diff options
Diffstat (limited to 'drivers/media/video/gspca/m5602/m5602_core.c')
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_core.c | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c index 19d5e351ccc..fd6ce384b48 100644 --- a/drivers/media/video/gspca/m5602/m5602_core.c +++ b/drivers/media/video/gspca/m5602/m5602_core.c @@ -1,7 +1,7 @@ -/* + /* * USB Driver for ALi m5602 based webcams * - * Copyright (C) 2008 Erik Andren + * Copyright (C) 2008 Erik Andrén * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> * @@ -26,7 +26,6 @@ int force_sensor; int dump_bridge; int dump_sensor; -unsigned int m5602_debug; static const __devinitdata struct usb_device_id m5602_table[] = { {USB_DEVICE(0x0402, 0x5602)}, @@ -48,7 +47,7 @@ int m5602_read_bridge(struct sd *sd, u8 address, u8 *i2c_data) 1, M5602_URB_MSG_TIMEOUT); *i2c_data = buf[0]; - PDEBUG(DBG_TRACE, "Reading bridge register 0x%x containing 0x%x", + PDEBUG(D_CONF, "Reading bridge register 0x%x containing 0x%x", address, *i2c_data); /* usb_control_msg(...) returns the number of bytes sent upon success, @@ -63,7 +62,7 @@ int m5602_write_bridge(struct sd *sd, u8 address, u8 i2c_data) struct usb_device *udev = sd->gspca_dev.dev; __u8 *buf = sd->gspca_dev.usb_buf; - PDEBUG(DBG_TRACE, "Writing bridge register 0x%x with 0x%x", + PDEBUG(D_CONF, "Writing bridge register 0x%x with 0x%x", address, i2c_data); memcpy(buf, bridge_urb_skeleton, @@ -91,7 +90,8 @@ static void m5602_dump_bridge(struct sd *sd) m5602_read_bridge(sd, i, &val); info("ALi m5602 address 0x%x contains 0x%x", i, val); } - info("Warning: The camera probably won't work until it's power cycled"); + info("Warning: The ALi m5602 webcam probably won't work " + "until it's power cycled"); } static int m5602_probe_sensor(struct sd *sd) @@ -135,7 +135,7 @@ static int m5602_init(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int err; - PDEBUG(DBG_TRACE, "Initializing ALi m5602 webcam"); + PDEBUG(D_CONF, "Initializing ALi m5602 webcam"); /* Run the init sequence */ err = sd->sensor->init(sd); @@ -146,16 +146,18 @@ static int m5602_start_transfer(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; __u8 *buf = sd->gspca_dev.usb_buf; + int err; /* Send start command to the camera */ const u8 buffer[4] = {0x13, 0xf9, 0x0f, 0x01}; memcpy(buf, buffer, sizeof(buffer)); - usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), - 0x04, 0x40, 0x19, 0x0000, buf, - 4, M5602_URB_MSG_TIMEOUT); + err = usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + 0x04, 0x40, 0x19, 0x0000, buf, + 4, M5602_URB_MSG_TIMEOUT); - PDEBUG(DBG_V4L2, "Transfer started"); - return 0; + PDEBUG(D_STREAM, "Transfer started"); + return (err < 0) ? err : 0; } static void m5602_urb_complete(struct gspca_dev *gspca_dev, @@ -165,14 +167,14 @@ static void m5602_urb_complete(struct gspca_dev *gspca_dev, struct sd *sd = (struct sd *) gspca_dev; if (len < 6) { - PDEBUG(DBG_DATA, "Packet is less than 6 bytes"); + PDEBUG(D_PACK, "Packet is less than 6 bytes"); return; } /* Frame delimiter: ff xx xx xx ff ff */ if (data[0] == 0xff && data[4] == 0xff && data[5] == 0xff && data[2] != sd->frame_id) { - PDEBUG(DBG_DATA, "Frame delimiter detected"); + PDEBUG(D_FRAM, "Frame delimiter detected"); sd->frame_id = data[2]; /* Remove the extra fluff appended on each header */ @@ -187,7 +189,7 @@ static void m5602_urb_complete(struct gspca_dev *gspca_dev, /* Create a new frame */ gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len); - PDEBUG(DBG_V4L2, "Starting new frame %d", + PDEBUG(D_FRAM, "Starting new frame %d", sd->frame_count); } else { @@ -198,7 +200,7 @@ static void m5602_urb_complete(struct gspca_dev *gspca_dev, len -= 4; if (cur_frame_len + len <= frame->v4l2_buf.length) { - PDEBUG(DBG_DATA, "Continuing frame %d copying %d bytes", + PDEBUG(D_FRAM, "Continuing frame %d copying %d bytes", sd->frame_count, len); gspca_frame_add(gspca_dev, INTER_PACKET, frame, @@ -234,8 +236,6 @@ static int m5602_configure(struct gspca_dev *gspca_dev, struct cam *cam; int err; - PDEBUG(DBG_GSPCA, "m5602_configure start"); - cam = &gspca_dev->cam; cam->epaddr = M5602_ISOC_ENDPOINT_ADDR; sd->desc = &sd_desc; @@ -248,11 +248,10 @@ static int m5602_configure(struct gspca_dev *gspca_dev, if (err) goto fail; - PDEBUG(DBG_GSPCA, "m5602_configure end"); return 0; fail: - PDEBUG(DBG_GSPCA, "m5602_configure failed"); + PDEBUG(D_ERR, "ALi m5602 webcam failed"); cam->cam_mode = NULL; cam->nmodes = 0; @@ -282,13 +281,13 @@ static int __init mod_m5602_init(void) { if (usb_register(&sd_driver) < 0) return -1; - PDEBUG(D_PROBE, "m5602 module registered"); + PDEBUG(D_PROBE, "registered"); return 0; } static void __exit mod_m5602_exit(void) { usb_deregister(&sd_driver); - PDEBUG(D_PROBE, "m5602 module deregistered"); + PDEBUG(D_PROBE, "deregistered"); } module_init(mod_m5602_init); @@ -297,9 +296,6 @@ module_exit(mod_m5602_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); -module_param_named(debug, m5602_debug, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "toggles debug on/off"); - module_param(force_sensor, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(force_sensor, "force detection of sensor, " |