From 59069e53a27605d14a1a693683a45de837ee7521 Mon Sep 17 00:00:00 2001 From: Pierre Willenbrock Date: Thu, 15 Mar 2007 13:24:29 -0300 Subject: [PATCH] V4L/DVB (5449): M920x: add error messages for debugging purposes Signed-off-by: Pierre Willenbrock Signed-off-by: Aapo Tahkola Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/m920x.c | 10 ++++++++-- 1 file 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; } -- 2.20.1