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| author | Yanteng Si <siyanteng@loongson.cn> | 2023-06-07 11:21:50 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-06-07 12:37:25 +0200 |
| commit | cbc3e98acf802c8939e14103a059db60499d69eb (patch) | |
| tree | 9bcd8532c0a0c66e964f664b3635e75e2de30a97 /sound/hda | |
| parent | ALSA: hda: Add Loongson LS7A HD-Audio support (diff) | |
| download | linux-cbc3e98acf802c8939e14103a059db60499d69eb.tar.xz linux-cbc3e98acf802c8939e14103a059db60499d69eb.zip | |
ALSA: hda: Using polling mode for loongson controller by default
On loongson controller, RIRBSTS.RINTFL cannot be cleared,
azx_interrupt() is called all the time. We disable RIRB
interrupt, and use polling mode by default.
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/d309a75424d438b958d90d797b4f1ba45468e090.1686128807.git.siyanteng@loongson.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/hdac_controller.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c index 3c7af6558249..7f3a000fab0c 100644 --- a/sound/hda/hdac_controller.c +++ b/sound/hda/hdac_controller.c @@ -79,7 +79,10 @@ void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus) /* set N=1, get RIRB response interrupt for new entry */ snd_hdac_chip_writew(bus, RINTCNT, 1); /* enable rirb dma and response irq */ - snd_hdac_chip_writeb(bus, RIRBCTL, AZX_RBCTL_DMA_EN | AZX_RBCTL_IRQ_EN); + if (bus->not_use_interrupts) + snd_hdac_chip_writeb(bus, RIRBCTL, AZX_RBCTL_DMA_EN); + else + snd_hdac_chip_writeb(bus, RIRBCTL, AZX_RBCTL_DMA_EN | AZX_RBCTL_IRQ_EN); /* Accept unsolicited responses */ snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, AZX_GCTL_UNSOL); spin_unlock_irq(&bus->reg_lock); |