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ASoC: wm_adsp: Sanitize parameter passing 

No need to hold on to the `codec' pointer.  We can use the `dsp'
pointer and grab all the information we need from there.  This
makes the parameters for the functions a bit more sane and idiomatic.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Dimitris Papastamos 2013-08-01 11:11:28 +01:00 коммит произвёл Mark Brown
Родитель 81ad93ecfd
Коммит 92bb4c3270
2 изменённых файлов: 17 добавлений и 15 удалений
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31
sound/soc/codecs/wm_adsp.c
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@ -227,7 +227,6 @@ struct wm_coeff_ctl_ops {
struct wm_coeff_ctl {
const char *name;
struct snd_soc_card *card;
struct wm_adsp_alg_region region;
struct wm_coeff_ctl_ops ops;
struct wm_adsp *adsp;
@ -484,7 +483,7 @@ static int wmfw_add_ctl(struct wm_adsp *adsp, struct wm_coeff_ctl *ctl)
struct snd_kcontrol_new *kcontrol;
int ret;
if (!ctl || !ctl->name || !ctl->card)
if (!ctl || !ctl->name)
return -EINVAL;
kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
@ -498,14 +497,14 @@ static int wmfw_add_ctl(struct wm_adsp *adsp, struct wm_coeff_ctl *ctl)
kcontrol->put = wm_coeff_put;
kcontrol->private_value = (unsigned long)ctl;
ret = snd_soc_add_card_controls(ctl->card,
ret = snd_soc_add_card_controls(adsp->card,
kcontrol, 1);
if (ret < 0)
goto err_kcontrol;
kfree(kcontrol);
ctl->kcontrol = snd_soc_card_get_kcontrol(ctl->card,
ctl->kcontrol = snd_soc_card_get_kcontrol(adsp->card,
ctl->name);
list_add(&ctl->list, &adsp->ctl_list);
@ -777,11 +776,10 @@ static void wm_adsp_ctl_work(struct work_struct *work)
kfree(ctl_work);
}
static int wm_adsp_create_control(struct snd_soc_codec *codec,
static int wm_adsp_create_control(struct wm_adsp *dsp,
const struct wm_adsp_alg_region *region)
{
struct wm_adsp *dsp = snd_soc_codec_get_drvdata(codec);
struct wm_coeff_ctl *ctl;
struct wmfw_ctl_work *ctl_work;
char *name;
@ -840,7 +838,6 @@ static int wm_adsp_create_control(struct snd_soc_codec *codec,
ctl->set = 0;
ctl->ops.xget = wm_coeff_get;
ctl->ops.xput = wm_coeff_put;
ctl->card = codec->card;
ctl->adsp = dsp;
ctl->len = region->len;
@ -877,7 +874,7 @@ err_name:
return ret;
}
static int wm_adsp_setup_algs(struct wm_adsp *dsp, struct snd_soc_codec *codec)
static int wm_adsp_setup_algs(struct wm_adsp *dsp)
{
struct regmap *regmap = dsp->regmap;
struct wmfw_adsp1_id_hdr adsp1_id;
@ -1065,7 +1062,7 @@ 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);
wm_adsp_create_control(codec, region);
wm_adsp_create_control(dsp, region);
} else {
adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
be32_to_cpu(adsp1_alg[i].alg.id));
@ -1082,7 +1079,7 @@ 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);
wm_adsp_create_control(codec, region);
wm_adsp_create_control(dsp, region);
} else {
adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
be32_to_cpu(adsp1_alg[i].alg.id));
@ -1111,7 +1108,7 @@ 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);
wm_adsp_create_control(codec, region);
wm_adsp_create_control(dsp, region);
} else {
adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
be32_to_cpu(adsp2_alg[i].alg.id));
@ -1128,7 +1125,7 @@ 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);
wm_adsp_create_control(codec, region);
wm_adsp_create_control(dsp, region);
} else {
adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
be32_to_cpu(adsp2_alg[i].alg.id));
@ -1145,7 +1142,7 @@ 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);
wm_adsp_create_control(codec, region);
wm_adsp_create_control(dsp, region);
} else {
adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
be32_to_cpu(adsp2_alg[i].alg.id));
@ -1365,6 +1362,8 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
int ret;
int val;
dsp->card = codec->card;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
@ -1399,7 +1398,7 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
if (ret != 0)
goto err;
ret = wm_adsp_setup_algs(dsp, codec);
ret = wm_adsp_setup_algs(dsp);
if (ret != 0)
goto err;
@ -1492,6 +1491,8 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
unsigned int val;
int ret;
dsp->card = codec->card;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
/*
@ -1554,7 +1555,7 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
if (ret != 0)
goto err;
ret = wm_adsp_setup_algs(dsp, codec);
ret = wm_adsp_setup_algs(dsp);
if (ret != 0)
goto err;

1
sound/soc/codecs/wm_adsp.h
Просмотреть файл

@ -39,6 +39,7 @@ struct wm_adsp {
int type;
struct device *dev;
struct regmap *regmap;
struct snd_soc_card *card;
int base;
int sysclk_reg;