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V4L/DVB (11166): pvrusb2: Implement status fetching from sub-devices

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Implement status fetching operations in terms of calling out to
sub-device(s).

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 00:08:17 -03:00 committed by Mauro Carvalho Chehab
parent d8f5b9ba82
commit 40f07111be
2 changed files with 14 additions and 8 deletions
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14
drivers/media/video/pvrusb2/pvrusb2-hdw.c
View file

@ -4816,7 +4816,21 @@ int pvr2_hdw_gpio_chg_out(struct pvr2_hdw *hdw,u32 msk,u32 val)
void pvr2_hdw_status_poll(struct pvr2_hdw *hdw)
{
struct v4l2_tuner *vtp = &hdw->tuner_signal_info;
memset(vtp, 0, sizeof(*vtp));
pvr2_i2c_core_status_poll(hdw);
/* Note: There apparently is no replacement for VIDIOC_CROPCAP
using v4l2-subdev - therefore we can't support that AT ALL right
now. (Of course, no sub-drivers seem to implement it either.
But now it's a a chicken and egg problem...) */
v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, g_tuner,
&hdw->tuner_signal_info);
pvr2_trace(PVR2_TRACE_CHIPS, "client status poll"
" type=%u strength=%u audio=0x%x cap=0x%x"
" low=%u hi=%u",
vtp->type,
vtp->signal, vtp->rxsubchans, vtp->capability,
vtp->rangelow, vtp->rangehigh);
}

8
drivers/media/video/pvrusb2/pvrusb2-i2c-track.c
View file

@ -112,20 +112,12 @@ void pvr2_i2c_core_status_poll(struct pvr2_hdw *hdw)
{
struct pvr2_i2c_client *cp;
mutex_lock(&hdw->i2c_list_lock); do {
struct v4l2_tuner *vtp = &hdw->tuner_signal_info;
memset(vtp,0,sizeof(*vtp));
list_for_each_entry(cp, &hdw->i2c_clients, list) {
if (!cp->detected_flag) continue;
if (!cp->status_poll) continue;
cp->status_poll(cp);
}
hdw->tuner_signal_stale = 0;
pvr2_trace(PVR2_TRACE_CHIPS,"i2c status poll"
" type=%u strength=%u audio=0x%x cap=0x%x"
" low=%u hi=%u",
vtp->type,
vtp->signal,vtp->rxsubchans,vtp->capability,
vtp->rangelow,vtp->rangehigh);
} while (0); mutex_unlock(&hdw->i2c_list_lock);
}