ALSA: emu10k1: remove redundant variable attn

Variable attn is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'attn' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Colin Ian King 2018-08-01 11:47:36 +01:00 • committed by Takashi Iwai
commit de42b4b96e