Unlike in snd_emu10k1_ptr_write(), we don't need to keep the value's bits in place, so we can save one shift.
Signed-off-by: Oswald Buddenhagen oswald.buddenhagen@gmx.de --- sound/pci/emu10k1/io.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c index 2d6bbb77c961..59b0f4d08c6b 100644 --- a/sound/pci/emu10k1/io.c +++ b/sound/pci/emu10k1/io.c @@ -50,9 +50,9 @@ unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, un size = (reg >> 24) & 0x3f; offset = (reg >> 16) & 0x1f; - mask = ((1 << size) - 1) << offset; + mask = (1 << size) - 1; - return (val & mask) >> offset; + return (val >> offset) & mask; } else { return val; }