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| author | Yanteng Si <siyanteng@loongson.cn> | 2023-06-07 17:21:51 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-06-07 12:41:21 +0200 |
| commit | 942ccdd834f43b498abc3f022b73fb831d78f5f7 (patch) | |
| tree | 49f5f1b4771e2bfa117c10f43e3b8bf712086432 /include/sound/hdaudio.h | |
| parent | cbc3e98acf802c8939e14103a059db60499d69eb (diff) | |
| download | linux-stable-942ccdd834f43b498abc3f022b73fb831d78f5f7.tar.gz linux-stable-942ccdd834f43b498abc3f022b73fb831d78f5f7.tar.bz2 linux-stable-942ccdd834f43b498abc3f022b73fb831d78f5f7.zip | |
ALSA: hda: Workaround for SDnCTL register on loongson
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>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/27aeddf5ebbe7c69631cec0e489c1b264be94990.1686128807.git.siyanteng@loongson.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/hdaudio.h')
| -rw-r--r-- | include/sound/hdaudio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index a0bb40a4b721..2ffdf58bd6d4 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -348,6 +348,7 @@ struct hdac_bus { bool polling_mode:1; bool needs_damn_long_delay:1; bool not_use_interrupts:1; /* prohibiting the RIRB IRQ */ + bool access_sdnctl_in_dword:1; /* accessing the sdnctl register by dword */ int poll_count; |