From: Jean-François Moine Date: Wed, 30 Nov 2011 08:54:16 +0000 (-0300) Subject: [media] gspca: Remove the useless variable 'nbalt' X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6121ca572f1b38dbce79b0366b47dbf2ce305eec;p=linux-beck.git [media] gspca: Remove the useless variable 'nbalt' As the alternate settings are now sorted in gspca main, the variable 'nbalt' is no more useful. Signed-off-by: Jean-François Moine Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/gspca/benq.c b/drivers/media/video/gspca/benq.c index 1d1a412d6264..390291ceba26 100644 --- a/drivers/media/video/gspca/benq.c +++ b/drivers/media/video/gspca/benq.c @@ -134,13 +134,17 @@ static int sd_start(struct gspca_dev *gspca_dev) static void sd_stopN(struct gspca_dev *gspca_dev) { + struct usb_interface *intf; + reg_w(gspca_dev, 0x003c, 0x0003); reg_w(gspca_dev, 0x003c, 0x0004); reg_w(gspca_dev, 0x003c, 0x0005); reg_w(gspca_dev, 0x003c, 0x0006); reg_w(gspca_dev, 0x003c, 0x0007); + + intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface); usb_set_interface(gspca_dev->dev, gspca_dev->iface, - gspca_dev->nbalt - 1); + intf->num_altsetting - 1); } static void sd_pkt_scan(struct gspca_dev *gspca_dev, diff --git a/drivers/media/video/gspca/gl860/gl860.c b/drivers/media/video/gspca/gl860/gl860.c index 2ced3b73994f..d74da8e0fef9 100644 --- a/drivers/media/video/gspca/gl860/gl860.c +++ b/drivers/media/video/gspca/gl860/gl860.c @@ -337,7 +337,6 @@ static int sd_config(struct gspca_dev *gspca_dev, return -1; cam = &gspca_dev->cam; - gspca_dev->nbalt = 4; switch (sd->sensor) { case ID_MI1320: diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 881e04c7ffe6..271be9866893 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -880,7 +880,7 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) for (;;) { if (alt != gspca_dev->alt) { alt = gspca_dev->alt; - if (gspca_dev->nbalt > 1) { + if (intf->num_altsetting > 1) { ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, alt); @@ -2300,7 +2300,6 @@ int gspca_dev_probe2(struct usb_interface *intf, } gspca_dev->dev = dev; gspca_dev->iface = intf->cur_altsetting->desc.bInterfaceNumber; - gspca_dev->nbalt = intf->num_altsetting; /* check if any audio device */ if (dev->config->desc.bNumInterfaces != 1) { diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index 65ddb84cacd9..5f1f46c8e373 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -207,7 +207,6 @@ struct gspca_dev { char memory; /* memory type (V4L2_MEMORY_xxx) */ __u8 iface; /* USB interface number */ __u8 alt; /* USB alternate setting */ - __u8 nbalt; /* number of USB alternate settings */ u8 audio; /* presence of audio device */ }; diff --git a/drivers/media/video/gspca/konica.c b/drivers/media/video/gspca/konica.c index f3f7fe0ec4b7..494b05ed8f1a 100644 --- a/drivers/media/video/gspca/konica.c +++ b/drivers/media/video/gspca/konica.c @@ -247,9 +247,6 @@ static int sd_config(struct gspca_dev *gspca_dev, gspca_dev->cam.cam_mode = vga_mode; gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode); gspca_dev->cam.no_urb_create = 1; - /* The highest alt setting has an isoc packetsize of 0, so we - don't want to use it */ - gspca_dev->nbalt--; sd->brightness = BRIGHTNESS_DEFAULT; sd->contrast = CONTRAST_DEFAULT; diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c index ef45fa575752..edd32793bb17 100644 --- a/drivers/media/video/gspca/mars.c +++ b/drivers/media/video/gspca/mars.c @@ -263,7 +263,6 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->nmodes = ARRAY_SIZE(vga_mode); cam->ctrls = sd->ctrls; sd->quality = QUALITY_DEF; - gspca_dev->nbalt = 9; /* use the altsetting 08 */ return 0; } diff --git a/drivers/media/video/gspca/se401.c b/drivers/media/video/gspca/se401.c index 3b71bbcd977a..6d9835342e0a 100644 --- a/drivers/media/video/gspca/se401.c +++ b/drivers/media/video/gspca/se401.c @@ -376,7 +376,6 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->bulk_size = BULK_SIZE; cam->bulk_nurbs = 4; cam->ctrls = sd->ctrls; - gspca_dev->nbalt = 1; /* Ignore the bogus isoc alt settings */ sd->resetlevel = 0x2d; /* Set initial resetlevel */ /* See if the camera supports brightness */ @@ -395,6 +394,14 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } +/* function called at start time before URB creation */ +static int sd_isoc_init(struct gspca_dev *gspca_dev) +{ + gspca_dev->alt = 1; /* Ignore the bogus isoc alt settings */ + + return gspca_dev->usb_err; +} + /* -- start the camera -- */ static int sd_start(struct gspca_dev *gspca_dev) { @@ -714,6 +721,7 @@ static const struct sd_desc sd_desc = { .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, .init = sd_init, + .isoc_init = sd_isoc_init, .start = sd_start, .stopN = sd_stopN, .dq_callback = sd_dq_callback, diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index c746bf19ca14..ced16a073a82 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -1779,10 +1779,6 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->ag_cnt = -1; sd->quality = QUALITY_DEF; - /* if USB 1.1, let some bandwidth for the audio device */ - if (gspca_dev->audio && gspca_dev->dev->speed < USB_SPEED_HIGH) - gspca_dev->nbalt--; - INIT_WORK(&sd->work, qual_upd); return 0; diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index c82fd53cef95..61743d425584 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -451,7 +451,6 @@ static int sd_config(struct gspca_dev *gspca_dev, } cam = &gspca_dev->cam; - gspca_dev->nbalt = 7 + 1; /* choose alternate 7 first */ sd->chip_revision = id->driver_info; if (sd->chip_revision == Rev012A) { diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c index 30ea1e479492..c4b8845b5f0b 100644 --- a/drivers/media/video/gspca/zc3xx.c +++ b/drivers/media/video/gspca/zc3xx.c @@ -6426,10 +6426,6 @@ static int sd_config(struct gspca_dev *gspca_dev, gspca_dev->cam.ctrls = sd->ctrls; sd->quality = QUALITY_DEF; - /* if USB 1.1, let some bandwidth for the audio device */ - if (gspca_dev->audio && gspca_dev->dev->speed < USB_SPEED_HIGH) - gspca_dev->nbalt--; - return 0; }