tree cecd828972d95c76e961c772d8de64d351ba86a1
parent 227ab8baa15bdd7a48acfb7b61c52a7a5eb87e72
author Arnd Bergmann <arnd@arndb.de> 1560769431 +0200
committer Mark Brown <broonie@kernel.org> 1560774921 +0100
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ASoC: rockchip: pdm: select CONFIG_RATIONAL

Without this, we get a link error:

sound/soc/rockchip/rockchip_pdm.o: In function `rockchip_pdm_hw_params':
rockchip_pdm.c:(.text+0x754): undefined reference to `rational_best_approximation'

Fixes: 624e8e00acaf ("ASoC: rockchip: pdm: fixup pdm fractional div")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>