From: Jiri Kosina
Sent: Tuesday, September 22, 2009 9:33 AM

On Mon, 21 Sep 2009, Dmitry Torokhov wrote:

quoted

quoted

+	if (event & KP_INT) {
+		adp5520_read(dev->master, KP_INT_STAT_1, &reg_val_low);
+		adp5520_read(dev->master, KP_INT_STAT_2, &reg_val_high);
+
+		keymask = (reg_val_high << 8) | reg_val_low;
+		/* Read twice to clear */
+		adp5520_read(dev->master, KP_INT_STAT_1, &reg_val_low);
+		adp5520_read(dev->master, KP_INT_STAT_2, &reg_val_high);
+		keymask |= (reg_val_high << 8) | reg_val_low;
+		adp5520_keys_report_event(dev, keymask, 1);
+	}
+
+	if (event & KR_INT) {

Why do you check the same condition twice?

It actually doesn't seem to be the same condition (KP_INT vs. KR_INT), but
it's difficult to say, as these constants are apparently added in some
other patch I have no idea about.

KP Key-Press versus Key-Release 

And the same for other constants used in the code ... the patch seems to
be quite incomplete.

The missing constants are in include/linux/mfd/adp5520.h

This file was sent in a different patch, adding support for the Multi Function Device Core 
(drivers/mfd/adp5520.c)

-Michael

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--
Jiri Kosina
SUSE Labs, Novell Inc.

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