From cd9978f1d3dbb9596a7ab9c652cb0d9b355489b5 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Mon, 29 Dec 2014 19:41:43 +0100
Subject: [PATCH] ALSA: pcm: Simplify params_period_bytes()

The hw_params struct has a parameter that contains the period size in bytes.
This can be used instead of deriving the value from other parameters. This
is similar to e.g. params_buffer_bytes()

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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