Patch "ASoC: rsnd: SSI PIO adjust to 24bit mode" has been added to the 4.4-stable tree

[<gregkh@linuxfoundation.org>]

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;a=summary

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