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 --- sound/soc/amd/ps/ps-sdw-dma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
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; }