diff options
| author | Tai-hwa Liang <avatar@sentelic.com> | 2009-05-10 18:15:39 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-08-19 21:46:09 -0700 |
| commit | fc69f4a6af49ee69475dc4217924d9edf77760e0 (patch) | |
| tree | 2b200846dc0848e8fa85f439d9a1c98652356348 /drivers/input/serio | |
| parent | 3b72094409ab673d096b3852f4636be540780faf (diff) | |
| download | lwn-fc69f4a6af49ee69475dc4217924d9edf77760e0.tar.gz lwn-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')
| -rw-r--r-- | drivers/input/serio/libps2.c | 15 |
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); |