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authorLaurent Pinchart <laurent.pinchart@skynet.be>2008-11-11 14:04:30 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-29 17:53:36 -0200
commit4d3939f6eecb1c3330a34e0bc95a6b8529207b88 (patch)
tree1c2ee323e366bbb4dcea1ee3db8f20e7257ded69
parent23159a0bfcfb329cf68c7a7259e688494273bb7f (diff)
V4L/DVB (9659): uvcvideo: Use {get|set}_unaligned_le32 macros
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>
-rw-r--r--drivers/media/video/uvc/uvc_video.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 4af94707ef6..e07bee98a00 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -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;