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Diffstat (limited to 'Documentation/feature-removal-schedule.txt')
-rw-r--r-- | Documentation/feature-removal-schedule.txt | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 6c2f55e05f13..d66ed2bdf8f1 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt | |||
@@ -98,35 +98,33 @@ Who: Pavel Machek <pavel@ucw.cz> | |||
98 | --------------------------- | 98 | --------------------------- |
99 | 99 | ||
100 | What: Video4Linux API 1 ioctls and from Video devices. | 100 | What: Video4Linux API 1 ioctls and from Video devices. |
101 | When: kernel 2.6.38 | 101 | When: kernel 2.6.39 |
102 | Files: include/linux/videodev.h | 102 | Files: include/linux/videodev.h |
103 | Check: include/linux/videodev.h | 103 | Check: include/linux/videodev.h |
104 | Why: V4L1 AP1 was replaced by V4L2 API during migration from 2.4 to 2.6 | 104 | Why: V4L1 AP1 was replaced by V4L2 API during migration from 2.4 to 2.6 |
105 | series. The old API have lots of drawbacks and don't provide enough | 105 | series. The old API have lots of drawbacks and don't provide enough |
106 | means to work with all video and audio standards. The newer API is | 106 | means to work with all video and audio standards. The newer API is |
107 | already available on the main drivers and should be used instead. | 107 | already available on the main drivers and should be used instead. |
108 | Newer drivers should use v4l_compat_translate_ioctl function to handle | 108 | |
109 | old calls, replacing to newer ones. | 109 | The userspace libv4l1 library can convert V4L1 calls to V4L2. This |
110 | Decoder iocts are using internally to allow video drivers to | 110 | replaces the kernel V4L1 compatibility module which was removed in |
111 | communicate with video decoders. This should also be improved to allow | 111 | 2.6.38. The last V4L1 drivers will either be converted to V4L2 or |
112 | V4L2 calls being translated into compatible internal ioctls. | 112 | removed for 2.6.39 at which point the V4L1 API will cease to exist. |
113 | Compatibility ioctls will be provided, for a while, via | ||
114 | v4l1-compat module. | ||
115 | Who: Mauro Carvalho Chehab <mchehab@infradead.org> | 113 | Who: Mauro Carvalho Chehab <mchehab@infradead.org> |
116 | 114 | ||
117 | --------------------------- | 115 | --------------------------- |
118 | 116 | ||
119 | What: Video4Linux obsolete drivers using V4L1 API | 117 | What: Video4Linux obsolete drivers using V4L1 API |
120 | When: kernel 2.6.38 | 118 | When: kernel 2.6.39 |
121 | Files: drivers/staging/cpia/* drivers/staging/stradis/* | 119 | Files: drivers/staging/se401/* drivers/staging/usbvideo/* |
122 | Check: drivers/staging/cpia/cpia.c drivers/staging/stradis/stradis.c | 120 | Check: drivers/staging/se401/se401.c drivers/staging/usbvideo/usbvideo.c |
123 | Why: There are some drivers still using V4L1 API, despite all efforts we've done | 121 | Why: There are some drivers still using V4L1 API, despite all efforts we've done |
124 | to migrate. Those drivers are for obsolete hardware that the old maintainer | 122 | to migrate. Those drivers are for obsolete hardware that the old maintainer |
125 | didn't care (or not have the hardware anymore), and that no other developer | 123 | didn't care (or not have the hardware anymore), and that no other developer |
126 | could find any hardware to buy. They probably have no practical usage today, | 124 | could find any hardware to buy. They probably have no practical usage today, |
127 | and people with such old hardware could probably keep using an older version | 125 | and people with such old hardware could probably keep using an older version |
128 | of the kernel. Those drivers will be moved to staging on 2.6.37 and, if nobody | 126 | of the kernel. Those drivers will be moved to staging on 2.6.38 and, if nobody |
129 | care enough to port and test them with V4L2 API, they'll be removed on 2.6.38. | 127 | cares enough to port and test them with V4L2 API, they'll be removed on 2.6.39. |
130 | Who: Mauro Carvalho Chehab <mchehab@infradead.org> | 128 | Who: Mauro Carvalho Chehab <mchehab@infradead.org> |
131 | 129 | ||
132 | --------------------------- | 130 | --------------------------- |