From 5ceaad14eac97662afd4ed1dddf343cfb322caa3 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sat, 7 Mar 2009 00:01:20 -0300 Subject: [PATCH] V4L/DVB (11163): pvrusb2: Lay foundation for triggering sub-device updates These changes set up the spot where we'll check for and set general updates to any attached sub-devices. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 25 ++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index c764f360a774..4c24028856a3 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -2839,6 +2839,14 @@ static const char *get_ctrl_typename(enum pvr2_ctl_type tp) } +/* Execute whatever commands are required to update the state of all the + sub-devices so that it matches our current control values. */ +static void pvr2_subdev_update(struct pvr2_hdw *hdw) +{ + /* ????? */ +} + + /* Figure out if we need to commit control changes. If so, mark internal state flags to indicate this fact and return true. Otherwise do nothing else and return false. */ @@ -3009,12 +3017,6 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) the client drivers in order to keep everything in sync */ pvr2_i2c_core_check_stale(hdw); - for (idx = 0; idx < hdw->control_cnt; idx++) { - cptr = hdw->controls + idx; - if (!cptr->info->clear_dirty) continue; - cptr->info->clear_dirty(cptr); - } - if (hdw->active_stream_type != hdw->desired_stream_type) { /* Handle any side effects of stream config here */ hdw->active_stream_type = hdw->desired_stream_type; @@ -3034,6 +3036,15 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) } } + for (idx = 0; idx < hdw->control_cnt; idx++) { + cptr = hdw->controls + idx; + if (!cptr->info->clear_dirty) continue; + cptr->info->clear_dirty(cptr); + } + + /* Check and update state for all sub-devices. */ + pvr2_subdev_update(hdw); + /* Now execute i2c core update */ pvr2_i2c_core_sync(hdw); @@ -3190,8 +3201,8 @@ void pvr2_hdw_trigger_module_log(struct pvr2_hdw *hdw) { int nr = pvr2_hdw_get_unit_number(hdw); LOCK_TAKE(hdw->big_lock); do { - hdw->log_requested = !0; printk(KERN_INFO "pvrusb2: ================= START STATUS CARD #%d =================\n", nr); + hdw->log_requested = !0; pvr2_i2c_core_check_stale(hdw); pvr2_i2c_core_sync(hdw); hdw->log_requested = 0; -- 2.20.1