From 1d243c2e18a6070f4029b774966c51967c3240e0 Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Wed, 18 May 2011 22:29:29 +0300 Subject: [PATCH] staging/easycap: probe: simplify the endpoints tests we are interested only in isochronous in endpoints so we can simplify the flow Cc: Mike Thomas Signed-off-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- drivers/staging/easycap/easycap_main.c | 263 +++++++++++-------------- 1 file changed, 119 insertions(+), 144 deletions(-) diff --git a/drivers/staging/easycap/easycap_main.c b/drivers/staging/easycap/easycap_main.c index 1adcef83983f..9b6aef08ee4c 100644 --- a/drivers/staging/easycap/easycap_main.c +++ b/drivers/staging/easycap/easycap_main.c @@ -2988,7 +2988,7 @@ static int easycap_usb_probe(struct usb_interface *intf, struct data_urb *pdata_urb; size_t wMaxPacketSize; u8 bEndpointAddress; - int isin, i, j, k, m, rc; + int i, j, k, m, rc; u8 bInterfaceNumber; u8 bInterfaceClass; u8 bInterfaceSubClass; @@ -3353,155 +3353,130 @@ static int easycap_usb_probe(struct usb_interface *intf, wMaxPacketSize = le16_to_cpu(ep->wMaxPacketSize); bEndpointAddress = ep->bEndpointAddress; - if (ep->bEndpointAddress & USB_DIR_IN) { - JOM(4, "intf[%i]alt[%i]end[%i] is an IN endpoint\n", - bInterfaceNumber, i, j); - isin = 1; - } else { - JOM(4, "intf[%i]alt[%i]end[%i] is an OUT endpoint\n", - bInterfaceNumber, i, j); - SAM("ERROR: OUT endpoint unexpected\n"); - SAM("...... continuing\n"); - isin = 0; + + if (!usb_endpoint_is_isoc_in(ep)) { + JOM(4, "intf[%i]alt[%i]end[%i] is a %d endpoint\n", + bInterfaceNumber, + i, j, ep->bmAttributes); + if (usb_endpoint_dir_out(ep)) { + SAM("ERROR: OUT endpoint unexpected\n"); + SAM("...... continuing\n"); + } + continue; } - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_ISOC) { - JOM(4, "intf[%i]alt[%i]end[%i] is an ISOC endpoint\n", - bInterfaceNumber, i, j); - if (isin) { - switch (bInterfaceClass) { - case USB_CLASS_VIDEO: - case USB_CLASS_VENDOR_SPEC: { - if (!peasycap) { - SAM("MISTAKE: " - "peasycap is NULL\n"); - return -EFAULT; - } - if (ep->wMaxPacketSize) { - if (8 > isokalt) { - okalt[isokalt] = i; - JOM(4, - "%i=okalt[%i]\n", - okalt[isokalt], - isokalt); - okepn[isokalt] = - ep-> - bEndpointAddress & - 0x0F; - JOM(4, - "%i=okepn[%i]\n", - okepn[isokalt], - isokalt); - okmps[isokalt] = - le16_to_cpu(ep-> - wMaxPacketSize); - JOM(4, - "%i=okmps[%i]\n", - okmps[isokalt], - isokalt); - isokalt++; - } - } else { - if (-1 == peasycap-> - video_altsetting_off) { - peasycap-> - video_altsetting_off = - i; - JOM(4, "%i=video_" - "altsetting_off " - "<====\n", - peasycap-> - video_altsetting_off); - } else { - SAM("ERROR: peasycap" - "->video_altsetting_" - "off already set\n"); - SAM("...... " - "continuing with " - "%i=peasycap->video_" - "altsetting_off\n", - peasycap-> - video_altsetting_off); - } - } - break; + switch (bInterfaceClass) { + case USB_CLASS_VIDEO: + case USB_CLASS_VENDOR_SPEC: { + if (ep->wMaxPacketSize) { + if (8 > isokalt) { + okalt[isokalt] = i; + JOM(4, + "%i=okalt[%i]\n", + okalt[isokalt], + isokalt); + okepn[isokalt] = + ep-> + bEndpointAddress & + 0x0F; + JOM(4, + "%i=okepn[%i]\n", + okepn[isokalt], + isokalt); + okmps[isokalt] = + le16_to_cpu(ep-> + wMaxPacketSize); + JOM(4, + "%i=okmps[%i]\n", + okmps[isokalt], + isokalt); + isokalt++; } - case USB_CLASS_AUDIO: { - if (bInterfaceSubClass != - USB_SUBCLASS_AUDIOSTREAMING) - break; - if (!peasycap) { - SAM("MISTAKE: " - "peasycap is NULL\n"); - return -EFAULT; - } - if (ep->wMaxPacketSize) { - if (8 > isokalt) { - okalt[isokalt] = i ; - JOM(4, - "%i=okalt[%i]\n", - okalt[isokalt], - isokalt); - okepn[isokalt] = - ep-> - bEndpointAddress & - 0x0F; - JOM(4, - "%i=okepn[%i]\n", - okepn[isokalt], - isokalt); - okmps[isokalt] = - le16_to_cpu(ep-> - wMaxPacketSize); - JOM(4, - "%i=okmps[%i]\n", - okmps[isokalt], - isokalt); - isokalt++; - } - } else { - if (-1 == peasycap-> - audio_altsetting_off) { - peasycap-> - audio_altsetting_off = - i; - JOM(4, "%i=audio_" - "altsetting_off " - "<====\n", - peasycap-> - audio_altsetting_off); - } else { - SAM("ERROR: peasycap" - "->audio_altsetting_" - "off already set\n"); - SAM("...... " - "continuing with " - "%i=peasycap->" - "audio_altsetting_" - "off\n", - peasycap-> - audio_altsetting_off); - } - } + } else { + if (-1 == peasycap-> + video_altsetting_off) { + peasycap-> + video_altsetting_off = + i; + JOM(4, "%i=video_" + "altsetting_off " + "<====\n", + peasycap-> + video_altsetting_off); + } else { + SAM("ERROR: peasycap" + "->video_altsetting_" + "off already set\n"); + SAM("...... " + "continuing with " + "%i=peasycap->video_" + "altsetting_off\n", + peasycap-> + video_altsetting_off); + } + } + break; + } + case USB_CLASS_AUDIO: { + if (bInterfaceSubClass != + USB_SUBCLASS_AUDIOSTREAMING) break; + if (!peasycap) { + SAM("MISTAKE: " + "peasycap is NULL\n"); + return -EFAULT; + } + if (ep->wMaxPacketSize) { + if (8 > isokalt) { + okalt[isokalt] = i ; + JOM(4, + "%i=okalt[%i]\n", + okalt[isokalt], + isokalt); + okepn[isokalt] = + ep-> + bEndpointAddress & + 0x0F; + JOM(4, + "%i=okepn[%i]\n", + okepn[isokalt], + isokalt); + okmps[isokalt] = + le16_to_cpu(ep-> + wMaxPacketSize); + JOM(4, + "%i=okmps[%i]\n", + okmps[isokalt], + isokalt); + isokalt++; } - default: - break; + } else { + if (-1 == peasycap-> + audio_altsetting_off) { + peasycap-> + audio_altsetting_off = + i; + JOM(4, "%i=audio_" + "altsetting_off " + "<====\n", + peasycap-> + audio_altsetting_off); + } else { + SAM("ERROR: peasycap" + "->audio_altsetting_" + "off already set\n"); + SAM("...... " + "continuing with " + "%i=peasycap->" + "audio_altsetting_" + "off\n", + peasycap-> + audio_altsetting_off); } } - } else if ((ep->bmAttributes & - USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_BULK) { - JOM(4, "intf[%i]alt[%i]end[%i] is a BULK endpoint\n", - bInterfaceNumber, i, j); - } else if ((ep->bmAttributes & - USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_INT) { - JOM(4, "intf[%i]alt[%i]end[%i] is an INT endpoint\n", - bInterfaceNumber, i, j); - } else { - JOM(4, "intf[%i]alt[%i]end[%i] is a CTRL endpoint\n", - bInterfaceNumber, i, j); + break; + } + default: + break; } if (0 == ep->wMaxPacketSize) { JOM(4, "intf[%i]alt[%i]end[%i] " -- 2.34.1