[3.11.y.z extended stable] Patch "ASoC: wm_adsp: Interpret ADSP memory region lengths as 32 bit words" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    ASoC: wm_adsp: Interpret ADSP memory region lengths as 32 bit words

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 85d46e3fcb709a31f8d9f2a3717300a39e8db475 Mon Sep 17 00:00:00 2001
From: Nariman Poushin <nariman at opensource.wolfsonmicro.com>
Date: Mon, 4 Nov 2013 12:03:44 +0000
Subject: ASoC: wm_adsp: Interpret ADSP memory region lengths as 32 bit words

commit c01422a4a184a183b03fb3046af88d61828f6d56 upstream.

Pad the ADSP word (3 bytes) to 4 bytes in the kernel and calculate
lengths based on padded ADSP words instead of treating them as bytes

Signed-off-by: Nariman Poushin <nariman at opensource.wolfsonmicro.com>
Signed-off-by: Dimitris Papastamos <dp at opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie at linaro.org>
[ luis: backported to 3.11: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 sound/soc/codecs/wm_adsp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 05252ac..d1c59b6 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1091,6 +1091,7 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp, struct snd_soc_codec *codec)
 			if (i + 1 < algs) {
 				region->len = be32_to_cpu(adsp1_alg[i + 1].dm);
 				region->len -= be32_to_cpu(adsp1_alg[i].dm);
+				region->len *= 4;
 				wm_adsp_create_control(codec, region);
 			} else {
 				adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
@@ -1108,6 +1109,7 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp, struct snd_soc_codec *codec)
 			if (i + 1 < algs) {
 				region->len = be32_to_cpu(adsp1_alg[i + 1].zm);
 				region->len -= be32_to_cpu(adsp1_alg[i].zm);
+				region->len *= 4;
 				wm_adsp_create_control(codec, region);
 			} else {
 				adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
@@ -1137,6 +1139,7 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp, struct snd_soc_codec *codec)
 			if (i + 1 < algs) {
 				region->len = be32_to_cpu(adsp2_alg[i + 1].xm);
 				region->len -= be32_to_cpu(adsp2_alg[i].xm);
+				region->len *= 4;
 				wm_adsp_create_control(codec, region);
 			} else {
 				adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
@@ -1154,6 +1157,7 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp, struct snd_soc_codec *codec)
 			if (i + 1 < algs) {
 				region->len = be32_to_cpu(adsp2_alg[i + 1].ym);
 				region->len -= be32_to_cpu(adsp2_alg[i].ym);
+				region->len *= 4;
 				wm_adsp_create_control(codec, region);
 			} else {
 				adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
@@ -1171,6 +1175,7 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp, struct snd_soc_codec *codec)
 			if (i + 1 < algs) {
 				region->len = be32_to_cpu(adsp2_alg[i + 1].zm);
 				region->len -= be32_to_cpu(adsp2_alg[i].zm);
+				region->len *= 4;
 				wm_adsp_create_control(codec, region);
 			} else {
 				adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
--
1.8.3.2