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Input: ff-core - use for_each_set_bit where appropriate

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Use for_each_set_bit to check for set bits in bitmap
as it is more efficient than checking individual bits.

Signed-off-by: Anshul Garg <aksgarg1989@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Anshul Garg 2015-07-08 16:43:20 -07:00 committed by Dmitry Torokhov
parent f23487cdbe
commit 948cea1448
1 changed files with 2 additions and 3 deletions
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5
drivers/input/ff-core.c
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@ -343,9 +343,8 @@ int input_ff_create(struct input_dev *dev, unsigned int max_effects)
__set_bit(EV_FF, dev->evbit);
/* Copy "true" bits into ff device bitmap */
for (i = 0; i <= FF_MAX; i++)
if (test_bit(i, dev->ffbit))
__set_bit(i, ff->ffbit);
for_each_set_bit(i, dev->ffbit, FF_CNT)
__set_bit(i, ff->ffbit);
/* we can emulate RUMBLE with periodic effects */
if (test_bit(FF_PERIODIC, ff->ffbit))