summaryrefslogtreecommitdiff
path: root/drivers/input/touchscreen/wm97xx-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/touchscreen/wm97xx-core.c')
-rw-r--r--drivers/input/touchscreen/wm97xx-core.c56
1 files changed, 55 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index 39869ffdc4fa..fd714ee881f7 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -44,6 +44,7 @@
#include <linux/pm.h>
#include <linux/interrupt.h>
#include <linux/bitops.h>
+#include <linux/mfd/wm97xx.h>
#include <linux/workqueue.h>
#include <linux/wm97xx.h>
#include <linux/uaccess.h>
@@ -766,6 +767,39 @@ static int wm97xx_remove(struct device *dev)
return 0;
}
+static int wm97xx_mfd_probe(struct platform_device *pdev)
+{
+ struct wm97xx *wm;
+ struct wm97xx_platform_data *mfd_pdata = dev_get_platdata(&pdev->dev);
+ int ret;
+
+ wm = devm_kzalloc(&pdev->dev, sizeof(struct wm97xx), GFP_KERNEL);
+ if (!wm)
+ return -ENOMEM;
+
+ wm->dev = &pdev->dev;
+ wm->ac97 = mfd_pdata->ac97;
+
+ ret = _wm97xx_probe(wm);
+ if (ret)
+ return ret;
+
+ ret = wm97xx_add_battery(wm, mfd_pdata->batt_pdata);
+ if (ret < 0)
+ goto batt_err;
+
+ return ret;
+
+batt_err:
+ wm97xx_unregister_touch(wm);
+ return ret;
+}
+
+static int wm97xx_mfd_remove(struct platform_device *pdev)
+{
+ return wm97xx_remove(&pdev->dev);
+}
+
static int __maybe_unused wm97xx_suspend(struct device *dev)
{
struct wm97xx *wm = dev_get_drvdata(dev);
@@ -862,21 +896,41 @@ EXPORT_SYMBOL_GPL(wm97xx_unregister_mach_ops);
static struct device_driver wm97xx_driver = {
.name = "wm97xx-ts",
+#ifdef CONFIG_AC97_BUS
.bus = &ac97_bus_type,
+#endif
.owner = THIS_MODULE,
.probe = wm97xx_probe,
.remove = wm97xx_remove,
.pm = &wm97xx_pm_ops,
};
+static struct platform_driver wm97xx_mfd_driver = {
+ .driver = {
+ .name = "wm97xx-ts",
+ .pm = &wm97xx_pm_ops,
+ },
+ .probe = wm97xx_mfd_probe,
+ .remove = wm97xx_mfd_remove,
+};
+
static int __init wm97xx_init(void)
{
- return driver_register(&wm97xx_driver);
+ int ret;
+
+ ret = platform_driver_register(&wm97xx_mfd_driver);
+ if (ret)
+ return ret;
+
+ if (IS_BUILTIN(CONFIG_AC97_BUS))
+ ret = driver_register(&wm97xx_driver);
+ return ret;
}
static void __exit wm97xx_exit(void)
{
driver_unregister(&wm97xx_driver);
+ platform_driver_unregister(&wm97xx_mfd_driver);
}
module_init(wm97xx_init);