This is a note to let you know that I've just added the patch titled
ASoC: rsnd: SSI PIO adjust to 24bit mode
to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: asoc-rsnd-ssi-pio-adjust-to-24bit-mode.patch and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Tue Apr 10 10:31:53 CEST 2018
From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com Date: Wed, 24 May 2017 01:17:10 +0000 Subject: ASoC: rsnd: SSI PIO adjust to 24bit mode
From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
[ 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 --- sound/soc/sh/rcar/ssi.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
--- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -453,6 +453,13 @@ static void __rsnd_ssi_interrupt(struct 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 * 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)); }
Patches currently in stable-queue which might be from kuninori.morimoto.gx@renesas.com are
queue-4.4/asoc-rsnd-ssi-pio-adjust-to-24bit-mode.patch