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Date: Sun, 25 Dec 2016 19:36:38 +0100
From: SF Markus Elfring <elfring@...rs.sourceforge.net>
To: linux-media@...r.kernel.org,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
kernel-janitors@...r.kernel.org, trivial@...nel.org
Subject: [PATCH 06/19] [media] uvc_driver: Add some spaces for better code
readability
From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sun, 25 Dec 2016 10:37:17 +0100
Use space characters at some source code places according to
the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
drivers/media/usb/uvc/uvc_driver.c | 62 +++++++++++++++++++-------------------
1 file changed, 31 insertions(+), 31 deletions(-)
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index c05ba4bdec2d..563b51d0b398 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -284,7 +284,7 @@ void uvc_simplify_fraction(uint32_t *numerator, uint32_t *denominator,
for (i = n; i > 0; --i) {
r = y;
- y = an[i-1] * y + x;
+ y = an[i - 1] * y + x;
x = r;
}
@@ -303,7 +303,7 @@ uint32_t uvc_fraction_to_interval(uint32_t numerator, uint32_t denominator)
/* Saturate the result if the operation would overflow. */
if (denominator == 0 ||
- numerator/denominator >= ((uint32_t)-1)/10000000)
+ numerator / denominator >= ((uint32_t)-1) / 10000000)
return (uint32_t)-1;
/* Divide both the denominator and the multiplier by two until
@@ -311,7 +311,7 @@ uint32_t uvc_fraction_to_interval(uint32_t numerator, uint32_t denominator)
* algorithm please let me know.
*/
multiplier = 10000000;
- while (numerator > ((uint32_t)-1)/multiplier) {
+ while (numerator > ((uint32_t)-1) / multiplier) {
multiplier /= 2;
denominator /= 2;
}
@@ -527,7 +527,7 @@ static int uvc_parse_format(struct uvc_device *dev,
n = n ? n : 3;
- if (buflen < 26 + 4*n) {
+ if (buflen < 26 + 4 * n) {
uvc_trace(UVC_TRACE_DESCR,
"device %d videostreaming interface %d FRAME error\n",
dev->udev->devnum,
@@ -574,7 +574,7 @@ static int uvc_parse_format(struct uvc_device *dev,
* some other divisions by zero that could happen.
*/
for (i = 0; i < n; ++i) {
- interval = get_unaligned_le32(&buffer[26+4*i]);
+ interval = get_unaligned_le32(&buffer[26 + 4 * i]);
*(*intervals)++ = interval ? interval : 1;
}
@@ -594,9 +594,9 @@ static int uvc_parse_format(struct uvc_device *dev,
}
uvc_trace(UVC_TRACE_DESCR, "- %ux%u (%u.%u fps)\n",
- frame->wWidth, frame->wHeight,
- 10000000/frame->dwDefaultFrameInterval,
- (100000000/frame->dwDefaultFrameInterval)%10);
+ frame->wWidth, frame->wHeight,
+ 10000000 / frame->dwDefaultFrameInterval,
+ (100000000 / frame->dwDefaultFrameInterval) % 10);
format->nframes++;
buflen -= buffer[0];
@@ -725,9 +725,9 @@ static int uvc_parse_streaming(struct uvc_device *dev,
}
p = buflen >= 4 ? buffer[3] : 0;
- n = buflen >= size ? buffer[size-1] : 0;
+ n = buflen >= size ? buffer[size - 1] : 0;
- if (buflen < size + p*n) {
+ if (buflen < size + p * n) {
uvc_trace(UVC_TRACE_DESCR,
"device %d videostreaming interface %d HEADER descriptor is invalid.\n",
dev->udev->devnum, alts->desc.bInterfaceNumber);
@@ -914,7 +914,7 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u8 id,
for (i = 0; i < num_inputs; ++i)
entity->pads[i].flags = MEDIA_PAD_FL_SINK;
if (!UVC_ENTITY_IS_OTERM(entity))
- entity->pads[num_pads-1].flags = MEDIA_PAD_FL_SOURCE;
+ entity->pads[num_pads - 1].flags = MEDIA_PAD_FL_SOURCE;
entity->bNrInPins = num_inputs;
entity->baSourceID = (__u8 *)(&entity->pads[num_pads]);
@@ -964,9 +964,9 @@ static int uvc_parse_vendor_control(struct uvc_device *dev,
* ----------------------------------------------------------
*/
p = buflen >= 22 ? buffer[21] : 0;
- n = buflen >= 25 + p ? buffer[22+p] : 0;
+ n = buflen >= 25 + p ? buffer[22 + p] : 0;
- if (buflen < 25 + p + 2*n) {
+ if (buflen < 25 + p + 2 * n) {
uvc_trace(UVC_TRACE_DESCR,
"device %d videocontrol interface %d EXTENSION_UNIT error\n",
udev->devnum, alts->desc.bInterfaceNumber);
@@ -974,21 +974,21 @@ static int uvc_parse_vendor_control(struct uvc_device *dev,
}
unit = uvc_alloc_entity(UVC_VC_EXTENSION_UNIT, buffer[3],
- p + 1, 2*n);
+ p + 1, 2 * n);
if (!unit)
return -ENOMEM;
memcpy(unit->extension.guidExtensionCode, &buffer[4], 16);
unit->extension.bNumControls = buffer[20];
memcpy(unit->baSourceID, &buffer[22], p);
- unit->extension.bControlSize = buffer[22+p];
+ unit->extension.bControlSize = buffer[22 + p];
unit->extension.bmControls = (__u8 *)unit + sizeof(*unit);
unit->extension.bmControlsType = (__u8 *)unit + sizeof(*unit)
+ n;
- memcpy(unit->extension.bmControls, &buffer[23+p], 2*n);
+ memcpy(unit->extension.bmControls, &buffer[23 + p], 2 * n);
- if (buffer[24+p+2*n] != 0)
- usb_string(udev, buffer[24+p+2*n], unit->name,
+ if (buffer[24 + p + 2 * n] != 0)
+ usb_string(udev, buffer[24 + p + 2 * n], unit->name,
sizeof(unit->name));
else
sprintf(unit->name, "Extension %u", buffer[3]);
@@ -1027,7 +1027,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
/* Parse all USB Video Streaming interfaces. */
for (i = 0; i < n; ++i) {
- intf = usb_ifnum_to_if(udev, buffer[12+i]);
+ intf = usb_ifnum_to_if(udev, buffer[12 + i]);
if (!intf) {
uvc_trace(UVC_TRACE_DESCR,
"device %d interface %d doesn't exists\n",
@@ -1071,7 +1071,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
} else if (type == UVC_ITT_MEDIA_TRANSPORT_INPUT) {
n = buflen >= 9 ? buffer[8] : 0;
- p = buflen >= 10 + n ? buffer[9+n] : 0;
+ p = buflen >= 10 + n ? buffer[9 + n] : 0;
len = 10;
}
@@ -1105,7 +1105,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
term->media.bmTransportModes = (__u8 *)term
+ sizeof(*term) + n;
memcpy(term->media.bmControls, &buffer[9], n);
- memcpy(term->media.bmTransportModes, &buffer[10+n], p);
+ memcpy(term->media.bmTransportModes, &buffer[10 + n], p);
}
if (buffer[7] != 0)
@@ -1175,8 +1175,8 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
memcpy(unit->baSourceID, &buffer[5], p);
- if (buffer[5+p] != 0)
- usb_string(udev, buffer[5+p], unit->name,
+ if (buffer[5 + p] != 0)
+ usb_string(udev, buffer[5 + p], unit->name,
sizeof(unit->name));
else
sprintf(unit->name, "Selector %u", buffer[3]);
@@ -1206,10 +1206,10 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
unit->processing.bmControls = (__u8 *)unit + sizeof(*unit);
memcpy(unit->processing.bmControls, &buffer[8], n);
if (dev->uvc_version >= 0x0110)
- unit->processing.bmVideoStandards = buffer[9+n];
+ unit->processing.bmVideoStandards = buffer[9 + n];
- if (buffer[8+n] != 0)
- usb_string(udev, buffer[8+n], unit->name,
+ if (buffer[8 + n] != 0)
+ usb_string(udev, buffer[8 + n], unit->name,
sizeof(unit->name));
else
sprintf(unit->name, "Processing %u", buffer[3]);
@@ -1219,7 +1219,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
case UVC_VC_EXTENSION_UNIT:
p = buflen >= 22 ? buffer[21] : 0;
- n = buflen >= 24 + p ? buffer[22+p] : 0;
+ n = buflen >= 24 + p ? buffer[22 + p] : 0;
if (buflen < 24 + p + n) {
uvc_trace(UVC_TRACE_DESCR,
@@ -1235,12 +1235,12 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
memcpy(unit->extension.guidExtensionCode, &buffer[4], 16);
unit->extension.bNumControls = buffer[20];
memcpy(unit->baSourceID, &buffer[22], p);
- unit->extension.bControlSize = buffer[22+p];
+ unit->extension.bControlSize = buffer[22 + p];
unit->extension.bmControls = (__u8 *)unit + sizeof(*unit);
- memcpy(unit->extension.bmControls, &buffer[23+p], n);
+ memcpy(unit->extension.bmControls, &buffer[23 + p], n);
- if (buffer[23+p+n] != 0)
- usb_string(udev, buffer[23+p+n], unit->name,
+ if (buffer[23 + p + n] != 0)
+ usb_string(udev, buffer[23 + p + n], unit->name,
sizeof(unit->name));
else
sprintf(unit->name, "Extension %u", buffer[3]);
--
2.11.0
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