Input: ad7879 - consolidate PM methods

The PM methods are basically the same for SPI and I2C busses, so let's
use the same dev_pm_ops for both of them.

Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 15 insertions, 4 deletions

diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index 76f5cb4e6ea9..dce60b816b58 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -280,8 +280,11 @@ static void ad7879_close(struct input_dev* input)
                 __ad7879_disable(ts);
 }
 
-void ad7879_suspend(struct ad7879 *ts)
+#ifdef CONFIG_PM_SLEEP
+static int ad7879_suspend(struct device *dev)
 {
+        struct ad7879 *ts = dev_get_drvdata(dev);
+
         mutex_lock(&ts->input->mutex);
 
         if (!ts->suspended && !ts->disabled && ts->input->users)
@@ -290,11 +293,14 @@ void ad7879_suspend(struct ad7879 *ts)
         ts->suspended = true;
 
         mutex_unlock(&ts->input->mutex);
+
+        return 0;
 }
-EXPORT_SYMBOL(ad7879_suspend);
 
-void ad7879_resume(struct ad7879 *ts)
+static int ad7879_resume(struct device *dev)
 {
+        struct ad7879 *ts = dev_get_drvdata(dev);
+
         mutex_lock(&ts->input->mutex);
 
         if (ts->suspended && !ts->disabled && ts->input->users)
@@ -303,8 +309,13 @@ void ad7879_resume(struct ad7879 *ts)
         ts->suspended = false;
 
         mutex_unlock(&ts->input->mutex);
+
+        return 0;
 }
-EXPORT_SYMBOL(ad7879_resume);
+#endif
+
+SIMPLE_DEV_PM_OPS(ad7879_pm_ops, ad7879_suspend, ad7879_resume);
+EXPORT_SYMBOL(ad7879_pm_ops);
 
 static void ad7879_toggle(struct ad7879 *ts, bool disable)
 {