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

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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>
This commit is contained in:
Mike Isely 2008-03-28 05:30:48 -03:00 committed by Mauro Carvalho Chehab
parent 98e184d978
commit 38d9a2cf2d
1 changed files with 1 additions and 1 deletions
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drivers/media/video/pvrusb2/pvrusb2-hdw.c
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@ -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)) {