UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Pierre Willenbrock 2007-03-15 13:24:29 -03:00 committed by Mauro Carvalho Chehab
parent 7d1d4e6c58
commit 59069e53a2
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/media/dvb/dvb-usb/m920x.c
View File

@ -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), ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
request, USB_TYPE_VENDOR | USB_DIR_IN, request, USB_TYPE_VENDOR | USB_DIR_IN,
value, index, data, size, 2000); value, index, data, size, 2000);
if (ret < 0) if (ret < 0) {
printk(KERN_INFO "m920x_read = error: %d\n", ret);
return ret; return ret;
}
if (ret != size) if (ret != size) {
deb_rc("m920x_read = no data\n");
return -EIO; return -EIO;
}
return 0; 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), ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
request, USB_TYPE_VENDOR | USB_DIR_OUT, request, USB_TYPE_VENDOR | USB_DIR_OUT,
value, index, NULL, 0, 2000); value, index, NULL, 0, 2000);
return ret; return ret;
} }
@ -323,6 +328,7 @@ static int m9206_firmware_download(struct usb_device *udev,
i += size; i += size;
} }
if (i != fw->size) { if (i != fw->size) {
deb_rc("bad firmware file!\n");
ret = -EINVAL; ret = -EINVAL;
goto done; goto done;
} }