diff options
| author | Cezary Rojewski <cezary.rojewski@intel.com> | 2022-12-02 16:28:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-12-05 14:05:19 +0000 |
| commit | f6b1254664a0a15c8bbe0a17b2c86840aa38d3d7 (patch) | |
| tree | ff972417ff695d3dfbe3b6b6c4d3ad68e35f71ab /sound/hda | |
| parent | 97d73d978271ade27fc751ad606f23c1c4c43678 (diff) | |
ALSA: hda: Prepare for compress stream support
Before introducing compress specific changes, adjust BDL and parameters
setup functions so these are not tightly coupled with PCM streams.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20221202152841.672536-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/hdac_stream.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index 3b250ee7f6a7..8a12c6347914 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -487,11 +487,15 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev) { struct hdac_bus *bus = azx_dev->bus; struct snd_pcm_substream *substream = azx_dev->substream; - struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_pcm_runtime *runtime; + struct snd_dma_buffer *dmab; __le32 *bdl; int i, ofs, periods, period_bytes; int pos_adj, pos_align; + runtime = substream->runtime; + dmab = snd_pcm_get_dma_buf(substream); + /* reset BDL address */ snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0); snd_hdac_stream_writel(azx_dev, SD_BDLPU, 0); @@ -505,7 +509,7 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev) azx_dev->frags = 0; pos_adj = bus->bdl_pos_adj; - if (!azx_dev->no_period_wakeup && pos_adj > 0) { + if (runtime && !azx_dev->no_period_wakeup && pos_adj > 0) { pos_align = pos_adj; pos_adj = DIV_ROUND_UP(pos_adj * runtime->rate, 48000); if (!pos_adj) @@ -518,8 +522,7 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev) pos_adj); pos_adj = 0; } else { - ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream), - azx_dev, + ofs = setup_bdle(bus, dmab, azx_dev, &bdl, ofs, pos_adj, true); if (ofs < 0) goto error; @@ -529,13 +532,11 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev) for (i = 0; i < periods; i++) { if (i == periods - 1 && pos_adj) - ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream), - azx_dev, &bdl, ofs, - period_bytes - pos_adj, 0); + ofs = setup_bdle(bus, dmab, azx_dev, + &bdl, ofs, period_bytes - pos_adj, 0); else - ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream), - azx_dev, &bdl, ofs, - period_bytes, + ofs = setup_bdle(bus, dmab, azx_dev, + &bdl, ofs, period_bytes, !azx_dev->no_period_wakeup); if (ofs < 0) goto error; @@ -560,26 +561,25 @@ EXPORT_SYMBOL_GPL(snd_hdac_stream_setup_periods); int snd_hdac_stream_set_params(struct hdac_stream *azx_dev, unsigned int format_val) { - - unsigned int bufsize, period_bytes; struct snd_pcm_substream *substream = azx_dev->substream; - struct snd_pcm_runtime *runtime; + unsigned int bufsize, period_bytes; + unsigned int no_period_wakeup; int err; if (!substream) return -EINVAL; - runtime = substream->runtime; bufsize = snd_pcm_lib_buffer_bytes(substream); period_bytes = snd_pcm_lib_period_bytes(substream); + no_period_wakeup = substream->runtime->no_period_wakeup; if (bufsize != azx_dev->bufsize || period_bytes != azx_dev->period_bytes || format_val != azx_dev->format_val || - runtime->no_period_wakeup != azx_dev->no_period_wakeup) { + no_period_wakeup != azx_dev->no_period_wakeup) { azx_dev->bufsize = bufsize; azx_dev->period_bytes = period_bytes; azx_dev->format_val = format_val; - azx_dev->no_period_wakeup = runtime->no_period_wakeup; + azx_dev->no_period_wakeup = no_period_wakeup; err = snd_hdac_stream_setup_periods(azx_dev); if (err < 0) return err; |