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V4L/DVB (9659): uvcvideo: Use {get|set}_unaligned_le32 macros

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Replace combination of endianess conversion and unaligned access macros with
{get|set}_unaligned_*.

Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2008-11-11 14:04:30 -03:00 committed by Mauro Carvalho Chehab
parent 23159a0bfc
commit 4d3939f6ee
1 changed files with 6 additions and 12 deletions
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18
drivers/media/video/uvc/uvc_video.c
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@ -142,14 +142,11 @@ static int uvc_get_video_ctrl(struct uvc_video_device *video,
ctrl->wCompQuality = le16_to_cpup((__le16 *)&data[12]);
ctrl->wCompWindowSize = le16_to_cpup((__le16 *)&data[14]);
ctrl->wDelay = le16_to_cpup((__le16 *)&data[16]);
ctrl->dwMaxVideoFrameSize =
le32_to_cpu(get_unaligned((__le32 *)&data[18]));
ctrl->dwMaxPayloadTransferSize =
le32_to_cpu(get_unaligned((__le32 *)&data[22]));
ctrl->dwMaxVideoFrameSize = get_unaligned_le32(&data[18]);
ctrl->dwMaxPayloadTransferSize = get_unaligned_le32(&data[22]);
if (size == 34) {
ctrl->dwClockFrequency =
le32_to_cpu(get_unaligned((__le32 *)&data[26]));
ctrl->dwClockFrequency = get_unaligned_le32(&data[26]);
ctrl->bmFramingInfo = data[30];
ctrl->bPreferedVersion = data[31];
ctrl->bMinVersion = data[32];
@ -197,14 +194,11 @@ static int uvc_set_video_ctrl(struct uvc_video_device *video,
/* Note: Some of the fields below are not required for IN devices (see
* UVC spec, 4.3.1.1), but we still copy them in case support for OUT
* devices is added in the future. */
put_unaligned(cpu_to_le32(ctrl->dwMaxVideoFrameSize),
(__le32 *)&data[18]);
put_unaligned(cpu_to_le32(ctrl->dwMaxPayloadTransferSize),
(__le32 *)&data[22]);
put_unaligned_le32(ctrl->dwMaxVideoFrameSize, &data[18]);
put_unaligned_le32(ctrl->dwMaxPayloadTransferSize, &data[22]);
if (size == 34) {
put_unaligned(cpu_to_le32(ctrl->dwClockFrequency),
(__le32 *)&data[26]);
put_unaligned_le32(ctrl->dwClockFrequency, &data[26]);
data[30] = ctrl->bmFramingInfo;
data[31] = ctrl->bPreferedVersion;
data[32] = ctrl->bMinVersion;