diff options
| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2025-10-14 11:14:48 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2025-12-08 12:37:26 +0530 |
| commit | 167efc6dfd621494c6a7e47115dc829dcc0e502c (patch) | |
| tree | 50fccbc9c416b5e04c138860424cdf9162694cf8 /include | |
| parent | 57b3a7b27e0b72df4ccee89719de12719aa9d547 (diff) | |
ASoC: SOF: Intel: export hda_sdw_bpt_get_buf_size_aligment
The dma buffer need to be a multiple of data block size and
the fifo size. Export a function to return the LCM of data
block size and the fifo size.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20251014031450.3781789-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/hda-sdw-bpt.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/sound/hda-sdw-bpt.h b/include/sound/hda-sdw-bpt.h index f649549b75d5..9b654c31829a 100644 --- a/include/sound/hda-sdw-bpt.h +++ b/include/sound/hda-sdw-bpt.h @@ -30,6 +30,8 @@ int hda_sdw_bpt_wait(struct device *dev, struct hdac_ext_stream *bpt_tx_stream, int hda_sdw_bpt_close(struct device *dev, struct hdac_ext_stream *bpt_tx_stream, struct snd_dma_buffer *dmab_tx_bdl, struct hdac_ext_stream *bpt_rx_stream, struct snd_dma_buffer *dmab_rx_bdl); + +unsigned int hda_sdw_bpt_get_buf_size_alignment(unsigned int dma_bandwidth); #else static inline int hda_sdw_bpt_open(struct device *dev, int link_id, struct hdac_ext_stream **bpt_tx_stream, @@ -64,6 +66,11 @@ static inline int hda_sdw_bpt_close(struct device *dev, struct hdac_ext_stream * WARN_ONCE(1, "SoundWire BPT is disabled"); return -EOPNOTSUPP; } + +static inline unsigned int hda_sdw_bpt_get_buf_size_alignment(unsigned int dma_bandwidth) +{ + return 0; +} #endif #endif /* __HDA_SDW_BPT_H */ |