Commit 62f09c3d authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Jaroslav Kysela
Browse files

[ALSA] usb-audio: optimize snd_usbmidi_count_bits() 



Modules: USB generic driver

Reduce the code size of the snd_usbmidi_count_bits() function by using
simpler operations.

Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
parent 62c5549e

sound/usb/usbmidi.c

+3 −3
Original line number Diff line number Diff line
@@ -871,10 +871,10 @@ static int snd_usbmidi_in_endpoint_create(struct snd_usb_midi* umidi, 


static unsigned int snd_usbmidi_count_bits(unsigned int x)

{

	unsigned int bits = 0;

	unsigned int bits;



	for (; x; x >>= 1)

		bits += x & 1;

	for (bits = 0; x; ++bits)

		x &= x - 1;

	return bits;

}