The algorithm region information in the firmware doesn't contain a length field, explicitly pass this to the create_control function rather than bundling into wm_adsp_alg_region.
Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- sound/soc/codecs/wm_adsp.c | 55 ++++++++++++++++++++++--------------------- sound/soc/codecs/wm_adsp.h | 1 - 2 files changed, 28 insertions(+), 28 deletions(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 4201e1f..3f6b49d 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -780,7 +780,8 @@ static void wm_adsp_ctl_work(struct work_struct *work) }
static int wm_adsp_create_control(struct wm_adsp *dsp, - const struct wm_adsp_alg_region *alg_region) + const struct wm_adsp_alg_region *alg_region, + unsigned int len) { struct wm_coeff_ctl *ctl; struct wmfw_ctl_work *ctl_work; @@ -842,7 +843,12 @@ static int wm_adsp_create_control(struct wm_adsp *dsp, ctl->ops.xput = wm_coeff_put; ctl->dsp = dsp;
- ctl->len = alg_region->len; + if (len > 512) { + adsp_warn(dsp, "Truncating control %s from %d\n", + ctl->name, len); + len = 512; + } + ctl->len = len; ctl->cache = kzalloc(ctl->len, GFP_KERNEL); if (!ctl->cache) { ret = -ENOMEM; @@ -991,13 +997,12 @@ static int wm_adsp1_setup_algs(struct wm_adsp *dsp) alg_region->type = WMFW_ADSP1_DM; alg_region->alg = be32_to_cpu(adsp1_alg[i].alg.id); alg_region->base = be32_to_cpu(adsp1_alg[i].dm); - alg_region->len = 0; list_add_tail(&alg_region->list, &dsp->alg_regions); if (i + 1 < n_algs) { - alg_region->len = be32_to_cpu(adsp1_alg[i + 1].dm); - alg_region->len -= be32_to_cpu(adsp1_alg[i].dm); - alg_region->len *= 4; - wm_adsp_create_control(dsp, alg_region); + len = be32_to_cpu(adsp1_alg[i + 1].dm); + len -= be32_to_cpu(adsp1_alg[i].dm); + len *= 4; + wm_adsp_create_control(dsp, alg_region, len); } else { adsp_warn(dsp, "Missing length info for region DM with ID %x\n", be32_to_cpu(adsp1_alg[i].alg.id)); @@ -1011,13 +1016,12 @@ static int wm_adsp1_setup_algs(struct wm_adsp *dsp) alg_region->type = WMFW_ADSP1_ZM; alg_region->alg = be32_to_cpu(adsp1_alg[i].alg.id); alg_region->base = be32_to_cpu(adsp1_alg[i].zm); - alg_region->len = 0; list_add_tail(&alg_region->list, &dsp->alg_regions); if (i + 1 < n_algs) { - alg_region->len = be32_to_cpu(adsp1_alg[i + 1].zm); - alg_region->len -= be32_to_cpu(adsp1_alg[i].zm); - alg_region->len *= 4; - wm_adsp_create_control(dsp, alg_region); + len = be32_to_cpu(adsp1_alg[i + 1].zm); + len -= be32_to_cpu(adsp1_alg[i].zm); + len *= 4; + wm_adsp_create_control(dsp, alg_region, len); } else { adsp_warn(dsp, "Missing length info for region ZM with ID %x\n", be32_to_cpu(adsp1_alg[i].alg.id)); @@ -1110,13 +1114,12 @@ static int wm_adsp2_setup_algs(struct wm_adsp *dsp) alg_region->type = WMFW_ADSP2_XM; alg_region->alg = be32_to_cpu(adsp2_alg[i].alg.id); alg_region->base = be32_to_cpu(adsp2_alg[i].xm); - alg_region->len = 0; list_add_tail(&alg_region->list, &dsp->alg_regions); if (i + 1 < n_algs) { - alg_region->len = be32_to_cpu(adsp2_alg[i + 1].xm); - alg_region->len -= be32_to_cpu(adsp2_alg[i].xm); - alg_region->len *= 4; - wm_adsp_create_control(dsp, alg_region); + len = be32_to_cpu(adsp2_alg[i + 1].xm); + len -= be32_to_cpu(adsp2_alg[i].xm); + len *= 4; + wm_adsp_create_control(dsp, alg_region, len); } else { adsp_warn(dsp, "Missing length info for region XM with ID %x\n", be32_to_cpu(adsp2_alg[i].alg.id)); @@ -1130,13 +1133,12 @@ static int wm_adsp2_setup_algs(struct wm_adsp *dsp) alg_region->type = WMFW_ADSP2_YM; alg_region->alg = be32_to_cpu(adsp2_alg[i].alg.id); alg_region->base = be32_to_cpu(adsp2_alg[i].ym); - alg_region->len = 0; list_add_tail(&alg_region->list, &dsp->alg_regions); if (i + 1 < n_algs) { - alg_region->len = be32_to_cpu(adsp2_alg[i + 1].ym); - alg_region->len -= be32_to_cpu(adsp2_alg[i].ym); - alg_region->len *= 4; - wm_adsp_create_control(dsp, alg_region); + len = be32_to_cpu(adsp2_alg[i + 1].ym); + len -= be32_to_cpu(adsp2_alg[i].ym); + len *= 4; + wm_adsp_create_control(dsp, alg_region, len); } else { adsp_warn(dsp, "Missing length info for region YM with ID %x\n", be32_to_cpu(adsp2_alg[i].alg.id)); @@ -1150,13 +1152,12 @@ static int wm_adsp2_setup_algs(struct wm_adsp *dsp) alg_region->type = WMFW_ADSP2_ZM; alg_region->alg = be32_to_cpu(adsp2_alg[i].alg.id); alg_region->base = be32_to_cpu(adsp2_alg[i].zm); - alg_region->len = 0; list_add_tail(&alg_region->list, &dsp->alg_regions); if (i + 1 < n_algs) { - alg_region->len = be32_to_cpu(adsp2_alg[i + 1].zm); - alg_region->len -= be32_to_cpu(adsp2_alg[i].zm); - alg_region->len *= 4; - wm_adsp_create_control(dsp, alg_region); + len = be32_to_cpu(adsp2_alg[i + 1].zm); + len -= be32_to_cpu(adsp2_alg[i].zm); + len *= 4; + wm_adsp_create_control(dsp, alg_region, len); } else { adsp_warn(dsp, "Missing length info for region ZM with ID %x\n", be32_to_cpu(adsp2_alg[i].alg.id)); diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h index fc75a24..0ad14e0 100644 --- a/sound/soc/codecs/wm_adsp.h +++ b/sound/soc/codecs/wm_adsp.h @@ -30,7 +30,6 @@ struct wm_adsp_alg_region { unsigned int alg; int type; unsigned int base; - size_t len; };
struct wm_adsp {