On Tue, 06 Jun 2023 15:25:29 +0200, Yanteng Si wrote:
On loongson controller, after calling snd_hdac_stream_updateb() to enable DMA engine, the SDnCTL.STRM will become to zero. We need to access SDnCTL in dword to keep SDnCTL.STRM is not changed.
Signed-off-by: Yanteng Si siyanteng@loongson.cn Signed-off-by: Yingkun Meng mengyingkun@loongson.cn
include/sound/hdaudio.h | 1 + sound/hda/hdac_stream.c | 6 +++++- sound/pci/hda/hda_intel.c | 1 + 3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index a1dcc7f97d08..859becb0eaba 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -348,6 +348,7 @@ struct hdac_bus { bool polling_mode:1; bool no_intr_polling_mode:1; bool needs_damn_long_delay:1;
- bool access_sdnctl_in_dword:1;
It's worth for the comment here, too.
thanks,
Takashi