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V4L/DVB (11605): patch: s2255drv: code cleanup
This patch does: - remove unused structure items. - define Response values; - change Driver revision printk. Signed-off-by: Dean Anderson <dean@sensoray.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dean Anderson
Mauro Carvalho Chehab
parent
7fc08bbb99
commit
abce21f40f
@ -77,6 +77,8 @@
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#define MAX_CHANNELS 4
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#define S2255_MARKER_FRAME 0x2255DA4AL
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#define S2255_MARKER_RESPONSE 0x2255ACACL
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#define S2255_RESPONSE_SETMODE 0x01
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#define S2255_RESPONSE_FW 0x10
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#define S2255_USB_XFER_SIZE (16 * 1024)
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#define MAX_CHANNELS 4
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#define MAX_PIPE_BUFFERS 1
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@ -178,9 +180,6 @@ struct s2255_bufferi {
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struct s2255_dmaqueue {
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struct list_head active;
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/* thread for acquisition */
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struct task_struct *kthread;
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int frame;
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struct s2255_dev *dev;
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int channel;
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};
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@ -210,16 +209,11 @@ struct s2255_pipeinfo {
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u32 max_transfer_size;
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u32 cur_transfer_size;
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u8 *transfer_buffer;
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u32 transfer_flags;;
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u32 state;
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u32 prev_state;
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u32 urb_size;
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void *stream_urb;
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void *dev; /* back pointer to s2255_dev struct*/
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u32 err_count;
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u32 buf_index;
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u32 idx;
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u32 priority_set;
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};
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struct s2255_fmt; /*forward declaration */
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@ -239,8 +233,6 @@ struct s2255_dev {
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struct list_head s2255_devlist;
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struct timer_list timer;
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struct s2255_fw *fw_data;
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int board_num;
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int is_open;
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struct s2255_pipeinfo pipes[MAX_PIPE_BUFFERS];
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struct s2255_bufferi buffer[MAX_CHANNELS];
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struct s2255_mode mode[MAX_CHANNELS];
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@ -297,9 +289,10 @@ struct s2255_fh {
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int resources[MAX_CHANNELS];
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};
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#define CUR_USB_FWVER 774 /* current cypress EEPROM firmware version */
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/* current cypress EEPROM firmware version */
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#define S2255_CUR_USB_FWVER ((3 << 8) | 6)
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#define S2255_MAJOR_VERSION 1
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#define S2255_MINOR_VERSION 13
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#define S2255_MINOR_VERSION 14
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#define S2255_RELEASE 0
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#define S2255_VERSION KERNEL_VERSION(S2255_MAJOR_VERSION, \
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S2255_MINOR_VERSION, \
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@ -1818,7 +1811,6 @@ static int s2255_probe_v4l(struct s2255_dev *dev)
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INIT_LIST_HEAD(&dev->vidq[i].active);
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dev->vidq[i].dev = dev;
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dev->vidq[i].channel = i;
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dev->vidq[i].kthread = NULL;
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/* register 4 video devices */
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dev->vdev[i] = video_device_alloc();
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memcpy(dev->vdev[i], &template, sizeof(struct video_device));
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@ -1839,7 +1831,9 @@ static int s2255_probe_v4l(struct s2255_dev *dev)
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return ret;
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}
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}
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printk(KERN_INFO "Sensoray 2255 V4L driver\n");
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printk(KERN_INFO "Sensoray 2255 V4L driver Revision: %d.%d\n",
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S2255_MAJOR_VERSION,
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S2255_MINOR_VERSION);
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return ret;
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}
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@ -1929,14 +1923,14 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
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if (!(cc >= 0 && cc < MAX_CHANNELS))
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break;
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switch (pdword[2]) {
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case 0x01:
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case S2255_RESPONSE_SETMODE:
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/* check if channel valid */
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/* set mode ready */
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dev->setmode_ready[cc] = 1;
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wake_up(&dev->wait_setmode[cc]);
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dprintk(5, "setmode ready %d\n", cc);
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break;
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case 0x10:
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case S2255_RESPONSE_FW:
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dev->chn_ready |= (1 << cc);
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if ((dev->chn_ready & 0x0f) != 0x0f)
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@ -2172,10 +2166,15 @@ static int s2255_board_init(struct s2255_dev *dev)
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/* query the firmware */
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fw_ver = s2255_get_fx2fw(dev);
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printk(KERN_INFO "2255 usb firmware version %d \n", fw_ver);
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if (fw_ver < CUR_USB_FWVER)
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printk(KERN_INFO "2255 usb firmware version %d.%d\n",
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(fw_ver >> 8) & 0xff,
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fw_ver & 0xff);
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if (fw_ver < S2255_CUR_USB_FWVER)
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dev_err(&dev->udev->dev,
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"usb firmware not up to date %d\n", fw_ver);
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"usb firmware not up to date %d.%d\n",
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(fw_ver >> 8) & 0xff,
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fw_ver & 0xff);
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for (j = 0; j < MAX_CHANNELS; j++) {
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dev->b_acquire[j] = 0;
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@ -2283,8 +2282,7 @@ static int s2255_start_readpipe(struct s2255_dev *dev)
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for (i = 0; i < MAX_PIPE_BUFFERS; i++) {
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pipe_info->state = 1;
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pipe_info->buf_index = (u32) i;
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pipe_info->priority_set = 0;
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pipe_info->err_count = 0;
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pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL);
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if (!pipe_info->stream_urb) {
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dev_err(&dev->udev->dev,
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@ -2298,7 +2296,6 @@ static int s2255_start_readpipe(struct s2255_dev *dev)
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pipe_info->cur_transfer_size,
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read_pipe_completion, pipe_info);
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pipe_info->urb_size = sizeof(pipe_info->stream_urb);
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dprintk(4, "submitting URB %p\n", pipe_info->stream_urb);
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retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL);
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if (retval) {
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@ -2403,8 +2400,6 @@ static void s2255_stop_readpipe(struct s2255_dev *dev)
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if (pipe_info->state == 0)
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continue;
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pipe_info->state = 0;
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pipe_info->prev_state = 1;
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}
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}
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@ -2542,7 +2537,9 @@ static int s2255_probe(struct usb_interface *interface,
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s2255_probe_v4l(dev);
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usb_reset_device(dev->udev);
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/* load 2255 board specific */
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s2255_board_init(dev);
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retval = s2255_board_init(dev);
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if (retval)
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goto error;
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dprintk(4, "before probe done %p\n", dev);
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spin_lock_init(&dev->slock);
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