tree 2c29f2c7493d32844603cccf2c9ce5e7c01e3858
parent daa480bde6b3a9b728965e52efffc329ccee3f77
author Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 1565141468 +0900
committer Mark Brown <broonie@kernel.org> 1565294214 +0100
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ASoC: soc-core: tidyup for snd_soc_add_card_controls()

snd_soc_add_card_controls() registers controls by using
for(... i < num; ...). If controls was NULL, num should be zero.
Thus, we don't need to check about controls pointer.
This patch also cares missing return value.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87blx1ahoi.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>