[media] gspca - sn9c20x: Cleanup source
- copyright change - use the kbuild module name for messages - remove useless code - add/remove blank lines, parenthesis, braces - add/change some information messages Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -1,5 +1,7 @@
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/*
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* Sonix sn9c201 sn9c202 library
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*
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* Copyright (C) 2012 Jean-Francois Moine <http://moinejf.free.fr>
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* Copyright (C) 2008-2009 microdia project <microdia@googlegroups.com>
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* Copyright (C) 2009 Brian Johnson <brijohn@gmail.com>
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*
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@ -33,8 +35,6 @@ MODULE_AUTHOR("Brian Johnson <brijohn@gmail.com>, "
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MODULE_DESCRIPTION("GSPCA/SN9C20X USB Camera Driver");
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MODULE_LICENSE("GPL");
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#define MODULE_NAME "sn9c20x"
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/*
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* Pixel format private data
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*/
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@ -1133,13 +1133,13 @@ static void reg_w(struct gspca_dev *gspca_dev, u16 reg,
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static void reg_w1(struct gspca_dev *gspca_dev, u16 reg, const u8 value)
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{
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u8 data[1] = {value};
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reg_w(gspca_dev, reg, data, 1);
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reg_w(gspca_dev, reg, &value, 1);
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}
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static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buffer)
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{
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int i;
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reg_w(gspca_dev, 0x10c0, buffer, 8);
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for (i = 0; i < 5; i++) {
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reg_r(gspca_dev, 0x10c0, 1);
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@ -1161,7 +1161,6 @@ static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buffer)
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static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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u8 row[8];
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/*
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@ -1201,8 +1200,8 @@ static void i2c_w2(struct gspca_dev *gspca_dev, u8 reg, u16 val)
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row[0] = 0x81 | (3 << 4);
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row[1] = sd->i2c_addr;
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row[2] = reg;
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row[3] = (val >> 8) & 0xff;
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row[4] = val & 0xff;
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row[3] = val >> 8;
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row[4] = val;
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row[5] = 0x00;
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row[6] = 0x00;
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row[7] = 0x10;
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@ -1587,8 +1586,9 @@ static void set_hvflip(struct gspca_dev *gspca_dev)
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if (vflip) {
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value |= 0x10;
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sd->vstart = 2;
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} else
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} else {
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sd->vstart = 3;
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}
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reg_w1(gspca_dev, 0x1182, sd->vstart);
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i2c_w1(gspca_dev, 0x1e, value);
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break;
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@ -1741,6 +1741,7 @@ static int sd_dbg_g_register(struct gspca_dev *gspca_dev,
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struct v4l2_dbg_register *reg)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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switch (reg->match.type) {
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case V4L2_CHIP_MATCH_HOST:
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if (reg->match.addr != 0)
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@ -1768,6 +1769,7 @@ static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
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struct v4l2_dbg_register *reg)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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switch (reg->match.type) {
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case V4L2_CHIP_MATCH_HOST:
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if (reg->match.addr != 0)
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@ -1822,9 +1824,9 @@ static int sd_config(struct gspca_dev *gspca_dev,
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cam = &gspca_dev->cam;
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cam->needs_full_bandwidth = 1;
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sd->sensor = (id->driver_info >> 8) & 0xff;
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sd->i2c_addr = id->driver_info & 0xff;
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sd->flags = (id->driver_info >> 16) & 0xff;
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sd->sensor = id->driver_info >> 8;
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sd->i2c_addr = id->driver_info;
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sd->flags = id->driver_info >> 16;
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switch (sd->sensor) {
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case SENSOR_MT9M112:
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@ -1918,6 +1920,7 @@ static int sd_init(struct gspca_dev *gspca_dev)
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mt9v_init_sensor(gspca_dev);
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if (gspca_dev->usb_err < 0)
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break;
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pr_info("MT9VPRB sensor detected\n");
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break;
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case SENSOR_MT9M111:
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mt9m111_init_sensor(gspca_dev);
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@ -1943,7 +1946,7 @@ static int sd_init(struct gspca_dev *gspca_dev)
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pr_info("HV7131R sensor detected\n");
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break;
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default:
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pr_info("Unsupported Sensor\n");
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pr_err("Unsupported sensor\n");
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gspca_dev->usb_err = -ENODEV;
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}
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@ -1954,6 +1957,7 @@ static void configure_sensor_output(struct gspca_dev *gspca_dev, int mode)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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u8 value;
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switch (sd->sensor) {
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case SENSOR_SOI968:
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if (mode & MODE_SXGA) {
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@ -2036,6 +2040,7 @@ static int sd_isoc_init(struct gspca_dev *gspca_dev)
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break;
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default: /* >= 640x480 */
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gspca_dev->alt = 9;
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break;
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}
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}
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@ -2242,15 +2247,15 @@ static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
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int len) /* interrupt packet length */
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{
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struct sd *sd = (struct sd *) gspca_dev;
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int ret = -EINVAL;
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if (!(sd->flags & HAS_NO_BUTTON) && len == 1) {
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input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
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input_sync(gspca_dev->input_dev);
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input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
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input_sync(gspca_dev->input_dev);
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ret = 0;
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input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
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input_sync(gspca_dev->input_dev);
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input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
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input_sync(gspca_dev->input_dev);
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return 0;
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}
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return ret;
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return -EINVAL;
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}
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#endif
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@ -2303,9 +2308,11 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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int len) /* iso packet length */
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{
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struct sd *sd = (struct sd *) gspca_dev;
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int avg_lum;
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int avg_lum, is_jpeg;
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static u8 frame_header[] =
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{0xff, 0xff, 0x00, 0xc4, 0xc4, 0x96};
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is_jpeg = (sd->fmt & 0x03) == 0;
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if (len >= 64 && memcmp(data, frame_header, 6) == 0) {
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avg_lum = ((data[35] >> 2) & 3) |
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(data[20] << 2) |
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avg_lum >>= 9;
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atomic_set(&sd->avg_lum, avg_lum);
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if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv
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& MODE_JPEG)
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if (is_jpeg)
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transfer_check(gspca_dev, data);
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gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
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@ -2345,8 +2351,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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data += 64;
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}
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if (gspca_dev->last_packet_type == LAST_PACKET) {
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if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv
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& MODE_JPEG) {
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if (is_jpeg) {
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gspca_frame_add(gspca_dev, FIRST_PACKET,
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sd->jpeg_hdr, JPEG_HDR_SZ);
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gspca_frame_add(gspca_dev, INTER_PACKET,
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@ -2357,8 +2362,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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}
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} else {
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/* if JPEG, count the packets and their size */
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if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv
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& MODE_JPEG) {
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if (is_jpeg) {
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sd->npkt++;
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sd->pktsz += len;
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}
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@ -2368,7 +2372,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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/* sub-driver description */
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static const struct sd_desc sd_desc = {
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.name = MODULE_NAME,
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.name = KBUILD_MODNAME,
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.ctrls = sd_ctrls,
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.nctrls = ARRAY_SIZE(sd_ctrls),
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.config = sd_config,
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@ -2445,7 +2449,7 @@ static int sd_probe(struct usb_interface *intf,
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}
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static struct usb_driver sd_driver = {
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.name = MODULE_NAME,
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.name = KBUILD_MODNAME,
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.id_table = device_table,
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.probe = sd_probe,
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.disconnect = gspca_disconnect,
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