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authorJean-Francois Moine <moinejf@free.fr>2008-07-14 16:38:29 +0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-20 14:26:14 +0400
commit739570bb218bb4607df1f197282561e97a98e54a (patch)
tree25555dfe5ac873bc96866c486d6f6c1dcabf24f4 /drivers/media/video/gspca/spca500.c
parent5b77ae7776183d733ec86727bcc34c52a336afd6 (diff)
downloadlinux-739570bb218bb4607df1f197282561e97a98e54a.tar.xz
V4L/DVB (8352): gspca: Buffers for USB exchanges cannot be in the stack.
gspca: Protect dq_callback() against simultaneous USB exchanges. Temporary buffer for USB exchanges added in the device struct. (all) Use a temporary buffer for all USB exchanges. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/gspca/spca500.c')
-rw-r--r--drivers/media/video/gspca/spca500.c265
1 files changed, 132 insertions, 133 deletions
diff --git a/drivers/media/video/gspca/spca500.c b/drivers/media/video/gspca/spca500.c
index d00f0f76e0e3..156206118795 100644
--- a/drivers/media/video/gspca/spca500.c
+++ b/drivers/media/video/gspca/spca500.c
@@ -24,8 +24,8 @@
#include "gspca.h"
#include "jpeg.h"
-#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 5)
-static const char version[] = "2.1.5";
+#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 7)
+static const char version[] = "2.1.7";
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SPCA500 USB Camera Driver");
@@ -372,26 +372,27 @@ static const __u8 qtable_pocketdv[2][64] = {
0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28}
};
-static void reg_r(struct usb_device *dev,
- __u16 index,
- __u8 *buffer, __u16 length)
+/* read 'len' bytes to gspca_dev->usb_buf */
+static void reg_r(struct gspca_dev *gspca_dev,
+ __u16 index,
+ __u16 length)
{
- usb_control_msg(dev,
- usb_rcvctrlpipe(dev, 0),
+ usb_control_msg(gspca_dev->dev,
+ usb_rcvctrlpipe(gspca_dev->dev, 0),
0,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
- index, buffer, length, 500);
+ index, gspca_dev->usb_buf, length, 500);
}
-static int reg_w(struct usb_device *dev,
+static int reg_w(struct gspca_dev *gspca_dev,
__u16 req, __u16 index, __u16 value)
{
int ret;
PDEBUG(D_USBO, "reg write: [0x%02x] = 0x%02x", index, value);
- ret = usb_control_msg(dev,
- usb_sndctrlpipe(dev, 0),
+ ret = usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
req,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, NULL, 0, 500);
@@ -401,28 +402,27 @@ static int reg_w(struct usb_device *dev,
}
/* returns: negative is error, pos or zero is data */
-static int reg_r_12(struct usb_device *dev,
+static int reg_r_12(struct gspca_dev *gspca_dev,
__u16 req, /* bRequest */
__u16 index, /* wIndex */
__u16 length) /* wLength (1 or 2 only) */
{
int ret;
- __u8 buf[2];
- buf[1] = 0;
- ret = usb_control_msg(dev,
- usb_rcvctrlpipe(dev, 0),
+ gspca_dev->usb_buf[1] = 0;
+ ret = usb_control_msg(gspca_dev->dev,
+ usb_rcvctrlpipe(gspca_dev->dev, 0),
req,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index,
- buf, length,
+ gspca_dev->usb_buf, length,
500); /* timeout */
if (ret < 0) {
PDEBUG(D_ERR, "reg_r_12 err %d", ret);
return -1;
}
- return (buf[1] << 8) + buf[0];
+ return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
}
/*
@@ -430,13 +430,13 @@ static int reg_r_12(struct usb_device *dev,
* a reg_read call.
* Returns: negative is error or timeout, zero is success.
*/
-static int reg_r_wait(struct usb_device *dev,
+static int reg_r_wait(struct gspca_dev *gspca_dev,
__u16 reg, __u16 index, __u16 value)
{
int ret, cnt = 20;
while (--cnt > 0) {
- ret = reg_r_12(dev, reg, index, 1);
+ ret = reg_r_12(gspca_dev, reg, index, 1);
if (ret == value)
return 0;
msleep(50);
@@ -447,11 +447,10 @@ static int reg_r_wait(struct usb_device *dev,
static int write_vector(struct gspca_dev *gspca_dev,
const __u16 data[][3])
{
- struct usb_device *dev = gspca_dev->dev;
int ret, i = 0;
while (data[i][0] != 0 || data[i][1] != 0 || data[i][2] != 0) {
- ret = reg_w(dev, data[i][0], data[i][2], data[i][1]);
+ ret = reg_w(gspca_dev, data[i][0], data[i][2], data[i][1]);
if (ret < 0)
return ret;
i++;
@@ -465,19 +464,18 @@ static int spca50x_setup_qtable(struct gspca_dev *gspca_dev,
unsigned int cbase,
const __u8 qtable[2][64])
{
- struct usb_device *dev = gspca_dev->dev;
int i, err;
/* loop over y components */
for (i = 0; i < 64; i++) {
- err = reg_w(dev, request, ybase + i, qtable[0][i]);
+ err = reg_w(gspca_dev, request, ybase + i, qtable[0][i]);
if (err < 0)
return err;
}
/* loop over c components */
for (i = 0; i < 64; i++) {
- err = reg_w(dev, request, cbase + i, qtable[1][i]);
+ err = reg_w(gspca_dev, request, cbase + i, qtable[1][i]);
if (err < 0)
return err;
}
@@ -486,37 +484,33 @@ static int spca50x_setup_qtable(struct gspca_dev *gspca_dev,
static void spca500_ping310(struct gspca_dev *gspca_dev)
{
- __u8 Data[2];
-
- reg_r(gspca_dev->dev, 0x0d04, Data, 2);
+ reg_r(gspca_dev, 0x0d04, 2);
PDEBUG(D_STREAM, "ClickSmart310 ping 0x0d04 0x%02x 0x%02x",
- Data[0], Data[1]);
+ gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]);
}
static void spca500_clksmart310_init(struct gspca_dev *gspca_dev)
{
- __u8 Data[2];
-
- reg_r(gspca_dev->dev, 0x0d05, Data, 2);
+ reg_r(gspca_dev, 0x0d05, 2);
PDEBUG(D_STREAM, "ClickSmart310 init 0x0d05 0x%02x 0x%02x",
- Data[0], Data[1]);
- reg_w(gspca_dev->dev, 0x00, 0x8167, 0x5a);
+ gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]);
+ reg_w(gspca_dev, 0x00, 0x8167, 0x5a);
spca500_ping310(gspca_dev);
- reg_w(gspca_dev->dev, 0x00, 0x8168, 0x22);
- reg_w(gspca_dev->dev, 0x00, 0x816a, 0xc0);
- reg_w(gspca_dev->dev, 0x00, 0x816b, 0x0b);
- reg_w(gspca_dev->dev, 0x00, 0x8169, 0x25);
- reg_w(gspca_dev->dev, 0x00, 0x8157, 0x5b);
- reg_w(gspca_dev->dev, 0x00, 0x8158, 0x5b);
- reg_w(gspca_dev->dev, 0x00, 0x813f, 0x03);
- reg_w(gspca_dev->dev, 0x00, 0x8151, 0x4a);
- reg_w(gspca_dev->dev, 0x00, 0x8153, 0x78);
- reg_w(gspca_dev->dev, 0x00, 0x0d01, 0x04);
+ reg_w(gspca_dev, 0x00, 0x8168, 0x22);
+ reg_w(gspca_dev, 0x00, 0x816a, 0xc0);
+ reg_w(gspca_dev, 0x00, 0x816b, 0x0b);
+ reg_w(gspca_dev, 0x00, 0x8169, 0x25);
+ reg_w(gspca_dev, 0x00, 0x8157, 0x5b);
+ reg_w(gspca_dev, 0x00, 0x8158, 0x5b);
+ reg_w(gspca_dev, 0x00, 0x813f, 0x03);
+ reg_w(gspca_dev, 0x00, 0x8151, 0x4a);
+ reg_w(gspca_dev, 0x00, 0x8153, 0x78);
+ reg_w(gspca_dev, 0x00, 0x0d01, 0x04);
/* 00 for adjust shutter */
- reg_w(gspca_dev->dev, 0x00, 0x0d02, 0x01);
- reg_w(gspca_dev->dev, 0x00, 0x8169, 0x25);
- reg_w(gspca_dev->dev, 0x00, 0x0d01, 0x02);
+ reg_w(gspca_dev, 0x00, 0x0d02, 0x01);
+ reg_w(gspca_dev, 0x00, 0x8169, 0x25);
+ reg_w(gspca_dev, 0x00, 0x0d01, 0x02);
}
static void spca500_setmode(struct gspca_dev *gspca_dev,
@@ -525,14 +519,14 @@ static void spca500_setmode(struct gspca_dev *gspca_dev,
int mode;
/* set x multiplier */
- reg_w(gspca_dev->dev, 0, 0x8001, xmult);
+ reg_w(gspca_dev, 0, 0x8001, xmult);
/* set y multiplier */
- reg_w(gspca_dev->dev, 0, 0x8002, ymult);
+ reg_w(gspca_dev, 0, 0x8002, ymult);
/* use compressed mode, VGA, with mode specific subsample */
mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
- reg_w(gspca_dev->dev, 0, 0x8003, mode << 4);
+ reg_w(gspca_dev, 0, 0x8003, mode << 4);
}
static int spca500_full_reset(struct gspca_dev *gspca_dev)
@@ -540,18 +534,18 @@ static int spca500_full_reset(struct gspca_dev *gspca_dev)
int err;
/* send the reset command */
- err = reg_w(gspca_dev->dev, 0xe0, 0x0001, 0x0000);
+ err = reg_w(gspca_dev, 0xe0, 0x0001, 0x0000);
if (err < 0)
return err;
/* wait for the reset to complete */
- err = reg_r_wait(gspca_dev->dev, 0x06, 0x0000, 0x0000);
+ err = reg_r_wait(gspca_dev, 0x06, 0x0000, 0x0000);
if (err < 0)
return err;
- err = reg_w(gspca_dev->dev, 0xe0, 0x0000, 0x0000);
+ err = reg_w(gspca_dev, 0xe0, 0x0000, 0x0000);
if (err < 0)
return err;
- err = reg_r_wait(gspca_dev->dev, 0x06, 0, 0);
+ err = reg_r_wait(gspca_dev, 0x06, 0, 0);
if (err < 0) {
PDEBUG(D_ERR, "reg_r_wait() failed");
return err;
@@ -568,15 +562,13 @@ static int spca500_full_reset(struct gspca_dev *gspca_dev)
/* up-port the same feature as in 2.4.x kernel */
static int spca500_synch310(struct gspca_dev *gspca_dev)
{
- __u8 Data;
-
if (usb_set_interface(gspca_dev->dev, gspca_dev->iface, 0) < 0) {
PDEBUG(D_ERR, "Set packet size: set interface error");
goto error;
}
spca500_ping310(gspca_dev);
- reg_r(gspca_dev->dev, 0x0d00, &Data, 1);
+ reg_r(gspca_dev, 0x0d00, 1);
/* need alt setting here */
PDEBUG(D_PACK, "ClickSmart310 sync alt: %d", gspca_dev->alt);
@@ -600,12 +592,12 @@ static void spca500_reinit(struct gspca_dev *gspca_dev)
/* some unknow command from Aiptek pocket dv and family300 */
- reg_w(gspca_dev->dev, 0x00, 0x0d01, 0x01);
- reg_w(gspca_dev->dev, 0x00, 0x0d03, 0x00);
- reg_w(gspca_dev->dev, 0x00, 0x0d02, 0x01);
+ reg_w(gspca_dev, 0x00, 0x0d01, 0x01);
+ reg_w(gspca_dev, 0x00, 0x0d03, 0x00);
+ reg_w(gspca_dev, 0x00, 0x0d02, 0x01);
/* enable drop packet */
- reg_w(gspca_dev->dev, 0x00, 0x850a, 0x0001);
+ reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
err = spca50x_setup_qtable(gspca_dev, 0x00, 0x8800, 0x8840,
qtable_pocketdv);
@@ -613,22 +605,23 @@ static void spca500_reinit(struct gspca_dev *gspca_dev)
PDEBUG(D_ERR|D_STREAM, "spca50x_setup_qtable failed on init");
/* set qtable index */
- reg_w(gspca_dev->dev, 0x00, 0x8880, 2);
+ reg_w(gspca_dev, 0x00, 0x8880, 2);
/* family cam Quicksmart stuff */
- reg_w(gspca_dev->dev, 0x00, 0x800a, 0x00);
+ reg_w(gspca_dev, 0x00, 0x800a, 0x00);
/* Set agc transfer: synced inbetween frames */
- reg_w(gspca_dev->dev, 0x00, 0x820f, 0x01);
+ reg_w(gspca_dev, 0x00, 0x820f, 0x01);
/* Init SDRAM - needed for SDRAM access */
- reg_w(gspca_dev->dev, 0x00, 0x870a, 0x04);
+ reg_w(gspca_dev, 0x00, 0x870a, 0x04);
/*Start init sequence or stream */
-
- reg_w(gspca_dev->dev, 0, 0x8003, 0x00);
+ reg_w(gspca_dev, 0, 0x8003, 0x00);
/* switch to video camera mode */
- reg_w(gspca_dev->dev, 0x00, 0x8000, 0x0004);
+ reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
msleep(2000);
- if (reg_r_wait(gspca_dev->dev, 0, 0x8000, 0x44) != 0)
- reg_r(gspca_dev->dev, 0x816b, &Data, 1);
- reg_w(gspca_dev->dev, 0x00, 0x816b, Data);
+ if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0) {
+ reg_r(gspca_dev, 0x816b, 1);
+ Data = gspca_dev->usb_buf[0];
+ reg_w(gspca_dev, 0x00, 0x816b, Data);
+ }
}
/* this function is called at probe time */
@@ -785,9 +778,10 @@ static void sd_start(struct gspca_dev *gspca_dev)
}
/* is there a sensor here ? */
- reg_r(gspca_dev->dev, 0x8a04, &Data, 1);
- PDEBUG(D_STREAM, "Spca500 Sensor Address 0x%02X", Data);
- PDEBUG(D_STREAM, "Spca500 curr_mode: %d Xmult: 0x%02X, Ymult: 0x%02X",
+ reg_r(gspca_dev, 0x8a04, 1);
+ PDEBUG(D_STREAM, "Spca500 Sensor Address 0x%02x",
+ gspca_dev->usb_buf[0]);
+ PDEBUG(D_STREAM, "Spca500 curr_mode: %d Xmult: 0x%02x, Ymult: 0x%02x",
gspca_dev->curr_mode, xmult, ymult);
/* setup qtable */
@@ -796,33 +790,34 @@ static void sd_start(struct gspca_dev *gspca_dev)
spca500_setmode(gspca_dev, xmult, ymult);
/* enable drop packet */
- reg_w(gspca_dev->dev, 0x00, 0x850a, 0x0001);
- reg_w(gspca_dev->dev, 0x00, 0x8880, 3);
+ reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+ reg_w(gspca_dev, 0x00, 0x8880, 3);
err = spca50x_setup_qtable(gspca_dev,
0x00, 0x8800, 0x8840,
qtable_creative_pccam);
if (err < 0)
PDEBUG(D_ERR, "spca50x_setup_qtable failed");
/* Init SDRAM - needed for SDRAM access */
- reg_w(gspca_dev->dev, 0x00, 0x870a, 0x04);
+ reg_w(gspca_dev, 0x00, 0x870a, 0x04);
/* switch to video camera mode */
- reg_w(gspca_dev->dev, 0x00, 0x8000, 0x0004);
+ reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
msleep(500);
- if (reg_r_wait(gspca_dev->dev, 0, 0x8000, 0x44) != 0)
+ if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
PDEBUG(D_ERR, "reg_r_wait() failed");
- reg_r(gspca_dev->dev, 0x816b, &Data, 1);
- reg_w(gspca_dev->dev, 0x00, 0x816b, Data);
+ reg_r(gspca_dev, 0x816b, 1);
+ Data = gspca_dev->usb_buf[0];
+ reg_w(gspca_dev, 0x00, 0x816b, Data);
spca500_synch310(gspca_dev);
write_vector(gspca_dev, spca500_visual_defaults);
spca500_setmode(gspca_dev, xmult, ymult);
/* enable drop packet */
- reg_w(gspca_dev->dev, 0x00, 0x850a, 0x0001);
+ reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
PDEBUG(D_ERR, "failed to enable drop packet");
- reg_w(gspca_dev->dev, 0x00, 0x8880, 3);
+ reg_w(gspca_dev, 0x00, 0x8880, 3);
err = spca50x_setup_qtable(gspca_dev,
0x00, 0x8800, 0x8840,
qtable_creative_pccam);
@@ -830,16 +825,17 @@ static void sd_start(struct gspca_dev *gspca_dev)
PDEBUG(D_ERR, "spca50x_setup_qtable failed");
/* Init SDRAM - needed for SDRAM access */
- reg_w(gspca_dev->dev, 0x00, 0x870a, 0x04);
+ reg_w(gspca_dev, 0x00, 0x870a, 0x04);
/* switch to video camera mode */
- reg_w(gspca_dev->dev, 0x00, 0x8000, 0x0004);
+ reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
- if (reg_r_wait(gspca_dev->dev, 0, 0x8000, 0x44) != 0)
+ if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
PDEBUG(D_ERR, "reg_r_wait() failed");
- reg_r(gspca_dev->dev, 0x816b, &Data, 1);
- reg_w(gspca_dev->dev, 0x00, 0x816b, Data);
+ reg_r(gspca_dev, 0x816b, 1);
+ Data = gspca_dev->usb_buf[0];
+ reg_w(gspca_dev, 0x00, 0x816b, Data);
break;
case CreativePCCam300: /* Creative PC-CAM 300 640x480 CCD */
case IntelPocketPCCamera: /* FIXME: Temporary fix for
@@ -852,10 +848,10 @@ static void sd_start(struct gspca_dev *gspca_dev)
PDEBUG(D_ERR, "spca500_full_reset failed");
/* enable drop packet */
- err = reg_w(gspca_dev->dev, 0x00, 0x850a, 0x0001);
+ err = reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
if (err < 0)
PDEBUG(D_ERR, "failed to enable drop packet");
- reg_w(gspca_dev->dev, 0x00, 0x8880, 3);
+ reg_w(gspca_dev, 0x00, 0x8880, 3);
err = spca50x_setup_qtable(gspca_dev,
0x00, 0x8800, 0x8840,
qtable_creative_pccam);
@@ -863,16 +859,17 @@ static void sd_start(struct gspca_dev *gspca_dev)
PDEBUG(D_ERR, "spca50x_setup_qtable failed");
spca500_setmode(gspca_dev, xmult, ymult);
- reg_w(gspca_dev->dev, 0x20, 0x0001, 0x0004);
+ reg_w(gspca_dev, 0x20, 0x0001, 0x0004);
/* switch to video camera mode */
- reg_w(gspca_dev->dev, 0x00, 0x8000, 0x0004);
+ reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
- if (reg_r_wait(gspca_dev->dev, 0, 0x8000, 0x44) != 0)
+ if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
PDEBUG(D_ERR, "reg_r_wait() failed");
- reg_r(gspca_dev->dev, 0x816b, &Data, 1);
- reg_w(gspca_dev->dev, 0x00, 0x816b, Data);
+ reg_r(gspca_dev, 0x816b, 1);
+ Data = gspca_dev->usb_buf[0];
+ reg_w(gspca_dev, 0x00, 0x816b, Data);
/* write_vector(gspca_dev, spca500_visual_defaults); */
break;
@@ -883,8 +880,8 @@ static void sd_start(struct gspca_dev *gspca_dev)
if (err < 0)
PDEBUG(D_ERR, "spca500_full_reset failed");
/* enable drop packet */
- reg_w(gspca_dev->dev, 0x00, 0x850a, 0x0001);
- reg_w(gspca_dev->dev, 0x00, 0x8880, 0);
+ reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+ reg_w(gspca_dev, 0x00, 0x8880, 0);
err = spca50x_setup_qtable(gspca_dev,
0x00, 0x8800, 0x8840,
qtable_kodak_ez200);
@@ -892,16 +889,17 @@ static void sd_start(struct gspca_dev *gspca_dev)
PDEBUG(D_ERR, "spca50x_setup_qtable failed");
spca500_setmode(gspca_dev, xmult, ymult);
- reg_w(gspca_dev->dev, 0x20, 0x0001, 0x0004);
+ reg_w(gspca_dev, 0x20, 0x0001, 0x0004);
/* switch to video camera mode */
- reg_w(gspca_dev->dev, 0x00, 0x8000, 0x0004);
+ reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
- if (reg_r_wait(gspca_dev->dev, 0, 0x8000, 0x44) != 0)
+ if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
PDEBUG(D_ERR, "reg_r_wait() failed");
- reg_r(gspca_dev->dev, 0x816b, &Data, 1);
- reg_w(gspca_dev->dev, 0x00, 0x816b, Data);
+ reg_r(gspca_dev, 0x816b, 1);
+ Data = gspca_dev->usb_buf[0];
+ reg_w(gspca_dev, 0x00, 0x816b, Data);
/* write_vector(gspca_dev, spca500_visual_defaults); */
break;
@@ -916,56 +914,58 @@ static void sd_start(struct gspca_dev *gspca_dev)
case ToptroIndus:
case AgfaCl20:
spca500_reinit(gspca_dev);
- reg_w(gspca_dev->dev, 0x00, 0x0d01, 0x01);
+ reg_w(gspca_dev, 0x00, 0x0d01, 0x01);
/* enable drop packet */
- reg_w(gspca_dev->dev, 0x00, 0x850a, 0x0001);
+ reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
err = spca50x_setup_qtable(gspca_dev,
0x00, 0x8800, 0x8840, qtable_pocketdv);
if (err < 0)
PDEBUG(D_ERR, "spca50x_setup_qtable failed");
- reg_w(gspca_dev->dev, 0x00, 0x8880, 2);
+ reg_w(gspca_dev, 0x00, 0x8880, 2);
/* familycam Quicksmart pocketDV stuff */
- reg_w(gspca_dev->dev, 0x00, 0x800a, 0x00);
+ reg_w(gspca_dev, 0x00, 0x800a, 0x00);
/* Set agc transfer: synced inbetween frames */
- reg_w(gspca_dev->dev, 0x00, 0x820f, 0x01);
+ reg_w(gspca_dev, 0x00, 0x820f, 0x01);
/* Init SDRAM - needed for SDRAM access */
- reg_w(gspca_dev->dev, 0x00, 0x870a, 0x04);
+ reg_w(gspca_dev, 0x00, 0x870a, 0x04);
spca500_setmode(gspca_dev, xmult, ymult);
/* switch to video camera mode */
- reg_w(gspca_dev->dev, 0x00, 0x8000, 0x0004);
+ reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
- reg_r_wait(gspca_dev->dev, 0, 0x8000, 0x44);
+ reg_r_wait(gspca_dev, 0, 0x8000, 0x44);
- reg_r(gspca_dev->dev, 0x816b, &Data, 1);
- reg_w(gspca_dev->dev, 0x00, 0x816b, Data);
+ reg_r(gspca_dev, 0x816b, 1);
+ Data = gspca_dev->usb_buf[0];
+ reg_w(gspca_dev, 0x00, 0x816b, Data);
break;
case LogitechTraveler:
case LogitechClickSmart510:
- reg_w(gspca_dev->dev, 0x02, 0x00, 0x00);
+ reg_w(gspca_dev, 0x02, 0x00, 0x00);
/* enable drop packet */
- reg_w(gspca_dev->dev, 0x00, 0x850a, 0x0001);
+ reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
err = spca50x_setup_qtable(gspca_dev,
0x00, 0x8800,
0x8840, qtable_creative_pccam);
if (err < 0)
PDEBUG(D_ERR, "spca50x_setup_qtable failed");
- reg_w(gspca_dev->dev, 0x00, 0x8880, 3);
- reg_w(gspca_dev->dev, 0x00, 0x800a, 0x00);
+ reg_w(gspca_dev, 0x00, 0x8880, 3);
+ reg_w(gspca_dev, 0x00, 0x800a, 0x00);
/* Init SDRAM - needed for SDRAM access */
- reg_w(gspca_dev->dev, 0x00, 0x870a, 0x04);
+ reg_w(gspca_dev, 0x00, 0x870a, 0x04);
spca500_setmode(gspca_dev, xmult, ymult);
/* switch to video camera mode */
- reg_w(gspca_dev->dev, 0x00, 0x8000, 0x0004);
- reg_r_wait(gspca_dev->dev, 0, 0x8000, 0x44);
+ reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+ reg_r_wait(gspca_dev, 0, 0x8000, 0x44);
- reg_r(gspca_dev->dev, 0x816b, &Data, 1);
- reg_w(gspca_dev->dev, 0x00, 0x816b, Data);
+ reg_r(gspca_dev, 0x816b, 1);
+ Data = gspca_dev->usb_buf[0];
+ reg_w(gspca_dev, 0x00, 0x816b, Data);
write_vector(gspca_dev, Clicksmart510_defaults);
break;
}
@@ -973,14 +973,13 @@ static void sd_start(struct gspca_dev *gspca_dev)
static void sd_stopN(struct gspca_dev *gspca_dev)
{
- __u8 data;
-
- reg_w(gspca_dev->dev, 0, 0x8003, 0x00);
+ reg_w(gspca_dev, 0, 0x8003, 0x00);
/* switch to video camera mode */
- reg_w(gspca_dev->dev, 0x00, 0x8000, 0x0004);
- reg_r(gspca_dev->dev, 0x8000, &data, 1);
- PDEBUG(D_STREAM, "stop SPCA500 done reg8000: 0x%2x", data);
+ reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+ reg_r(gspca_dev, 0x8000, 1);
+ PDEBUG(D_STREAM, "stop SPCA500 done reg8000: 0x%2x",
+ gspca_dev->usb_buf[0]);
}
static void sd_stop0(struct gspca_dev *gspca_dev)
@@ -1043,7 +1042,7 @@ static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- reg_w(gspca_dev->dev, 0x00, 0x8167,
+ reg_w(gspca_dev, 0x00, 0x8167,
(__u8) (sd->brightness - 128));
}
@@ -1052,7 +1051,7 @@ static void getbrightness(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
int ret;
- ret = reg_r_12(gspca_dev->dev, 0x00, 0x8167, 1);
+ ret = reg_r_12(gspca_dev, 0x00, 0x8167, 1);
if (ret >= 0)
sd->brightness = ret + 128;
}
@@ -1061,7 +1060,7 @@ static void setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- reg_w(gspca_dev->dev, 0x00, 0x8168, sd->contrast);
+ reg_w(gspca_dev, 0x00, 0x8168, sd->contrast);
}
static void getcontrast(struct gspca_dev *gspca_dev)
@@ -1069,7 +1068,7 @@ static void getcontrast(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
int ret;
- ret = reg_r_12(gspca_dev->dev, 0x0, 0x8168, 1);
+ ret = reg_r_12(gspca_dev, 0x0, 0x8168, 1);
if (ret >= 0)
sd->contrast = ret;
}
@@ -1078,7 +1077,7 @@ static void setcolors(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- reg_w(gspca_dev->dev, 0x00, 0x8169, sd->colors);
+ reg_w(gspca_dev, 0x00, 0x8169, sd->colors);
}
static void getcolors(struct gspca_dev *gspca_dev)
@@ -1086,7 +1085,7 @@ static void getcolors(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
int ret;
- ret = reg_r_12(gspca_dev->dev, 0x0, 0x8169, 1);
+ ret = reg_r_12(gspca_dev, 0x0, 0x8169, 1);
if (ret >= 0)
sd->colors = ret;
}