From: Mike Isely <isely@pobox.com>
Date: Fri, 28 Mar 2008 08:30:48 +0000 (-0300)
Subject: V4L/DVB (7696): pvrusb2: state control tweak
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=38d9a2cf2db30b37dde81ec5f8b4de0fd9843ccc;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

V4L/DVB (7696): pvrusb2: state control tweak

Don't trigger a pathway state change if it's already been triggered
(eliminates some wasted processing and some debug output noise)

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 6a820b713fec..307a38d91c85 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -2401,7 +2401,7 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw)
 		}
 	}
 
-	if (hdw->input_dirty &&
+	if (hdw->input_dirty && hdw->state_pathway_ok &&
 	    (((hdw->input_val == PVR2_CVAL_INPUT_DTV) ?
 	      PVR2_PATHWAY_DIGITAL : PVR2_PATHWAY_ANALOG) !=
 	     hdw->pathway_state)) {