From: Antonio Ospite <ao2@ao2.it>
Date: Tue, 27 Feb 2018 22:42:32 +0000 (+0100)
Subject: am7xxx-play: remove any usage of ENOTSUP
X-Git-Tag: v0.1.7~15
X-Git-Url: https://git.ao2.it/libam7xxx.git/commitdiff_plain/18978589ed6ae1ddef52ae892b2c224b545ec29a?ds=sidebyside;hp=18978589ed6ae1ddef52ae892b2c224b545ec29a

am7xxx-play: remove any usage of ENOTSUP

There's really no need to use ENOTSUP here, the return value is not
checked against the specific value, but just for the sign.

Replacing it with EINVAL makes the code more aligned with the other
error paths and also allows to remove a conditional define.
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