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| author | Vijendar Mukunda <Vijendar.Mukunda@amd.com> | 2023-06-26 12:53:53 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-06-26 14:29:00 +0200 |
| commit | 68a653ab864ccf7874fe622f3af20fe7345c39be (patch) | |
| tree | fbe881b3a9b95cdeccfa03042be36230e8419093 /sound/soc/amd/ps/ps-sdw-dma.c | |
| parent | ASoC: amd: ps: add comments for DMA register mapping (diff) | |
| download | linux-68a653ab864ccf7874fe622f3af20fe7345c39be.tar.xz linux-68a653ab864ccf7874fe622f3af20fe7345c39be.zip | |
ASoC: amd: ps: fix byte count return value for invalid SoundWire manager instance
acp_get_byte_count() function should return zero bytes instead of
-EINVAL for invalid SoundWire manager instance.
Fixes: f722917350ee ("ASoC: amd: ps: add SoundWire dma driver dma ops")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230626105356.2580125-5-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd/ps/ps-sdw-dma.c')
| -rw-r--r-- | sound/soc/amd/ps/ps-sdw-dma.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/soc/amd/ps/ps-sdw-dma.c b/sound/soc/amd/ps/ps-sdw-dma.c index 000ab5d96815..324c80fca672 100644 --- a/sound/soc/amd/ps/ps-sdw-dma.c +++ b/sound/soc/amd/ps/ps-sdw-dma.c @@ -318,12 +318,13 @@ static u64 acp63_sdw_get_byte_count(struct acp_sdw_dma_stream *stream, void __io pos_high_reg = sdw1_dma_ring_buf_reg[stream->stream_id].pos_high_reg; break; default: - return -EINVAL; + goto POINTER_RETURN_BYTES; } if (pos_low_reg) { byte_count.bcount.high = readl(acp_base + pos_high_reg); byte_count.bcount.low = readl(acp_base + pos_low_reg); } +POINTER_RETURN_BYTES: return byte_count.bytescount; } |