From d8f5b9ba82482cab344c2d54c2c487b607e34864 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sat, 7 Mar 2009 00:05:00 -0300 Subject: [PATCH] V4L/DVB (11165): pvrusb2: Tie in debug register access to sub-devices Implement tie-in for v4l2 debug register access such that the appropriate attached sub-device is handled. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 9669d6a4fb9..4e50e7bc574 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -4925,7 +4925,10 @@ int pvr2_hdw_register_access(struct pvr2_hdw *hdw, req.match = *match; req.reg = reg_id; if (setFl) req.val = *val_ptr; - mutex_lock(&hdw->i2c_list_lock); do { + /* It would be nice to know if a sub-device answered the request */ + v4l2_device_call_all(&hdw->v4l2_dev, 0, core, g_register, &req); + if (!setFl) *val_ptr = req.val; + if (!okFl) mutex_lock(&hdw->i2c_list_lock); do { list_for_each_entry(cp, &hdw->i2c_clients, list) { if (!v4l2_chip_match_i2c_client( cp->client, -- 2.41.0