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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2017-05-24 01:17:10 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-13 19:50:11 +0200
commite019b423a63defc0c86582683c1e56904c5d4c63 (patch)
treefe6b1231f3012f30bdce38952802cf8b86231800 /sound
parent9f3e50a54b188798cf07916ea5eb28c98a89f8c7 (diff)
ASoC: rsnd: SSI PIO adjust to 24bit mode
[ Upstream commit 7819a942de7b993771bd9377babc80485fe7606b ] 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> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/sh/rcar/ssi.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index a001331a53c1..df79d7c846ea 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -453,6 +453,13 @@ 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
@@ -460,9 +467,9 @@ 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));
}