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V4L/DVB (11163): pvrusb2: Lay foundation for triggering sub-device updates

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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 <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mike Isely 2009-03-07 00:01:20 -03:00 • committed by Mauro Carvalho Chehab
parent 446dfdc6cc
commit 5ceaad14ea
1 changed files with 18 additions and 7 deletions
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25
drivers/media/video/pvrusb2/pvrusb2-hdw.c
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@ -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 /* 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 state flags to indicate this fact and return true. Otherwise do nothing
else and return false. */ 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 */ the client drivers in order to keep everything in sync */
pvr2_i2c_core_check_stale(hdw); 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) { if (hdw->active_stream_type != hdw->desired_stream_type) {
/* Handle any side effects of stream config here */ /* Handle any side effects of stream config here */
hdw->active_stream_type = hdw->desired_stream_type; 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 */ /* Now execute i2c core update */
pvr2_i2c_core_sync(hdw); 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); int nr = pvr2_hdw_get_unit_number(hdw);
LOCK_TAKE(hdw->big_lock); do { LOCK_TAKE(hdw->big_lock); do {
hdw->log_requested = !0;
printk(KERN_INFO "pvrusb2: ================= START STATUS CARD #%d =================\n", nr); printk(KERN_INFO "pvrusb2: ================= START STATUS CARD #%d =================\n", nr);
hdw->log_requested = !0;
pvr2_i2c_core_check_stale(hdw); pvr2_i2c_core_check_stale(hdw);
pvr2_i2c_core_sync(hdw); pvr2_i2c_core_sync(hdw);
hdw->log_requested = 0; hdw->log_requested = 0;