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Subject[PATCH] Input: mousedev - Fix mousedev_poll() to advertise when /dev/input/mice is writable.
Date
The Microsoft ImPS/2 mouse protocol being bidirectionnal (sic)
one may have to write in /dev/input/mice; and that works better
if select() does not hang.

Signed-off-by: Julien Moutinho <julm+linux@savines.alpes.fr.eu.org>
---
drivers/input/mousedev.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index f34b22b..1f67b8f 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -768,7 +768,8 @@ static unsigned int mousedev_poll(struct file *file, poll_table *wait)

poll_wait(file, &mousedev->wait, wait);
return ((client->ready || client->buffer) ? (POLLIN | POLLRDNORM) : 0) |
- (mousedev->exist ? 0 : (POLLHUP | POLLERR));
+ (mousedev->exist ?
+ (POLLOUT | POLLWRNORM) : (POLLHUP | POLLERR));
}

static const struct file_operations mousedev_fops = {
--
1.7.1


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