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[media] smiapp: Verify clock frequency after setting it, prevent changing it
authorSakari Ailus <sakari.ailus@linux.intel.com>
Tue, 29 Aug 2017 12:41:23 +0000 (09:41 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Wed, 4 Oct 2017 20:24:11 +0000 (17:24 -0300)
commitf689866aec08f00efc4a098d14b3a17ec8a9193b
tree787de1cea40e5311c52b96afaa637de0d7a063bbtree | snapshot
parentd339ec6a4261c030d8fdea75625c925f33549a2ecommit | diff
[media] smiapp: Verify clock frequency after setting it, prevent changing it

The external clock frequency was set by the driver but the obtained
frequency was never verified. Do that.

Being able to obtain the exact frequency is important as the value is used
for PLL calculations which may result in frequencies that violate the PLL
tree limits.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/i2c/smiapp/smiapp-core.c diff | blob | history
Domain: System / Kernel;