linux-kernel - [PATCH 0/5] Input: serio_raw - add monitor/replay debugging interface

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Message-Id: <1328671497-20880-1-git-send-email-clchiou@chromium.org>
Date:	Wed,  8 Feb 2012 11:24:52 +0800
From:	Che-Liang Chiou <clchiou@...omium.org>
To:	linux-kernel@...r.kernel.org
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, Che-Liang Chiou <clchiou@...omium.org>
Subject: [PATCH 0/5] Input: serio_raw - add monitor/replay debugging interface

The serio_raw driver is designed to provide "raw access" to mice, keyboards
etc; thus, a driver accessing serio_raw may live entirely in userland.

However, serio_raw lacks testability.  It is practically impossible to do
regression tests on changes to a serio_raw -based userland driver.  On the other
hand, the kernel's input subsystem has good testability support.  With the help
of tools like utouch-evemu, we may capture and replay input events for evdev
drivers in regression tests.

This patchset contains extensions to the serio_raw driver which add debugfs
entries for monitoring and replaying byte sequence between a userland driver
and device.  These byte sequences can be used in regression tests of the
userland driver.  This patchset closes the gap between serio_raw and the input
subsystem regarding testability.

This patchset is successfully applied on kernel version 3.3-rc2.

Che-Liang Chiou (5):
  Input: serio_raw - return proper result when serio_raw_read fails
  Input: serio_raw - extract queue interface
  Input: serio_raw - factor out common pattern of write
  Input: serio_raw - add debugfs interface
  Input: serio_raw - implement debugfs interface

 drivers/input/serio/serio_raw.c |  394 +++++++++++++++++++++++++++++++++------
 1 files changed, 337 insertions(+), 57 deletions(-)

-- 
1.7.7.3

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