783_ts_remove),
+ .remove = mc13783_ts_remove,
.driver = {
.owner = THIS_MODULE,
.name = MC13783_TS_NAME,
},
};
-static int __init mc13783_ts_init(void)
-{
- return platform_driver_probe(&mc13783_ts_driver, &mc13783_ts_probe);
-}
-module_init(mc13783_ts_init);
-
-static void __exit mc13783_ts_exit(void)
-{
- platform_driver_unregister(&mc13783_ts_driver);
-}
-module_exit(mc13783_ts_exit);
+module_platform_driver_probe(mc13783_ts_driver, mc13783_ts_probe);
MODULE_DESCRIPTION("MC13783 input touchscreen driver");
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");