diff options
Diffstat (limited to 'drivers/media/usb/gspca/vc032x.c')
| -rw-r--r-- | drivers/media/usb/gspca/vc032x.c | 89 |
1 files changed, 42 insertions, 47 deletions
diff --git a/drivers/media/usb/gspca/vc032x.c b/drivers/media/usb/gspca/vc032x.c index c00ac57de510..e7a534be061d 100644 --- a/drivers/media/usb/gspca/vc032x.c +++ b/drivers/media/usb/gspca/vc032x.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Z-star vc0321 library * * Copyright (C) 2009-2010 Jean-François Moine <http://moinejf.free.fr> * Copyright (C) 2006 Koninski Artur takeshi87@o2.pl * Copyright (C) 2006 Michel Xhaard - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -68,12 +55,12 @@ enum sensors { static const struct v4l2_pix_format vc0321_mode[] = { {320, 240, V4L2_PIX_FMT_YVYU, V4L2_FIELD_NONE, - .bytesperline = 320, + .bytesperline = 320 * 2, .sizeimage = 320 * 240 * 2, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 1}, {640, 480, V4L2_PIX_FMT_YVYU, V4L2_FIELD_NONE, - .bytesperline = 640, + .bytesperline = 640 * 2, .sizeimage = 640 * 480 * 2, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 0}, @@ -97,17 +84,17 @@ static const struct v4l2_pix_format vc0323_mode[] = { }; static const struct v4l2_pix_format bi_mode[] = { {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, - .bytesperline = 320, + .bytesperline = 320 * 2, .sizeimage = 320 * 240 * 2, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 2}, {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, - .bytesperline = 640, + .bytesperline = 640 * 2, .sizeimage = 640 * 480 * 2, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 1}, {1280, 1024, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, - .bytesperline = 1280, + .bytesperline = 1280 * 2, .sizeimage = 1280 * 1024 * 2, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 0}, @@ -1809,7 +1796,7 @@ static const u8 ov7660_60HZ[][4] = { {} }; -static const u8 ov7660_NoFliker[][4] = { +static const u8 ov7660_NoFlicker[][4] = { {0x00, 0x13, 0x87, 0xaa}, {} }; @@ -2919,6 +2906,11 @@ static void reg_r_i(struct gspca_dev *gspca_dev, if (ret < 0) { pr_err("reg_r err %d\n", ret); gspca_dev->usb_err = ret; + /* + * Make sure the buffer is zeroed to avoid uninitialized + * values. + */ + memset(gspca_dev->usb_buf, 0, USB_BUF_SZ); } } static void reg_r(struct gspca_dev *gspca_dev, @@ -2930,11 +2922,12 @@ static void reg_r(struct gspca_dev *gspca_dev, if (gspca_dev->usb_err < 0) return; if (len == 1) - PDEBUG(D_USBI, "GET %02x 0001 %04x %02x", req, index, - gspca_dev->usb_buf[0]); + gspca_dbg(gspca_dev, D_USBI, "GET %02x 0001 %04x %02x\n", + req, index, + gspca_dev->usb_buf[0]); else - PDEBUG(D_USBI, "GET %02x 0001 %04x %*ph", - req, index, 3, gspca_dev->usb_buf); + gspca_dbg(gspca_dev, D_USBI, "GET %02x 0001 %04x %*ph\n", + req, index, 3, gspca_dev->usb_buf); } static void reg_w_i(struct gspca_dev *gspca_dev, @@ -2964,7 +2957,7 @@ static void reg_w(struct gspca_dev *gspca_dev, { if (gspca_dev->usb_err < 0) return; - PDEBUG(D_USBO, "SET %02x %04x %04x", req, value, index); + gspca_dbg(gspca_dev, D_USBO, "SET %02x %04x %04x\n", req, value, index); reg_w_i(gspca_dev, req, value, index); } @@ -2996,8 +2989,8 @@ static u16 read_sensor_register(struct gspca_dev *gspca_dev, reg_r(gspca_dev, 0xa1, 0xb33c, 1); hdata = gspca_dev->usb_buf[0]; if (hdata != 0 && mdata != 0 && ldata != 0) - PDEBUG(D_PROBE, "Read Sensor %02x%02x %02x", - hdata, mdata, ldata); + gspca_dbg(gspca_dev, D_PROBE, "Read Sensor %02x%02x %02x\n", + hdata, mdata, ldata); reg_r(gspca_dev, 0xa1, 0xb334, 1); if (gspca_dev->usb_buf[0] == 0x02) return (hdata << 8) + mdata; @@ -3019,8 +3012,8 @@ static int vc032x_probe_sensor(struct gspca_dev *gspca_dev) } reg_r(gspca_dev, 0xa1, 0xbfcf, 1); - PDEBUG(D_PROBE, "vc032%d check sensor header %02x", - sd->bridge == BRIDGE_VC0321 ? 1 : 3, gspca_dev->usb_buf[0]); + gspca_dbg(gspca_dev, D_PROBE, "vc032%d check sensor header %02x\n", + sd->bridge == BRIDGE_VC0321 ? 1 : 3, gspca_dev->usb_buf[0]); if (sd->bridge == BRIDGE_VC0321) { ptsensor_info = vc0321_probe_data; n = ARRAY_SIZE(vc0321_probe_data); @@ -3040,7 +3033,8 @@ static int vc032x_probe_sensor(struct gspca_dev *gspca_dev) if (value == 0 && ptsensor_info->IdAdd == 0x82) value = read_sensor_register(gspca_dev, 0x83); if (value != 0) { - PDEBUG(D_PROBE, "Sensor ID %04x (%d)", value, i); + gspca_dbg(gspca_dev, D_PROBE, "Sensor ID %04x (%d)\n", + value, i); if (value == ptsensor_info->VpId) return ptsensor_info->sensorId; @@ -3067,9 +3061,10 @@ static void i2c_write(struct gspca_dev *gspca_dev, if (gspca_dev->usb_err < 0) return; if (size == 1) - PDEBUG(D_USBO, "i2c_w %02x %02x", reg, *val); + gspca_dbg(gspca_dev, D_USBO, "i2c_w %02x %02x\n", reg, *val); else - PDEBUG(D_USBO, "i2c_w %02x %02x%02x", reg, *val, val[1]); + gspca_dbg(gspca_dev, D_USBO, "i2c_w %02x %02x%02x\n", + reg, *val, val[1]); reg_r_i(gspca_dev, 0xa1, 0xb33f, 1); /*fixme:should check if (!(gspca_dev->usb_buf[0] & 0x02)) error*/ reg_w_i(gspca_dev, 0xa0, size, 0xb334); @@ -3174,35 +3169,35 @@ static int sd_init(struct gspca_dev *gspca_dev) pr_err("Unknown sensor...\n"); return -EINVAL; case SENSOR_HV7131R: - PDEBUG(D_PROBE, "Find Sensor HV7131R"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor HV7131R\n"); break; case SENSOR_MI0360: - PDEBUG(D_PROBE, "Find Sensor MI0360"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor MI0360\n"); sd->bridge = BRIDGE_VC0323; break; case SENSOR_MI1310_SOC: - PDEBUG(D_PROBE, "Find Sensor MI1310_SOC"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor MI1310_SOC\n"); break; case SENSOR_MI1320: - PDEBUG(D_PROBE, "Find Sensor MI1320"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor MI1320\n"); break; case SENSOR_MI1320_SOC: - PDEBUG(D_PROBE, "Find Sensor MI1320_SOC"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor MI1320_SOC\n"); break; case SENSOR_OV7660: - PDEBUG(D_PROBE, "Find Sensor OV7660"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor OV7660\n"); break; case SENSOR_OV7670: - PDEBUG(D_PROBE, "Find Sensor OV7670"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor OV7670\n"); break; case SENSOR_PO1200: - PDEBUG(D_PROBE, "Find Sensor PO1200"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor PO1200\n"); break; case SENSOR_PO3130NC: - PDEBUG(D_PROBE, "Find Sensor PO3130NC"); + gspca_dbg(gspca_dev, D_PROBE, "Find Sensor PO3130NC\n"); break; case SENSOR_POxxxx: - PDEBUG(D_PROBE, "Sensor POxxxx"); + gspca_dbg(gspca_dev, D_PROBE, "Sensor POxxxx\n"); break; } sd->sensor = sensor; @@ -3324,8 +3319,8 @@ static void sethvflip(struct gspca_dev *gspca_dev, bool hflip, bool vflip) static void setlightfreq(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; - static const u8 (*ov7660_freq_tb[3])[4] = - {ov7660_NoFliker, ov7660_50HZ, ov7660_60HZ}; + static const u8 (*ov7660_freq_tb[3])[4] = { + ov7660_NoFlicker, ov7660_50HZ, ov7660_60HZ}; if (sd->sensor != SENSOR_OV7660) return; @@ -3628,8 +3623,8 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct sd *sd = (struct sd *) gspca_dev; if (data[0] == 0xff && data[1] == 0xd8) { - PDEBUG(D_PACK, - "vc032x header packet found len %d", len); + gspca_dbg(gspca_dev, D_PACK, + "vc032x header packet found len %d\n", len); gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); data += sd->image_offset; len -= sd->image_offset; @@ -3643,7 +3638,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, int size, l; l = gspca_dev->image_len; - size = gspca_dev->frsz; + size = gspca_dev->pixfmt.sizeimage; if (len > size - l) len = size - l; } |
