diff options
Diffstat (limited to 'drivers/media/video/gspca')
| -rw-r--r-- | drivers/media/video/gspca/pac7302.c | 24 | ||||
| -rw-r--r-- | drivers/media/video/gspca/pac7311.c | 24 |
2 files changed, 42 insertions, 6 deletions
diff --git a/drivers/media/video/gspca/pac7302.c b/drivers/media/video/gspca/pac7302.c index 228b414709f7..60d1a31f5307 100644 --- a/drivers/media/video/gspca/pac7302.c +++ b/drivers/media/video/gspca/pac7302.c @@ -335,14 +335,20 @@ static void reg_w_buf(struct gspca_dev *gspca_dev, __u8 index, const char *buffer, int len) { + int ret; + memcpy(gspca_dev->usb_buf, buffer, len); - usb_control_msg(gspca_dev->dev, + ret = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), 1, /* request */ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, /* value */ index, gspca_dev->usb_buf, len, 500); + if (ret < 0) + PDEBUG(D_ERR, "reg_w_buf(): " + "Failed to write registers to index 0x%x, error %i", + index, ret); } @@ -350,13 +356,19 @@ static void reg_w(struct gspca_dev *gspca_dev, __u8 index, __u8 value) { + int ret; + gspca_dev->usb_buf[0] = value; - usb_control_msg(gspca_dev->dev, + ret = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), 0, /* request */ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, index, gspca_dev->usb_buf, 1, 500); + if (ret < 0) + PDEBUG(D_ERR, "reg_w(): " + "Failed to write register to index 0x%x, value 0x%x, error %i", + index, value, ret); } static void reg_w_seq(struct gspca_dev *gspca_dev, @@ -373,17 +385,23 @@ static void reg_w_page(struct gspca_dev *gspca_dev, const __u8 *page, int len) { int index; + int ret; for (index = 0; index < len; index++) { if (page[index] == SKIP) /* skip this index */ continue; gspca_dev->usb_buf[0] = page[index]; - usb_control_msg(gspca_dev->dev, + ret = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), 0, /* request */ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, index, gspca_dev->usb_buf, 1, 500); + if (ret < 0) + PDEBUG(D_ERR, "reg_w_page(): " + "Failed to write register to index 0x%x, " + "value 0x%x, error %i", + index, page[index], ret); } } diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c index a2f788468ec0..82cdd43aada9 100644 --- a/drivers/media/video/gspca/pac7311.c +++ b/drivers/media/video/gspca/pac7311.c @@ -263,14 +263,20 @@ static void reg_w_buf(struct gspca_dev *gspca_dev, __u8 index, const char *buffer, int len) { + int ret; + memcpy(gspca_dev->usb_buf, buffer, len); - usb_control_msg(gspca_dev->dev, + ret = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), 1, /* request */ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, /* value */ index, gspca_dev->usb_buf, len, 500); + if (ret < 0) + PDEBUG(D_ERR, "reg_w_buf(): " + "Failed to write registers to index 0x%x, error %i", + index, ret); } @@ -278,13 +284,19 @@ static void reg_w(struct gspca_dev *gspca_dev, __u8 index, __u8 value) { + int ret; + gspca_dev->usb_buf[0] = value; - usb_control_msg(gspca_dev->dev, + ret = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), 0, /* request */ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, index, gspca_dev->usb_buf, 1, 500); + if (ret < 0) + PDEBUG(D_ERR, "reg_w(): " + "Failed to write register to index 0x%x, value 0x%x, error %i", + index, value, ret); } static void reg_w_seq(struct gspca_dev *gspca_dev, @@ -301,17 +313,23 @@ static void reg_w_page(struct gspca_dev *gspca_dev, const __u8 *page, int len) { int index; + int ret; for (index = 0; index < len; index++) { if (page[index] == SKIP) /* skip this index */ continue; gspca_dev->usb_buf[0] = page[index]; - usb_control_msg(gspca_dev->dev, + ret = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), 0, /* request */ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, index, gspca_dev->usb_buf, 1, 500); + if (ret < 0) + PDEBUG(D_ERR, "reg_w_page(): " + "Failed to write register to index 0x%x, " + "value 0x%x, error %i", + index, page[index], ret); } } |
