From 6a709749228c5f76f128c69c16f39a52d639bd96 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Wed, 3 Sep 2008 16:48:10 -0300 Subject: V4L/DVB (8718): gspca: suspend/resume added. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/mars.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/media/video/gspca/mars.c') diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c index 21c4ee56a10a..d7e209578186 100644 --- a/drivers/media/video/gspca/mars.c +++ b/drivers/media/video/gspca/mars.c @@ -439,6 +439,10 @@ static struct usb_driver sd_driver = { .id_table = device_table, .probe = sd_probe, .disconnect = gspca_disconnect, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, +#endif }; /* -- module insert / remove -- */ -- cgit v1.2.2 From 012d6b029ec17f45374303bbdccd0bc206725751 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Wed, 3 Sep 2008 17:12:16 -0300 Subject: V4L/DVB (8822): gspca: Change some subdriver functions for suspend/resume. - new function 'init' called on probe and resume - remove the functions 'open' and 'closed' - 'stopN' and 'stop0' are optional Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/mars.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) (limited to 'drivers/media/video/gspca/mars.c') diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c index d7e209578186..281475913a61 100644 --- a/drivers/media/video/gspca/mars.c +++ b/drivers/media/video/gspca/mars.c @@ -144,8 +144,8 @@ static int sd_config(struct gspca_dev *gspca_dev, return 0; } -/* this function is called at open time */ -static int sd_open(struct gspca_dev *gspca_dev) +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) { return 0; } @@ -358,14 +358,6 @@ static void sd_stopN(struct gspca_dev *gspca_dev) PDEBUG(D_ERR, "Camera Stop failed"); } -static void sd_stop0(struct gspca_dev *gspca_dev) -{ -} - -static void sd_close(struct gspca_dev *gspca_dev) -{ -} - static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, /* target */ __u8 *data, /* isoc packet */ @@ -411,11 +403,9 @@ static const struct sd_desc sd_desc = { .ctrls = sd_ctrls, .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, - .open = sd_open, + .init = sd_init, .start = sd_start, .stopN = sd_stopN, - .stop0 = sd_stop0, - .close = sd_close, .pkt_scan = sd_pkt_scan, }; -- cgit v1.2.2 From 8295d99ee5340f1e62b53c8adc979e0789299445 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Wed, 3 Sep 2008 17:12:19 -0300 Subject: V4L/DVB (8829): gspca: Have a clean kmalloc-ated buffer for USB exchanges. The USB buffer may be used for DMA and there may be a caching problem if the buffer is part of the device structure. Thanks to Alan Stern. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/mars.c | 21 +-------------------- 1 file changed, 1 insertion(+), 20 deletions(-) (limited to 'drivers/media/video/gspca/mars.c') diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c index 281475913a61..4d5db47ba8cb 100644 --- a/drivers/media/video/gspca/mars.c +++ b/drivers/media/video/gspca/mars.c @@ -100,22 +100,6 @@ static int reg_w(struct gspca_dev *gspca_dev, return rc; } -static int reg_w_buf(struct gspca_dev *gspca_dev, - __u16 index, __u8 *buf, int len) -{ - int rc; - - rc = usb_control_msg(gspca_dev->dev, - usb_sndbulkpipe(gspca_dev->dev, 4), - 0x12, - 0xc8, /* ?? */ - 0, /* value */ - index, buf, len, 500); - if (rc < 0) - PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc); - return rc; -} - static void bulk_w(struct gspca_dev *gspca_dev, __u16 *pch, __u16 Address) @@ -175,7 +159,6 @@ static void sd_start(struct gspca_dev *gspca_dev) /* Initialize the MR97113 chip register */ - data = kmalloc(16, GFP_KERNEL); data[0] = 0x00; /* address */ data[1] = 0x0c | 0x01; /* reg 0 */ data[2] = 0x01; /* reg 1 */ @@ -195,12 +178,10 @@ static void sd_start(struct gspca_dev *gspca_dev) data[10] = 0x5d; /* reg 9, I2C device address * [for PAS5101 (0x40)] [for MI (0x5d)] */ - err_code = reg_w_buf(gspca_dev, data[0], data, 11); - kfree(data); + err_code = reg_w(gspca_dev, data[0], 11); if (err_code < 0) return; - data = gspca_dev->usb_buf; data[0] = 0x23; /* address */ data[1] = 0x09; /* reg 35, append frame header */ -- cgit v1.2.2