From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
commit 90431eb49bff ("ASoC: rsnd: don't use PDTA bit for 24bit on SSI") fixups 24bit mode data alignment, but PIO was not cared. This patch fixes PIO mode 24bit data alignment
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com ---
Mark, this is for mark/fix/rcar branch, not mark/topic/rcar
sound/soc/sh/rcar/ssi.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 57daac0..0822ae0b 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -567,6 +567,13 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod, struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); u32 *buf = (u32 *)(runtime->dma_area + rsnd_dai_pointer_offset(io, 0)); + int shift = 0; + + switch (runtime->sample_bits) { + case 32: + shift = 8; + break; + }
/* * 8/16/32 data can be assesse to TDR/RDR register @@ -574,9 +581,9 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod, * see rsnd_ssi_init() */ if (rsnd_io_is_play(io)) - rsnd_mod_write(mod, SSITDR, *buf); + rsnd_mod_write(mod, SSITDR, (*buf) << shift); else - *buf = rsnd_mod_read(mod, SSIRDR); + *buf = (rsnd_mod_read(mod, SSIRDR) >> shift);
elapsed = rsnd_dai_pointer_update(io, sizeof(*buf)); }