diff options
author | Takashi Iwai <tiwai@suse.de> | 2013-06-28 07:36:22 -0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2013-06-28 07:36:22 -0400 |
commit | accaf69da1d1e64bd77ac0caad77e4cfc3b654c7 (patch) | |
tree | 0402e4fad9cecd428c8c3c228a08f9e31eb63470 /Documentation | |
parent | 975cc02a904ae385721f1bdb65eb1bcf707dfaf1 (diff) | |
parent | 27516080b21cbcb936440d2a3171867860b9a881 (diff) |
Merge tag 'asoc-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: More updates for v3.11
Some more fixes and enhancements, and also a bunch of refectoring for
AC'97 support which enables more than one AC'97 controller driver to be
built in.
Diffstat (limited to 'Documentation')
5 files changed, 47 insertions, 15 deletions
diff --git a/Documentation/DocBook/media/v4l/dev-codec.xml b/Documentation/DocBook/media/v4l/dev-codec.xml index dca0ecd54dc6..ff44c16fc080 100644 --- a/Documentation/DocBook/media/v4l/dev-codec.xml +++ b/Documentation/DocBook/media/v4l/dev-codec.xml | |||
@@ -1,18 +1,27 @@ | |||
1 | <title>Codec Interface</title> | 1 | <title>Codec Interface</title> |
2 | 2 | ||
3 | <note> | 3 | <para>A V4L2 codec can compress, decompress, transform, or otherwise |
4 | <title>Suspended</title> | 4 | convert video data from one format into another format, in memory. Typically |
5 | such devices are memory-to-memory devices (i.e. devices with the | ||
6 | <constant>V4L2_CAP_VIDEO_M2M</constant> or <constant>V4L2_CAP_VIDEO_M2M_MPLANE</constant> | ||
7 | capability set). | ||
8 | </para> | ||
5 | 9 | ||
6 | <para>This interface has been be suspended from the V4L2 API | 10 | <para>A memory-to-memory video node acts just like a normal video node, but it |
7 | implemented in Linux 2.6 until we have more experience with codec | 11 | supports both output (sending frames from memory to the codec hardware) and |
8 | device interfaces.</para> | 12 | capture (receiving the processed frames from the codec hardware into memory) |
9 | </note> | 13 | stream I/O. An application will have to setup the stream |
14 | I/O for both sides and finally call &VIDIOC-STREAMON; for both capture and output | ||
15 | to start the codec.</para> | ||
10 | 16 | ||
11 | <para>A V4L2 codec can compress, decompress, transform, or otherwise | 17 | <para>Video compression codecs use the MPEG controls to setup their codec parameters |
12 | convert video data from one format into another format, in memory. | 18 | (note that the MPEG controls actually support many more codecs than just MPEG). |
13 | Applications send data to be converted to the driver through a | 19 | See <xref linkend="mpeg-controls"></xref>.</para> |
14 | &func-write; call, and receive the converted data through a | ||
15 | &func-read; call. For efficiency a driver may also support streaming | ||
16 | I/O.</para> | ||
17 | 20 | ||
18 | <para>[to do]</para> | 21 | <para>Memory-to-memory devices can often be used as a shared resource: you can |
22 | open the video node multiple times, each application setting up their own codec properties | ||
23 | that are local to the file handle, and each can use it independently from the others. | ||
24 | The driver will arbitrate access to the codec and reprogram it whenever another file | ||
25 | handler gets access. This is different from the usual video node behavior where the video properties | ||
26 | are global to the device (i.e. changing something through one file handle is visible | ||
27 | through another file handle).</para> | ||
diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml index bfc93cdcf696..bfe823dd0f31 100644 --- a/Documentation/DocBook/media/v4l/v4l2.xml +++ b/Documentation/DocBook/media/v4l/v4l2.xml | |||
@@ -493,7 +493,7 @@ and discussions on the V4L mailing list.</revremark> | |||
493 | </partinfo> | 493 | </partinfo> |
494 | 494 | ||
495 | <title>Video for Linux Two API Specification</title> | 495 | <title>Video for Linux Two API Specification</title> |
496 | <subtitle>Revision 3.9</subtitle> | 496 | <subtitle>Revision 3.10</subtitle> |
497 | 497 | ||
498 | <chapter id="common"> | 498 | <chapter id="common"> |
499 | &sub-common; | 499 | &sub-common; |
diff --git a/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt b/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt index 3f62adfb3e0b..de9f6b78ee51 100644 --- a/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt +++ b/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt | |||
@@ -2,7 +2,7 @@ Exynos4x12/Exynos5 SoC series camera host interface (FIMC-LITE) | |||
2 | 2 | ||
3 | Required properties: | 3 | Required properties: |
4 | 4 | ||
5 | - compatible : should be "samsung,exynos4212-fimc" for Exynos4212 and | 5 | - compatible : should be "samsung,exynos4212-fimc-lite" for Exynos4212 and |
6 | Exynos4412 SoCs; | 6 | Exynos4412 SoCs; |
7 | - reg : physical base address and size of the device memory mapped | 7 | - reg : physical base address and size of the device memory mapped |
8 | registers; | 8 | registers; |
diff --git a/Documentation/devicetree/bindings/sound/adi,adau1701.txt b/Documentation/devicetree/bindings/sound/adi,adau1701.txt index 3afeda77b5b9..547a49b56a62 100644 --- a/Documentation/devicetree/bindings/sound/adi,adau1701.txt +++ b/Documentation/devicetree/bindings/sound/adi,adau1701.txt | |||
@@ -11,6 +11,15 @@ Optional properties: | |||
11 | - reset-gpio: A GPIO spec to define which pin is connected to the | 11 | - reset-gpio: A GPIO spec to define which pin is connected to the |
12 | chip's !RESET pin. If specified, the driver will | 12 | chip's !RESET pin. If specified, the driver will |
13 | assert a hardware reset at probe time. | 13 | assert a hardware reset at probe time. |
14 | - adi,pll-mode-gpios: An array of two GPIO specs to describe the GPIOs | ||
15 | the ADAU's PLL config pins are connected to. | ||
16 | The state of the pins are set according to the | ||
17 | configured clock divider on ASoC side before the | ||
18 | firmware is loaded. | ||
19 | - adi,pin-config: An array of 12 numerical values selecting one of the | ||
20 | pin configurations as described in the datasheet, | ||
21 | table 53. Note that the value of this property has | ||
22 | to be prefixed with '/bits/ 8'. | ||
14 | 23 | ||
15 | Examples: | 24 | Examples: |
16 | 25 | ||
@@ -19,5 +28,8 @@ Examples: | |||
19 | compatible = "adi,adau1701"; | 28 | compatible = "adi,adau1701"; |
20 | reg = <0x34>; | 29 | reg = <0x34>; |
21 | reset-gpio = <&gpio 23 0>; | 30 | reset-gpio = <&gpio 23 0>; |
31 | adi,pll-mode-gpios = <&gpio 24 0 &gpio 25 0>; | ||
32 | adi,pin-config = /bits/ 8 <0x4 0x7 0x5 0x5 0x4 0x4 | ||
33 | 0x4 0x4 0x4 0x4 0x4 0x4>; | ||
22 | }; | 34 | }; |
23 | }; | 35 | }; |
diff --git a/Documentation/devicetree/bindings/sound/ti,tas5086.txt b/Documentation/devicetree/bindings/sound/ti,tas5086.txt index 8ea4f5b4818d..d2866a0d6a26 100644 --- a/Documentation/devicetree/bindings/sound/ti,tas5086.txt +++ b/Documentation/devicetree/bindings/sound/ti,tas5086.txt | |||
@@ -20,6 +20,17 @@ Optional properties: | |||
20 | When not specified, the hardware default of 1300ms | 20 | When not specified, the hardware default of 1300ms |
21 | is retained. | 21 | is retained. |
22 | 22 | ||
23 | - ti,mid-z-channel-X: Boolean properties, X being a number from 1 to 6. | ||
24 | If given, channel X will start with the Mid-Z start | ||
25 | sequence, otherwise the default Low-Z scheme is used. | ||
26 | |||
27 | The correct configuration depends on how the power | ||
28 | stages connected to the PWM output pins work. Not all | ||
29 | power stages are compatible to Mid-Z - please refer | ||
30 | to the datasheets for more details. | ||
31 | |||
32 | Most systems should not set any of these properties. | ||
33 | |||
23 | Examples: | 34 | Examples: |
24 | 35 | ||
25 | i2c_bus { | 36 | i2c_bus { |