ASoC: fsl_esai: Add freq check in set_dai_sysclk()
authorNicolin Chen <nicoleotsuka@gmail.com>
Mon, 9 Apr 2018 00:33:54 +0000 (17:33 -0700)
committerMark Brown <broonie@kernel.org>
Mon, 16 Apr 2018 12:04:40 +0000 (13:04 +0100)
commit8a2278b7fb3df67cd415c679ba1a0e5e4a1761a7
treed53889272ca23930fc49af307484cb228df55e13
parent728815e3feec751769b3a9fe406fbc529de7cdc0
ASoC: fsl_esai: Add freq check in set_dai_sysclk()

The freq parameter indicates the physical frequency of an actual
input clock or a desired frequency of an output clock for HCKT/R.
It should never be passed 0. This might cause Division-by-zero.

So this patch adds a check to fix it.

Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/fsl/fsl_esai.c