From 4fefd69853a4e83040ddaa98d3b6e5e12cc4f97a Mon Sep 17 00:00:00 2001 From: Dimitris Papastamos Date: Mon, 29 Jul 2013 13:51:58 +0100 Subject: ASoC: core: Add snd_soc_card_get_kcontrol() This is useful for drivers who want to grab a pointer to snd_kcontrol outside of the kcontrol callbacks. Signed-off-by: Dimitris Papastamos Signed-off-by: Mark Brown --- sound/soc/soc-core.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'sound') diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 0ec070cf7231..cef714effc1e 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2299,6 +2299,22 @@ static int snd_soc_add_controls(struct snd_card *card, struct device *dev, return 0; } +struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, + const char *name) +{ + struct snd_card *card = soc_card->snd_card; + struct snd_kcontrol *kctl; + + if (unlikely(!name)) + return NULL; + + list_for_each_entry(kctl, &card->controls, list) + if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) + return kctl; + return NULL; +} +EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); + /** * snd_soc_add_codec_controls - add an array of controls to a codec. * Convenience function to add a list of controls. Many codecs were -- cgit v1.2.3 From 81ad93ecfda64cb37129d29adb384affd0d0fa5b Mon Sep 17 00:00:00 2001 From: Dimitris Papastamos Date: Mon, 29 Jul 2013 13:51:59 +0100 Subject: ASoC: wm_adsp: Simplify kcontrol handling Get rid off the wm_coeff struct and the wm_coeff_add_kcontrol() function. We are now using the snd_soc_card_kcontrol() function to get the kcontrol pointers. No need to call into ALSA code to register the kcontrols. Signed-off-by: Dimitris Papastamos Signed-off-by: Mark Brown --- sound/soc/codecs/wm_adsp.c | 103 ++++++++++++++------------------------------- sound/soc/codecs/wm_adsp.h | 2 +- 2 files changed, 32 insertions(+), 73 deletions(-) (limited to 'sound') diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 05252ac936a3..3168224bc104 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -225,15 +225,9 @@ struct wm_coeff_ctl_ops { struct snd_ctl_elem_info *uinfo); }; -struct wm_coeff { - struct device *dev; - struct list_head ctl_list; - struct regmap *regmap; -}; - struct wm_coeff_ctl { const char *name; - struct snd_card *card; + struct snd_soc_card *card; struct wm_adsp_alg_region region; struct wm_coeff_ctl_ops ops; struct wm_adsp *adsp; @@ -378,7 +372,6 @@ static int wm_coeff_info(struct snd_kcontrol *kcontrol, static int wm_coeff_write_control(struct snd_kcontrol *kcontrol, const void *buf, size_t len) { - struct wm_coeff *wm_coeff= snd_kcontrol_chip(kcontrol); struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value; struct wm_adsp_alg_region *region = &ctl->region; const struct wm_adsp_region *mem; @@ -401,7 +394,7 @@ static int wm_coeff_write_control(struct snd_kcontrol *kcontrol, if (!scratch) return -ENOMEM; - ret = regmap_raw_write(wm_coeff->regmap, reg, scratch, + ret = regmap_raw_write(adsp->regmap, reg, scratch, ctl->len); if (ret) { adsp_err(adsp, "Failed to write %zu bytes to %x\n", @@ -434,7 +427,6 @@ static int wm_coeff_put(struct snd_kcontrol *kcontrol, static int wm_coeff_read_control(struct snd_kcontrol *kcontrol, void *buf, size_t len) { - struct wm_coeff *wm_coeff= snd_kcontrol_chip(kcontrol); struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value; struct wm_adsp_alg_region *region = &ctl->region; const struct wm_adsp_region *mem; @@ -457,7 +449,7 @@ static int wm_coeff_read_control(struct snd_kcontrol *kcontrol, if (!scratch) return -ENOMEM; - ret = regmap_raw_read(wm_coeff->regmap, reg, scratch, ctl->len); + ret = regmap_raw_read(adsp->regmap, reg, scratch, ctl->len); if (ret) { adsp_err(adsp, "Failed to read %zu bytes from %x\n", ctl->len, reg); @@ -481,37 +473,18 @@ static int wm_coeff_get(struct snd_kcontrol *kcontrol, return 0; } -static int wm_coeff_add_kcontrol(struct wm_coeff *wm_coeff, - struct wm_coeff_ctl *ctl, - const struct snd_kcontrol_new *kctl) -{ - int ret; - struct snd_kcontrol *kcontrol; - - kcontrol = snd_ctl_new1(kctl, wm_coeff); - ret = snd_ctl_add(ctl->card, kcontrol); - if (ret < 0) { - dev_err(wm_coeff->dev, "Failed to add %s: %d\n", - kctl->name, ret); - return ret; - } - ctl->kcontrol = kcontrol; - return 0; -} - struct wmfw_ctl_work { - struct wm_coeff *wm_coeff; + struct wm_adsp *adsp; struct wm_coeff_ctl *ctl; struct work_struct work; }; -static int wmfw_add_ctl(struct wm_coeff *wm_coeff, - struct wm_coeff_ctl *ctl) +static int wmfw_add_ctl(struct wm_adsp *adsp, struct wm_coeff_ctl *ctl) { struct snd_kcontrol_new *kcontrol; int ret; - if (!wm_coeff || !ctl || !ctl->name || !ctl->card) + if (!ctl || !ctl->name || !ctl->card) return -EINVAL; kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); @@ -525,14 +498,17 @@ static int wmfw_add_ctl(struct wm_coeff *wm_coeff, kcontrol->put = wm_coeff_put; kcontrol->private_value = (unsigned long)ctl; - ret = wm_coeff_add_kcontrol(wm_coeff, - ctl, kcontrol); + ret = snd_soc_add_card_controls(ctl->card, + kcontrol, 1); if (ret < 0) goto err_kcontrol; kfree(kcontrol); - list_add(&ctl->list, &wm_coeff->ctl_list); + ctl->kcontrol = snd_soc_card_get_kcontrol(ctl->card, + ctl->name); + + list_add(&ctl->list, &adsp->ctl_list); return 0; err_kcontrol: @@ -753,13 +729,12 @@ out: return ret; } -static int wm_coeff_init_control_caches(struct wm_coeff *wm_coeff) +static int wm_coeff_init_control_caches(struct wm_adsp *adsp) { struct wm_coeff_ctl *ctl; int ret; - list_for_each_entry(ctl, &wm_coeff->ctl_list, - list) { + list_for_each_entry(ctl, &adsp->ctl_list, list) { if (!ctl->enabled || ctl->set) continue; ret = wm_coeff_read_control(ctl->kcontrol, @@ -772,13 +747,12 @@ static int wm_coeff_init_control_caches(struct wm_coeff *wm_coeff) return 0; } -static int wm_coeff_sync_controls(struct wm_coeff *wm_coeff) +static int wm_coeff_sync_controls(struct wm_adsp *adsp) { struct wm_coeff_ctl *ctl; int ret; - list_for_each_entry(ctl, &wm_coeff->ctl_list, - list) { + list_for_each_entry(ctl, &adsp->ctl_list, list) { if (!ctl->enabled) continue; if (ctl->set) { @@ -799,7 +773,7 @@ static void wm_adsp_ctl_work(struct work_struct *work) struct wmfw_ctl_work, work); - wmfw_add_ctl(ctl_work->wm_coeff, ctl_work->ctl); + wmfw_add_ctl(ctl_work->adsp, ctl_work->ctl); kfree(ctl_work); } @@ -842,7 +816,7 @@ static int wm_adsp_create_control(struct snd_soc_codec *codec, snprintf(name, PAGE_SIZE, "DSP%d %s %x", dsp->num, region_name, region->alg); - list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list, + list_for_each_entry(ctl, &dsp->ctl_list, list) { if (!strcmp(ctl->name, name)) { if (!ctl->enabled) @@ -866,7 +840,7 @@ 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->snd_card; + ctl->card = codec->card; ctl->adsp = dsp; ctl->len = region->len; @@ -882,7 +856,7 @@ static int wm_adsp_create_control(struct snd_soc_codec *codec, goto err_ctl_cache; } - ctl_work->wm_coeff = dsp->wm_coeff; + ctl_work->adsp = dsp; ctl_work->ctl = ctl; INIT_WORK(&ctl_work->work, wm_adsp_ctl_work); schedule_work(&ctl_work->work); @@ -1434,12 +1408,12 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w, goto err; /* Initialize caches for enabled and unset controls */ - ret = wm_coeff_init_control_caches(dsp->wm_coeff); + ret = wm_coeff_init_control_caches(dsp); if (ret != 0) goto err; /* Sync set controls */ - ret = wm_coeff_sync_controls(dsp->wm_coeff); + ret = wm_coeff_sync_controls(dsp); if (ret != 0) goto err; @@ -1460,10 +1434,8 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w, regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, ADSP1_SYS_ENA, 0); - list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list, - list) { + list_for_each_entry(ctl, &dsp->ctl_list, list) ctl->enabled = 0; - } break; default: @@ -1591,12 +1563,12 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, goto err; /* Initialize caches for enabled and unset controls */ - ret = wm_coeff_init_control_caches(dsp->wm_coeff); + ret = wm_coeff_init_control_caches(dsp); if (ret != 0) goto err; /* Sync set controls */ - ret = wm_coeff_sync_controls(dsp->wm_coeff); + ret = wm_coeff_sync_controls(dsp); if (ret != 0) goto err; @@ -1637,10 +1609,8 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, ret); } - list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list, - list) { + list_for_each_entry(ctl, &dsp->ctl_list, list) ctl->enabled = 0; - } while (!list_empty(&dsp->alg_regions)) { alg_region = list_first_entry(&dsp->alg_regions, @@ -1679,49 +1649,38 @@ int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs) } INIT_LIST_HEAD(&adsp->alg_regions); - - adsp->wm_coeff = kzalloc(sizeof(*adsp->wm_coeff), - GFP_KERNEL); - if (!adsp->wm_coeff) - return -ENOMEM; - adsp->wm_coeff->regmap = adsp->regmap; - adsp->wm_coeff->dev = adsp->dev; - INIT_LIST_HEAD(&adsp->wm_coeff->ctl_list); + INIT_LIST_HEAD(&adsp->ctl_list); if (dvfs) { adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD"); if (IS_ERR(adsp->dvfs)) { ret = PTR_ERR(adsp->dvfs); dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret); - goto out_coeff; + return ret; } ret = regulator_enable(adsp->dvfs); if (ret != 0) { dev_err(adsp->dev, "Failed to enable DCVDD: %d\n", ret); - goto out_coeff; + return ret; } ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000); if (ret != 0) { dev_err(adsp->dev, "Failed to initialise DVFS: %d\n", ret); - goto out_coeff; + return ret; } ret = regulator_disable(adsp->dvfs); if (ret != 0) { dev_err(adsp->dev, "Failed to disable DCVDD: %d\n", ret); - goto out_coeff; + return ret; } } return 0; - -out_coeff: - kfree(adsp->wm_coeff); - return ret; } EXPORT_SYMBOL_GPL(wm_adsp2_init); diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h index 9f922c82536c..64087fb1cdec 100644 --- a/sound/soc/codecs/wm_adsp.h +++ b/sound/soc/codecs/wm_adsp.h @@ -57,7 +57,7 @@ struct wm_adsp { struct regulator *dvfs; - struct wm_coeff *wm_coeff; + struct list_head ctl_list; }; #define WM_ADSP1(wname, num) \ -- cgit v1.2.3 From 92bb4c32708ee3e1d6eb0e185d678dab35152daf Mon Sep 17 00:00:00 2001 From: Dimitris Papastamos Date: Thu, 1 Aug 2013 11:11:28 +0100 Subject: 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 Signed-off-by: Mark Brown --- sound/soc/codecs/wm_adsp.c | 31 ++++++++++++++++--------------- sound/soc/codecs/wm_adsp.h | 1 + 2 files changed, 17 insertions(+), 15 deletions(-) (limited to 'sound') diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 3168224bc104..b38f3506418f 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -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; diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h index 64087fb1cdec..d018dea6254d 100644 --- a/sound/soc/codecs/wm_adsp.h +++ b/sound/soc/codecs/wm_adsp.h @@ -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; -- cgit v1.2.3