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authorMarcel Hasler <mahasler@gmail.com>2016-12-15 20:14:03 -0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-02-03 11:29:24 -0200
commit9a4825edbcd6f7d7da88696412c6b0436ed7cc0b (patch)
treefc6f23802f770b5bc19298936dcadece9b0a7639 /tools/perf/scripts/python
parent1dc7df4d3d787639c9eeb8fc3841dd8d003de82a (diff)
[media] stk1160: Wait for completion of transfers to and from AC97 codec
The STK1160 needs some time to transfer data to and from the AC97 codec. The transfer completion is indicated by command read/write bits in the chip's audio control register. The driver should poll these bits and wait until they have been cleared by hardware before trying to retrieve the results of a read operation or setting a new write command. [mchehab@s-opensource.com: make checkpatch happier] Signed-off-by: Marcel Hasler <mahasler@gmail.com> Acked-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'tools/perf/scripts/python')
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