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V4L/DVB: pvrusb2: New feature to mark specific hardware support as experimental 

This adds a flag in the device attribute structure which can be used
to mark support for a particular device as experimental.  Any devices
flagged in this way, when encountered at run-time, will generate a
warning message to the kernel log.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Mike Isely 2010-05-15 00:13:35 -03:00 committed by Mauro Carvalho Chehab
parent 6861800c15
commit 8fd0444817
2 changed files with 18 additions and 0 deletions
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5
drivers/media/video/pvrusb2/pvrusb2-devattr.h
View File

@ -177,6 +177,11 @@ struct pvr2_device_desc {
unsigned int flag_has_composite:1; /* Has composite input */
unsigned int flag_has_svideo:1; /* Has s-video input */
unsigned int flag_fx2_16kb:1; /* 16KB FX2 firmware OK here */
/* If this driver is considered experimental, i.e. not all aspects
are working correctly and/or it is untested, mark that fact
with this flag. */
unsigned int flag_is_experimental:1;
};
extern struct usb_device_id pvr2_device_table[];

13
drivers/media/video/pvrusb2/pvrusb2-hdw.c
View File

@ -2459,6 +2459,19 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
hdw,hdw_desc->description);
pvr2_trace(PVR2_TRACE_INFO, "Hardware description: %s",
hdw_desc->description);
if (hdw_desc->flag_is_experimental) {
pvr2_trace(PVR2_TRACE_INFO, "**********");
pvr2_trace(PVR2_TRACE_INFO,
"WARNING: Support for this device (%s) is"
" experimental.", hdw_desc->description);
pvr2_trace(PVR2_TRACE_INFO,
"Important functionality might not be"
" entirely working.");
pvr2_trace(PVR2_TRACE_INFO,
"Please consider contacting the driver author to"
" help with further stabilization of the driver.");
pvr2_trace(PVR2_TRACE_INFO, "**********");
}
if (!hdw) goto fail;
init_timer(&hdw->quiescent_timer);