[Adi-linux-docs] page changed: linux-kernel:testing: [Device driver test] multichannel

[vivili <no...@do...>]

New Revision: http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:
testing

Old Revision: http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:
testing&rev=1406015832

Edit Summary: [Device driver test] multichannel



@@ -134,16 +134,39 @@

    - **Audio driver test(adau1761)**

      * Test the audio driver adau1761 on BF609-EZKIT board. Connect Audio
 EI3 Extender Board to P1A port on BF609-EZKIT.

      * On Audio EI3 Extender Board, J4 is Line-in and J2 is headphone.

    - **Audio multi-channel test**

-     * This is a 5.1 multi-channel test and bellow audio cards support it
. 

-     * AD1980 on BF548-EZKITz<code>

+     * AD1980 on BF548-EZKIT supports 6 channels. This card is obsolete n
ow.<code>

  J9: Top - Center / LFE; Down - Front Left / Right

  J10: Rear Left / Right</code>

-     * AD1836<code>

+     * AD1836 supports 6 channels.<code>

  Green: Front Left / Right

  Yellow: Center / LFE

  Black: Rear Left / Right</code>

+     * AD1938 supports 8 channels.

+     * On target board, run speaker-test, there will be noise in each out
put.<code>speaker-test -c 8

+ 

+ speaker-test 1.0.26

+ 

+ Playback device is default

+ Stream parameters are 48000Hz, S16_LE, 8 channels

+ Using 16 octaves of pink noise

+ Rate set to 48000Hz (requested 48000Hz)

+ Buffer size range from 256 to 1024

+ Period size range from 128 to 512

+ Using max buffer size 1024

+ Periods = 4

+ was set period_size = 256

+ was set buffer_size = 1024

+  0 - Front Left

+  4 - Center

+  1 - Front Right

+  7 - Side Right

+  3 - Rear Right

+  2 - Rear Left

+  6 - Side Left

+  5 - LFE

+ </code>

    - **SPORT driver test(AD73311)**

      * To test if the AD73311 daughter card can play sound through sport 
driver.It needs jump on the 1 or 8 pin for bf537 stamp and 1 pin for bf533
 stamp board.

      * The sport driver support is enabled by defalt.

      * The test case description is at:[[linux-kernel:drivers:bfin_sport|
sport driver]].