media: omap3isp: Prevent enabling CCDC when stopping streaming

Commit ... prevented restarting CCDC through its interrupt handler when
it's about to be disabled. It missed to address the case when CCDC might
be enabled due to queueing a buffer. Do that now.

Fixes: dd12ed17ce9e ("omap3isp: Don't restart CCDC if we're about to stop")

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/platform/omap3isp/ispccdc.c b/drivers/media/platform/omap3isp/ispccdc.c
index 471ae7c..0fbb2aa 100644 (file)
--- a/drivers/media/platform/omap3isp/ispccdc.c
+++ b/drivers/media/platform/omap3isp/ispccdc.c
@@ -1312,6 +1312,10 @@ static void __ccdc_enable(struct isp_ccdc_device *ccdc, int enable)
 {
        struct isp_device *isp = to_isp_device(ccdc);
 
+       /* Avoid restarting the CCDC when streaming is stopping. */
+       if (enable && ccdc->stopping & CCDC_STOP_REQUEST)
+               return;
+
        isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_PCR,
                        ISPCCDC_PCR_EN, enable ? ISPCCDC_PCR_EN : 0);