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

[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
......@@ -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;
}
......
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