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authorTai-hwa Liang <avatar@sentelic.com>2009-05-10 18:15:39 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-08-19 21:46:09 -0700
commitfc69f4a6af49ee69475dc4217924d9edf77760e0 (patch)
tree2b200846dc0848e8fa85f439d9a1c98652356348 /drivers/input/serio/libps2.c
parentInput: psmouse - allow defining read-only attributes (diff)
downloadlinux-dev-fc69f4a6af49ee69475dc4217924d9edf77760e0.tar.xz
linux-dev-fc69f4a6af49ee69475dc4217924d9edf77760e0.zip
Input: add new driver for Sentelic Finger Sensing Pad
This is the driver for Sentelic Finger Sensing Pad which can be found on MSI WIND Netbook. Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/serio/libps2.c')
-rw-r--r--drivers/input/serio/libps2.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index be5bbbb8ae4e..3a95b508bf27 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -161,7 +161,7 @@ static int ps2_adjust_timeout(struct ps2dev *ps2dev, int command, int timeout)
* ps2_command() can only be called from a process context
*/
-int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
+int __ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
{
int timeout;
int send = (command >> 12) & 0xf;
@@ -179,8 +179,6 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
return -1;
}
- mutex_lock(&ps2dev->cmd_mutex);
-
serio_pause_rx(ps2dev->serio);
ps2dev->flags = command == PS2_CMD_GETID ? PS2_FLAG_WAITID : 0;
ps2dev->cmdcnt = receive;
@@ -231,7 +229,18 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
ps2dev->flags = 0;
serio_continue_rx(ps2dev->serio);
+ return rc;
+}
+EXPORT_SYMBOL(__ps2_command);
+
+int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
+{
+ int rc;
+
+ mutex_lock(&ps2dev->cmd_mutex);
+ rc = __ps2_command(ps2dev, param, command);
mutex_unlock(&ps2dev->cmd_mutex);
+
return rc;
}
EXPORT_SYMBOL(ps2_command);