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V4L/DVB (11183): pvrusb2: Implement more sub-device loading trace and improve error handling

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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 00:56:52 -03:00 committed by Mauro Carvalho Chehab
parent 634ba268b9
commit bd14d4f8f4
1 changed files with 24 additions and 2 deletions
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26
drivers/media/video/pvrusb2/pvrusb2-hdw.c
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@ -2009,6 +2009,10 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
hdw->hdw_desc->description);
return -EINVAL;
}
pvr2_trace(PVR2_TRACE_INIT,
"Module ID %u (%s) for device %s being loaded...",
mid, fname,
hdw->hdw_desc->description);
i2ccnt = pvr2_copy_i2c_addr_list(i2caddr, cd->i2c_address_list,
ARRAY_SIZE(i2caddr));
@ -2017,6 +2021,12 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
/* Second chance: Try default i2c address list */
i2ccnt = pvr2_copy_i2c_addr_list(i2caddr, p,
ARRAY_SIZE(i2caddr));
if (i2ccnt) {
pvr2_trace(PVR2_TRACE_INIT,
"Module ID %u:"
" Using default i2c address list",
mid);
}
}
if (!i2ccnt) {
@ -2035,10 +2045,18 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
* "chipid" appears to just be the module name again. So here we
* just do the same thing. */
if (i2ccnt == 1) {
pvr2_trace(PVR2_TRACE_INIT,
"Module ID %u:"
" Setting up with specified i2c address 0x%x",
mid, i2caddr[0]);
sd = v4l2_i2c_new_subdev(&hdw->i2c_adap,
fname, fname,
i2caddr[0]);
} else {
pvr2_trace(PVR2_TRACE_INIT,
"Module ID %u:"
" Setting up with address probe list",
mid);
sd = v4l2_i2c_new_probed_subdev(&hdw->i2c_adap,
fname, fname,
i2caddr);
@ -2061,7 +2079,7 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
aid, in normal situations there's no reason for both mechanisms
to be enabled. */
pvr2_i2c_untrack_subdev(hdw, sd);
pvr2_trace(PVR2_TRACE_INIT, "Attached sub-driver %s", fname);
pvr2_trace(PVR2_TRACE_INFO, "Attached sub-driver %s", fname);
/* client-specific setup... */
@ -2081,6 +2099,10 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
up.
*/
struct v4l2_format fmt;
pvr2_trace(PVR2_TRACE_INIT,
"Module ID %u:"
" Executing cx25840 VBI hack",
mid);
memset(&fmt, 0, sizeof(fmt));
fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
v4l2_device_call_all(&hdw->v4l2_dev, mid,
@ -2111,7 +2133,7 @@ static void pvr2_hdw_load_modules(struct pvr2_hdw *hdw)
ct = &hdw->hdw_desc->client_table;
for (idx = 0; idx < ct->cnt; idx++) {
if (!pvr2_hdw_load_subdev(hdw, &ct->lst[idx])) okFl = 0;
if (pvr2_hdw_load_subdev(hdw, &ct->lst[idx]) < 0) okFl = 0;
}
if (!okFl) pvr2_hdw_render_useless(hdw);
}