[media] atmel-isi: add runtime pm support
The runtime pm resume/suspend will enable/disable pclk (ISI peripheral clock). We have to call runtime_pm_get_sync()/runtime_pm_put() when we need to access ISI registers. In atmel_isi_probe(), remove the isi disable code as at that moment ISI peripheral clock is not enable yet. Besides, clock_start()/clock_stop() is used to control the mclk, not the ISI peripheral clock. So move this to start[stop]_streaming() function. Signed-off-by: Josh Wu <josh.wu@atmel.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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