Remove trailing whitespace

Author: gdamjan

Makefile

@@ -22,7 +22,7 @@ endif
 ifeq ($(FORCE_IO),1)
 THINKPAD_EC_PARAM := force_io=1
 else
-THINKPAD_EC_PARAM := 
+THINKPAD_EC_PARAM :=
 endif
 
 DEBUG := 0

README

@@ -10,16 +10,16 @@ List:    linux-thinkpad@linux-thinkpad.org
 Description
 -----------
 
-ThinkPad laptops include a proprietary interface called SMAPI BIOS 
+ThinkPad laptops include a proprietary interface called SMAPI BIOS
 (System Management Application Program Interface) which provides some
 hardware control functionality that is not accessible by other means.
 
-This driver exposes some features of the SMAPI BIOS through a sysfs 
-interface. It is suitable for newer models, on which SMAPI is invoked 
-through IO port writes. Older models use a different SMAPI interface; 
+This driver exposes some features of the SMAPI BIOS through a sysfs
+interface. It is suitable for newer models, on which SMAPI is invoked
+through IO port writes. Older models use a different SMAPI interface;
 for those, try the "thinkpad" module from the "tpctl" package.
 
-WARNING: 
+WARNING:
 This driver uses undocumented features and direct hardware access.
 It thus cannot be guaranteed to work, and may cause arbitrary damage
 (especially on models it wasn't tested on).
@@ -63,7 +63,7 @@ To delete all autogenerated files:
 
 Append "DEBUG=1" to "make load" to load tp_smapi with debug=1.
 
-The original kernel tree is never modified by any these commands. 
+The original kernel tree is never modified by any these commands.
 The /lib/modules directory is modified only by "make install".
 
 
@@ -73,7 +73,7 @@ Module parameters
 thinkpad_ec module:
   force_io=1 lets thinkpad_ec load on some recent ThinkPad models
   (e.g., T400 and T500) whose BIOS's ACPI DSDT reserves the ports we need.
-tp_smapi module: 
+tp_smapi module:
   debug=1    enables verbose dmesg output.
 
 
@@ -87,9 +87,9 @@ capacity):
 # echo 70 > /sys/devices/platform/smapi/BAT0/stop_charge_thresh
 # cat /sys/devices/platform/smapi/BAT0/*_charge_thresh
 
-    (This is useful since Li-Ion batteries wear out much faster at very 
-     high or low charge levels. The driver will also keeps the thresholds 
-     across suspend-to-disk with AC disconnected; this isn't done 
+    (This is useful since Li-Ion batteries wear out much faster at very
+     high or low charge levels. The driver will also keeps the thresholds
+     across suspend-to-disk with AC disconnected; this isn't done
      automatically by the hardware.)
 
 Inhibiting battery charging for 17 minutes (overrides thresholds):
@@ -98,7 +98,7 @@ Inhibiting battery charging for 17 minutes (overrides thresholds):
 # echo 0  > /sys/devices/platform/smapi/BAT0/inhibit_charge_minutes  # stop
 # cat /sys/devices/platform/smapi/BAT0/inhibit_charge_minutes
 
-    (This can be used to control which battery is charged when using an 
+    (This can be used to control which battery is charged when using an
      Ultrabay battery.)
 
 Forcing battery discharging even if AC power available:
@@ -149,7 +149,7 @@ The BAT0/group{0,1,2,3}_voltage attribute refers to the separate cell groups
 in each battery. For example, on the ThinkPad 600, X3x, T4x and R5x models,
 the battery contains 3 cell groups in series, where each group consisting of 2
 or 3 cells  connected in parallel. The voltage of each group is given by these
-attributes, and their sum (roughly) equals the "voltage" attribute. 
+attributes, and their sum (roughly) equals the "voltage" attribute.
 (The effective performance of the battery is determined by the weakest group,
 i.e., the one those voltage changes most rapidly during dis/charging.)
 
@@ -187,19 +187,19 @@ Works (at least partially) on the following ThinkPad model:
 Not all functions are available on all models; for detailed status, see:
   http://thinkwiki.org/wiki/tp_smapi
 
-Please report success/failure by e-mail or on the Wiki. 
-If you get a "not implemented" or "not supported" message, your laptop 
+Please report success/failure by e-mail or on the Wiki.
+If you get a "not implemented" or "not supported" message, your laptop
 probably just can't do that (at least not via the SMAPI BIOS).
 For negative reports, follow the bug reporting guidelines below.
-If you send me the necessary technical data (i.e., SMAPI function 
+If you send me the necessary technical data (i.e., SMAPI function
 interfaces), I will support additional models.
 
 
 Conflict with HDAPS
 -------------------
 
 The extended battery status function conflicts with the "hdaps" kernel module
-(they use the same IO ports). 
+(they use the same IO ports).
 
 You can use HDAPS=1 (see Installation) to get a patched version of hdaps which
 is compatible with tp_smapi.
@@ -313,12 +313,12 @@ Makefile
 tp_smapi.c
   tp_smapi driver module (main code).
 thinkpad_ec.*
-  thinkpad_ec driver module (coordinates hardware access between tp_smapi and 
+  thinkpad_ec driver module (coordinates hardware access between tp_smapi and
   hdaps)
 hdaps.c
   Modified version of hdaps.c driver from mainline kernel, patched to use
   thinkpad_ec and several other improvements.
-diff/*  (excluding above)    
+diff/*  (excluding above)
   Used by "make patch" to create a clean stand-alone patch.
 include/
   Contains a symlink to make gcc happy in kernel builds.
@@ -338,18 +338,18 @@ For hints about what may be possible via the SMAPI BIOS and how, see:
 
 Note that in the above Technical Reference and in the "thinkpad" module,
 SMAPI is invoked through a function call to some physical address. However,
-the interface used by tp_smapi and the above mwave drive, and apparently 
-required by newer ThinkPad, is different: you set the parameters up in the 
+the interface used by tp_smapi and the above mwave drive, and apparently
+required by newer ThinkPad, is different: you set the parameters up in the
 CPU's registers and write to ports 0xB2 (the APM control port) and 0x4F; this
 triggers an SMI (System Management Interrupt), causing the CPU to enter
-SMM (System Management Mode) and run the BIOS firmware; the results are 
-returned in the CPU's registers. It is not clear what is the relation between 
-the two variants of SMAPI, though the assignment of error codes seems to be 
+SMM (System Management Mode) and run the BIOS firmware; the results are
+returned in the CPU's registers. It is not clear what is the relation between
+the two variants of SMAPI, though the assignment of error codes seems to be
 similar.
 
-In addition, the embedded controller on ThinkPad laptops has a non-standard 
+In addition, the embedded controller on ThinkPad laptops has a non-standard
 interface at IO ports 0x1600-0x161F (mapped to LCP channel 3 of the H8S chip).
-The interface provides various system management services (currently known: 
+The interface provides various system management services (currently known:
 battery information and accelerometer readouts). For more information see the
 thinkpad_ec module and the H8S hardware documentation:
 http://documentation.renesas.com/eng/products/mpumcu/rej09b0300_2140bhm.pdf

TODO

@@ -3,11 +3,11 @@ Ideas for improvement
 (The best way to get these done is to send a patch.)
 
 Don't create /sys files for unsupported functions, and don't access those
-functions on suspend+resume (requires probing on module load or a huge 
+functions on suspend+resume (requires probing on module load or a huge
 white/blacklist).
 
 Make inhibit_charge_minutes return the time left, not the time originally
-set (as returned by the SMAPI BIOS). Requires remembering when 
+set (as returned by the SMAPI BIOS). Requires remembering when
 inhibit_charge_minutes was set and comparing to current time.
 
 Save and and restore inhibit_charge_minutes across suspend-to-disk, as done