From 5ba06fc969d068dee9a59f1fa3dbe58e235fa913 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 16 Feb 2012 11:07:13 -0800 Subject: [PATCH] ASoC: dapm: Refactor snd_soc_dapm_new_widget() to return the widget Let the caller fiddle with the widget after we're done in order to facilitate further refactoring. Signed-off-by: Mark Brown Acked-by: Liam Girdwood --- sound/soc/soc-dapm.c | 35 ++++++++++++++--------------------- 1 file changed, 14 insertions(+), 21 deletions(-) diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 1bcce75..295fa91 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2698,24 +2698,16 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, } EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch); -/** - * snd_soc_dapm_new_control - create new dapm control - * @dapm: DAPM context - * @widget: widget template - * - * Creates a new dapm control based upon the template. - * - * Returns 0 for success else error. - */ -static int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, - const struct snd_soc_dapm_widget *widget) +static struct snd_soc_dapm_widget * +snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, + const struct snd_soc_dapm_widget *widget) { struct snd_soc_dapm_widget *w; size_t name_len; int ret; if ((w = dapm_cnew_widget(widget)) == NULL) - return -ENOMEM; + return NULL; switch (w->id) { case snd_soc_dapm_regulator_supply: @@ -2724,7 +2716,7 @@ static int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, ret = PTR_ERR(w->priv); dev_err(dapm->dev, "Failed to request %s: %d\n", w->name, ret); - return ret; + return NULL; } break; default: @@ -2737,7 +2729,7 @@ static int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, w->name = kmalloc(name_len, GFP_KERNEL); if (w->name == NULL) { kfree(w); - return -ENOMEM; + return NULL; } if (dapm->codec && dapm->codec->name_prefix) snprintf(w->name, name_len, "%s %s", @@ -2796,7 +2788,7 @@ static int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, /* machine layer set ups unconnected pins and insertions */ w->connected = 1; - return 0; + return w; } /** @@ -2813,15 +2805,16 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_widget *widget, int num) { - int i, ret; + struct snd_soc_dapm_widget *w; + int i; for (i = 0; i < num; i++) { - ret = snd_soc_dapm_new_control(dapm, widget); - if (ret < 0) { + w = snd_soc_dapm_new_control(dapm, widget); + if (!w) { dev_err(dapm->dev, - "ASoC: Failed to create DAPM control %s: %d\n", - widget->name, ret); - return ret; + "ASoC: Failed to create DAPM control %s\n", + widget->name); + return -ENOMEM; } widget++; } -- 2.7.4