SoC: rsnd: add interrupt support for SSI BUSIF buffer

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SSI BUSIF buffer is possible to overflow or underflow, especially in a
hypervisor environment. If there is no interrupt support, it will eventually
lead to errors in pcm data.
This patch adds overflow and underflow interrupt support for SSI BUSIF buffer.

Reported-by: Chen Li <licheng0822@thundersoft.com>
Signed-off-by: Yongbo Zhang <giraffesnn123@gmail.com>
Tested-by: Chen Li <licheng0822@thundersoft.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20200512093003.28332-1-giraffesnn123@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Yongbo Zhang 2020-05-12 17:30:03 +08:00 • committed by Mark Brown

parent 7d8785bc7a

commit 66c705d07d

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8

sound/soc/sh/rcar/gen.c

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9

sound/soc/sh/rcar/rsnd.h

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145

sound/soc/sh/rcar/ssi.c

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