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raspberrypi-kernel
提交 9a731a32 编写于 作者: J Jean-François Moine 提交者： Mauro Carvalho Chehab
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V4L/DVB: gspca - JPEG subdrivers: Don't allocate the JPEG header 

The JPEG header is now included in the subdriver structure instead
of being allocated and freed at capture start and stop.
Signed-off-by: NJean-François Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 456c9acb
隐藏空白更改
内联 并排
Showing with 18 addition and 94 deletion
drivers/media/video/gspca/conex.c
浏览文件 @ 9a731a32
......@@ -41,7 +41,7 @@ struct sd {
#define QUALITY_MAX 60
#define QUALITY_DEF 40
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
};
/* V4L2 controls supported by the driver */
......@@ -845,9 +845,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
/* create the JPEG header */
sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (!sd->jpeg_hdr)
return -ENOMEM;
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x22); /* JPEG 411 */
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
......@@ -862,11 +859,8 @@ static int sd_start(struct gspca_dev *gspca_dev)
/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int retry = 50;
kfree(sd->jpeg_hdr);
if (!gspca_dev->present)
return;
reg_w_val(gspca_dev, 0x0000, 0x00);
......
drivers/media/video/gspca/jeilinj.c
浏览文件 @ 9a731a32
......@@ -50,7 +50,7 @@ struct sd {
struct workqueue_struct *work_thread;
u8 quality; /* image quality */
u8 jpegqual; /* webcam quality */
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
};
struct jlj_command {
......@@ -282,7 +282,6 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
destroy_workqueue(dev->work_thread);
dev->work_thread = NULL;
mutex_lock(&gspca_dev->usb_lock);
kfree(dev->jpeg_hdr);
}
/* this function is called at probe and resume time */
......@@ -298,9 +297,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
int ret;
/* create the JPEG header */
dev->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (dev->jpeg_hdr == NULL)
return -ENOMEM;
jpeg_define(dev->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x21); /* JPEG 422 */
jpeg_set_qual(dev->jpeg_hdr, dev->quality);
......
drivers/media/video/gspca/mars.c
浏览文件 @ 9a731a32
......@@ -41,7 +41,7 @@ struct sd {
#define QUALITY_MAX 70
#define QUALITY_DEF 50
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
};
/* V4L2 controls supported by the driver */
......@@ -200,9 +200,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
int i;
/* create the JPEG header */
sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (!sd->jpeg_hdr)
return -ENOMEM;
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x21); /* JPEG 422 */
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
......@@ -317,13 +314,6 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
PDEBUG(D_ERR, "Camera Stop failed");
}
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
kfree(sd->jpeg_hdr);
}
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* isoc packet */
int len) /* iso packet length */
......@@ -486,7 +476,6 @@ static const struct sd_desc sd_desc = {
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
.get_jcomp = sd_get_jcomp,
.set_jcomp = sd_set_jcomp,
......
drivers/media/video/gspca/ov519.c
浏览文件 @ 9a731a32
......@@ -41,6 +41,11 @@
#include <linux/input.h>
#include "gspca.h"
/* The jpeg_hdr is used by w996Xcf only */
/* The CONEX_CAM define for jpeg.h needs renaming, now its used here too */
#define CONEX_CAM
#include "jpeg.h"
MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
MODULE_DESCRIPTION("OV519 USB Camera Driver");
MODULE_LICENSE("GPL");
......@@ -116,7 +121,7 @@ struct sd {
int sensor_height;
int sensor_reg_cache[256];
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
};
/* Note this is a bit of a hack, but the w9968cf driver needs the code for all
......
drivers/media/video/gspca/sn9c20x.c
浏览文件 @ 9a731a32
......@@ -89,7 +89,7 @@ struct sd {
u8 hstart;
u8 vstart;
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
u8 quality;
u8 flags;
......@@ -2162,10 +2162,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
int height = gspca_dev->height;
u8 fmt, scale = 0;
sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (sd->jpeg_hdr == NULL)
return -ENOMEM;
jpeg_define(sd->jpeg_hdr, height, width,
0x21);
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
......@@ -2197,8 +2193,8 @@ static int sd_start(struct gspca_dev *gspca_dev)
}
configure_sensor_output(gspca_dev, mode);
reg_w(gspca_dev, 0x1100, sd->jpeg_hdr + JPEG_QT0_OFFSET, 64);
reg_w(gspca_dev, 0x1140, sd->jpeg_hdr + JPEG_QT1_OFFSET, 64);
reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64);
reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64);
reg_w(gspca_dev, 0x10fb, CLR_WIN(width, height), 5);
reg_w(gspca_dev, 0x1180, HW_WIN(mode, sd->hstart, sd->vstart), 6);
reg_w1(gspca_dev, 0x1189, scale);
......@@ -2226,12 +2222,6 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
reg_w1(gspca_dev, 0x1061, gspca_dev->usb_buf[0] & ~0x02);
}
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
kfree(sd->jpeg_hdr);
}
static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum)
{
struct sd *sd = (struct sd *) gspca_dev;
......@@ -2397,7 +2387,6 @@ static const struct sd_desc sd_desc = {
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
#ifdef CONFIG_INPUT
.int_pkt_scan = sd_int_pkt_scan,
......
drivers/media/video/gspca/spca500.c
浏览文件 @ 9a731a32
......@@ -57,7 +57,7 @@ struct sd {
#define PalmPixDC85 13
#define ToptroIndus 14
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
};
/* V4L2 controls supported by the driver */
......@@ -669,9 +669,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
__u8 xmult, ymult;
/* create the JPEG header */
sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (!sd->jpeg_hdr)
return -ENOMEM;
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x22); /* JPEG 411 */
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
......@@ -891,13 +888,6 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
gspca_dev->usb_buf[0]);
}
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
kfree(sd->jpeg_hdr);
}
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* isoc packet */
int len) /* iso packet length */
......@@ -1055,7 +1045,6 @@ static const struct sd_desc sd_desc = {
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
.get_jcomp = sd_get_jcomp,
.set_jcomp = sd_set_jcomp,
......
drivers/media/video/gspca/stk014.c
浏览文件 @ 9a731a32
......@@ -40,7 +40,7 @@ struct sd {
#define QUALITY_MAX 95
#define QUALITY_DEF 80
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
};
/* V4L2 controls supported by the driver */
......@@ -337,9 +337,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
int ret, value;
/* create the JPEG header */
sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (!sd->jpeg_hdr)
return -ENOMEM;
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x22); /* JPEG 411 */
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
......@@ -412,13 +409,6 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
PDEBUG(D_STREAM, "camera stopped");
}
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
kfree(sd->jpeg_hdr);
}
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* isoc packet */
int len) /* iso packet length */
......@@ -578,7 +568,6 @@ static const struct sd_desc sd_desc = {
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
.querymenu = sd_querymenu,
.get_jcomp = sd_get_jcomp,
......
drivers/media/video/gspca/sunplus.c
浏览文件 @ 9a731a32
......@@ -54,7 +54,7 @@ struct sd {
#define MegapixV4 4
#define MegaImageVI 5
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
};
/* V4L2 controls supported by the driver */
......@@ -842,9 +842,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
int enable;
/* create the JPEG header */
sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (!sd->jpeg_hdr)
return -ENOMEM;
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x22); /* JPEG 411 */
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
......@@ -954,13 +951,6 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
}
}
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
kfree(sd->jpeg_hdr);
}
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* isoc packet */
int len) /* iso packet length */
......@@ -1162,7 +1152,6 @@ static const struct sd_desc sd_desc = {
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
.get_jcomp = sd_get_jcomp,
.set_jcomp = sd_set_jcomp,
......
drivers/media/video/gspca/w996Xcf.c
浏览文件 @ 9a731a32
......@@ -31,14 +31,10 @@
the sensor drivers to v4l2 sub drivers, and properly split of this
driver from ov519.c */
/* The CONEX_CAM define for jpeg.h needs renaming, now its used here too */
#define CONEX_CAM
#include "jpeg.h"
#define W9968CF_I2C_BUS_DELAY 4 /* delay in us for I2C bit r/w operations */
#define Y_QUANTABLE (sd->jpeg_hdr + JPEG_QT0_OFFSET)
#define UV_QUANTABLE (sd->jpeg_hdr + JPEG_QT1_OFFSET)
#define Y_QUANTABLE (&sd->jpeg_hdr[JPEG_QT0_OFFSET])
#define UV_QUANTABLE (&sd->jpeg_hdr[JPEG_QT1_OFFSET])
static const struct v4l2_pix_format w9968cf_vga_mode[] = {
{160, 120, V4L2_PIX_FMT_UYVY, V4L2_FIELD_NONE,
......@@ -509,11 +505,6 @@ static int w9968cf_mode_init_regs(struct sd *sd)
if (w9968cf_vga_mode[sd->gspca_dev.curr_mode].pixelformat ==
V4L2_PIX_FMT_JPEG) {
/* We may get called multiple times (usb isoc bw negotiat.) */
if (!sd->jpeg_hdr)
sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (!sd->jpeg_hdr)
return -ENOMEM;
jpeg_define(sd->jpeg_hdr, sd->gspca_dev.height,
sd->gspca_dev.width, 0x22); /* JPEG 420 */
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
......@@ -562,9 +553,6 @@ static void w9968cf_stop0(struct sd *sd)
reg_w(sd, 0x39, 0x0000); /* disable JPEG encoder */
reg_w(sd, 0x16, 0x0000); /* stop video capture */
}
kfree(sd->jpeg_hdr);
sd->jpeg_hdr = NULL;
}
/* The w9968cf docs say that a 0 sized packet means EOF (and also SOF
......
drivers/media/video/gspca/zc3xx.c
浏览文件 @ 9a731a32
......@@ -75,7 +75,7 @@ struct sd {
#define SENSOR_MAX 19
unsigned short chip_revision;
u8 *jpeg_hdr;
u8 jpeg_hdr[JPEG_HDR_SZ];
};
/* V4L2 controls supported by the driver */
......@@ -6798,9 +6798,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
};
/* create the JPEG header */
sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
if (!sd->jpeg_hdr)
return -ENOMEM;
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x21); /* JPEG 422 */
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
......@@ -6931,7 +6928,6 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
kfree(sd->jpeg_hdr);
if (!gspca_dev->present)
return;
send_unknown(gspca_dev->dev, sd->sensor);
......
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