diff options
| author | Cezary Rojewski <cezary.rojewski@intel.com> | 2023-10-06 12:28:57 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-10-06 14:30:39 +0200 |
| commit | 5eb4ff884f72654cd2622528ecfda0fd35c637c5 (patch) | |
| tree | abc4a8f9f665a42ccb750ab0a7b1c451524ead84 /sound/hda/hdac_stream.c | |
| parent | 956b610c4974c99a55c95542c4fca6025dee579f (diff) | |
ALSA: hda: Add code_loading parameter to stream setup
AudioDSP firmware is the one who kicks SDxFIFOS calculation when a
stream is decoupled mode. During firmware bring up procedure, there is
no firmware running and the code-loading stream is always a decoupled
one. So, there is none to trigger the calculation and we end up with
false-positive timeout (-110) messages.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20231006102857.749143-4-cezary.rojewski@intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/hda/hdac_stream.c')
| -rw-r--r-- | sound/hda/hdac_stream.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index a784fd77cd4b..6ce24e248f8e 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -252,8 +252,9 @@ EXPORT_SYMBOL_GPL(snd_hdac_stream_reset); /** * snd_hdac_stream_setup - set up the SD for streaming * @azx_dev: HD-audio core stream to set up + * @code_loading: Whether the stream is for PCM or code-loading. */ -int snd_hdac_stream_setup(struct hdac_stream *azx_dev) +int snd_hdac_stream_setup(struct hdac_stream *azx_dev, bool code_loading) { struct hdac_bus *bus = azx_dev->bus; struct snd_pcm_runtime *runtime; @@ -302,13 +303,15 @@ int snd_hdac_stream_setup(struct hdac_stream *azx_dev) /* set the interrupt enable bits in the descriptor control register */ snd_hdac_stream_updatel(azx_dev, SD_CTL, 0, SD_INT_MASK); - /* Once SDxFMT is set, the controller programs SDxFIFOS to non-zero value. */ - ret = snd_hdac_stream_readw_poll(azx_dev, SD_FIFOSIZE, reg, reg & AZX_SD_FIFOSIZE_MASK, - 3, 300); - if (ret) - dev_dbg(bus->dev, "polling SD_FIFOSIZE 0x%04x failed: %d\n", - AZX_REG_SD_FIFOSIZE, ret); - azx_dev->fifo_size = snd_hdac_stream_readw(azx_dev, SD_FIFOSIZE); + if (!code_loading) { + /* Once SDxFMT is set, the controller programs SDxFIFOS to non-zero value. */ + ret = snd_hdac_stream_readw_poll(azx_dev, SD_FIFOSIZE, reg, + reg & AZX_SD_FIFOSIZE_MASK, 3, 300); + if (ret) + dev_dbg(bus->dev, "polling SD_FIFOSIZE 0x%04x failed: %d\n", + AZX_REG_SD_FIFOSIZE, ret); + azx_dev->fifo_size = reg; + } /* when LPIB delay correction gives a small negative value, * we ignore it; currently set the threshold statically to @@ -953,7 +956,7 @@ int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, if (err < 0) goto error; - snd_hdac_stream_setup(azx_dev); + snd_hdac_stream_setup(azx_dev, true); snd_hdac_dsp_unlock(azx_dev); return azx_dev->stream_tag; |