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authorPierre Willenbrock <pierre@pirsoft.dnsalias.org>2007-03-15 13:24:29 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-04-27 15:44:54 -0300
commit59069e53a27605d14a1a693683a45de837ee7521 (patch)
tree2b0a1ac5799638a8565082a32cc15b5cf0fc14ca /drivers/media/dvb
parent7d1d4e6c58243614c38ad516a5acfd1af096ba9b (diff)
V4L/DVB (5449): M920x: add error messages for debugging purposes
Signed-off-by: Pierre Willenbrock <pierre@pirsoft.dnsalias.org> Signed-off-by: Aapo Tahkola <aet@rasterburn.org> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/dvb-usb/m920x.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index 485ea5ca5ae..fd6583bed33 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -47,11 +47,15 @@ static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
request, USB_TYPE_VENDOR | USB_DIR_IN,
value, index, data, size, 2000);
- if (ret < 0)
+ if (ret < 0) {
+ printk(KERN_INFO "m920x_read = error: %d\n", ret);
return ret;
+ }
- if (ret != size)
+ if (ret != size) {
+ deb_rc("m920x_read = no data\n");
return -EIO;
+ }
return 0;
}
@@ -64,6 +68,7 @@ static inline int m9206_write(struct usb_device *udev, u8 request,
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
request, USB_TYPE_VENDOR | USB_DIR_OUT,
value, index, NULL, 0, 2000);
+
return ret;
}
@@ -323,6 +328,7 @@ static int m9206_firmware_download(struct usb_device *udev,
i += size;
}
if (i != fw->size) {
+ deb_rc("bad firmware file!\n");
ret = -EINVAL;
goto done;
}