[PATCH] Input: Optimize Auto Repeat Loop
From: Anshul Garg <hidden>
Date: 2015-01-05 16:13:29
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2015-01-08 · Re: [PATCH] Input: Optimize Auto Repeat Loop · Dmitry Torokhov <dmitry.torokhov@gmail.com>
- 2015-01-08 · [PATCH] Input: Optimize Auto Repeat Loop · Anshul Garg <hidden>
From: Anshul Garg <redacted> As input_pass_values function is called everytime when EV_SYN is sent from input driver or input event buffer becomes full. So avoid running auto repeat code if input device doesn't support EV_KEY and EV_REP event type. Signed-off-by: Anshul Garg <redacted> --- drivers/input/input.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 213e3a1..601171b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c@@ -152,12 +152,14 @@ static void input_pass_values(struct input_dev *dev, add_input_randomness(vals->type, vals->code, vals->value); /* trigger auto repeat for key events */ - for (v = vals; v != vals + count; v++) { - if (v->type == EV_KEY && v->value != 2) { - if (v->value) - input_start_autorepeat(dev, v->code); - else - input_stop_autorepeat(dev); + if (test_bit(EV_KEY, dev->evbit) && test_bit(EV_REP, dev->evbit)) { + for (v = vals; v != vals + count; v++) { + if (v->type == EV_KEY && v->value != 2) { + if (v->value) + input_start_autorepeat(dev, v->code); + else + input_stop_autorepeat(dev); + } } } }
--
1.7.9.5
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