From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Wed, 4 Jun 2014 06:25:33 +0000 (+0900)
Subject: ALSA: fireworks: Use safer way to arrange ring buffer pointer
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~21^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf44a136c062098b099a44698291e50c5bfdce2e;p=pandora-kernel.git

ALSA: fireworks: Use safer way to arrange ring buffer pointer

To reverse a pointer for the ring buffer, subtraction by buffer
size is better than assignment to the beginning of the buffer.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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