summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/s2255drv.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/s2255drv.c')
-rw-r--r--drivers/media/video/s2255drv.c53
1 files changed, 17 insertions, 36 deletions
diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c
index 803c9c82e496..4894cbb1c547 100644
--- a/drivers/media/video/s2255drv.c
+++ b/drivers/media/video/s2255drv.c
@@ -134,7 +134,7 @@
/* usb config commands */
#define IN_DATA_TOKEN cpu_to_le32(0x2255c0de)
-#define CMD_2255 cpu_to_le32(0xc2255000)
+#define CMD_2255 0xc2255000
#define CMD_SET_MODE cpu_to_le32((CMD_2255 | 0x10))
#define CMD_START cpu_to_le32((CMD_2255 | 0x20))
#define CMD_STOP cpu_to_le32((CMD_2255 | 0x30))
@@ -852,15 +852,13 @@ static int vidioc_querycap(struct file *file, void *priv,
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
- int index = 0;
- if (f)
- index = f->index;
+ int index = f->index;
if (index >= ARRAY_SIZE(formats))
return -EINVAL;
- if (!jpeg_enable && ((formats[index].fourcc == V4L2_PIX_FMT_JPEG) ||
- (formats[index].fourcc == V4L2_PIX_FMT_MJPEG)))
- return -EINVAL;
+ if (!jpeg_enable && ((formats[index].fourcc == V4L2_PIX_FMT_JPEG) ||
+ (formats[index].fourcc == V4L2_PIX_FMT_MJPEG)))
+ return -EINVAL;
dprintk(4, "name %s\n", formats[index].name);
strlcpy(f->description, formats[index].name, sizeof(f->description));
f->pixelformat = formats[index].fourcc;
@@ -2027,7 +2025,7 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
pdata[1]);
offset = jj + PREFIX_SIZE;
bframe = 1;
- cc = pdword[1];
+ cc = le32_to_cpu(pdword[1]);
if (cc >= MAX_CHANNELS) {
printk(KERN_ERR
"bad channel\n");
@@ -2036,22 +2034,22 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
/* reverse it */
dev->cc = G_chnmap[cc];
channel = &dev->channel[dev->cc];
- payload = pdword[3];
+ payload = le32_to_cpu(pdword[3]);
if (payload > channel->req_image_size) {
channel->bad_payload++;
/* discard the bad frame */
return -EINVAL;
}
channel->pkt_size = payload;
- channel->jpg_size = pdword[4];
+ channel->jpg_size = le32_to_cpu(pdword[4]);
break;
case S2255_MARKER_RESPONSE:
pdata += DEF_USB_BLOCK;
jj += DEF_USB_BLOCK;
- if (pdword[1] >= MAX_CHANNELS)
+ if (le32_to_cpu(pdword[1]) >= MAX_CHANNELS)
break;
- cc = G_chnmap[pdword[1]];
+ cc = G_chnmap[le32_to_cpu(pdword[1])];
if (cc >= MAX_CHANNELS)
break;
channel = &dev->channel[cc];
@@ -2074,11 +2072,11 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
wake_up(&dev->fw_data->wait_fw);
break;
case S2255_RESPONSE_STATUS:
- channel->vidstatus = pdword[3];
+ channel->vidstatus = le32_to_cpu(pdword[3]);
channel->vidstatus_ready = 1;
wake_up(&channel->wait_vidstatus);
dprintk(5, "got vidstatus %x chan %d\n",
- pdword[3], cc);
+ le32_to_cpu(pdword[3]), cc);
break;
default:
printk(KERN_INFO "s2255 unknown resp\n");
@@ -2605,10 +2603,11 @@ static int s2255_probe(struct usb_interface *interface,
__le32 *pRel;
pRel = (__le32 *) &dev->fw_data->fw->data[fw_size - 4];
printk(KERN_INFO "s2255 dsp fw version %x\n", *pRel);
- dev->dsp_fw_ver = *pRel;
- if (*pRel < S2255_CUR_DSP_FWVER)
+ dev->dsp_fw_ver = le32_to_cpu(*pRel);
+ if (dev->dsp_fw_ver < S2255_CUR_DSP_FWVER)
printk(KERN_INFO "s2255: f2255usb.bin out of date.\n");
- if (dev->pid == 0x2257 && *pRel < S2255_MIN_DSP_COLORFILTER)
+ if (dev->pid == 0x2257 &&
+ dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER)
printk(KERN_WARNING "s2255: 2257 requires firmware %d"
" or above.\n", S2255_MIN_DSP_COLORFILTER);
}
@@ -2682,25 +2681,7 @@ static struct usb_driver s2255_driver = {
.id_table = s2255_table,
};
-static int __init usb_s2255_init(void)
-{
- int result;
- /* register this driver with the USB subsystem */
- result = usb_register(&s2255_driver);
- if (result)
- pr_err(KBUILD_MODNAME
- ": usb_register failed. Error number %d\n", result);
- dprintk(2, "%s\n", __func__);
- return result;
-}
-
-static void __exit usb_s2255_exit(void)
-{
- usb_deregister(&s2255_driver);
-}
-
-module_init(usb_s2255_init);
-module_exit(usb_s2255_exit);
+module_usb_driver(s2255_driver);
MODULE_DESCRIPTION("Sensoray 2255 Video for Linux driver");
MODULE_AUTHOR("Dean Anderson (Sensoray Company Inc.)");
OpenPOWER on IntegriCloud