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Commit 9af6d956 authored by Laim Girdwood's avatar Laim Girdwood Committed by Jaroslav Kysela
Browse files

[ALSA] soc - Add support for passing kcontrols with events 




Signed-off-by: default avatarLaim Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 6c59e6c4

include/sound/soc-dapm.h

+1 −1
Original line number Diff line number Diff line
@@ -289,7 +289,7 @@ struct snd_soc_dapm_widget { 


	/* external events */

	unsigned short event_flags;		/* flags to specify event types */

	int (*event)(struct snd_soc_dapm_widget*, int);

	int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int);



	/* kcontrols that relate to this widget */

	int num_kcontrols;

sound/soc/soc-dapm.c

+27 −13
Original line number Diff line number Diff line
@@ -523,11 +523,13 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) 
					continue;



				if (event == SND_SOC_DAPM_STREAM_START) {

					ret = w->event(w, SND_SOC_DAPM_PRE_PMU);

					ret = w->event(w,

						NULL, SND_SOC_DAPM_PRE_PMU);

					if (ret < 0)

						return ret;

				} else if (event == SND_SOC_DAPM_STREAM_STOP) {

					ret = w->event(w, SND_SOC_DAPM_PRE_PMD);

					ret = w->event(w,

						NULL, SND_SOC_DAPM_PRE_PMD);

					if (ret < 0)

						return ret;

				}
@@ -538,11 +540,13 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) 
					continue;



				if (event == SND_SOC_DAPM_STREAM_START) {

					ret = w->event(w, SND_SOC_DAPM_POST_PMU);

					ret = w->event(w,

						NULL, SND_SOC_DAPM_POST_PMU);

					if (ret < 0)

						return ret;

				} else if (event == SND_SOC_DAPM_STREAM_STOP) {

					ret = w->event(w, SND_SOC_DAPM_POST_PMD);

					ret = w->event(w,

						NULL, SND_SOC_DAPM_POST_PMD);

					if (ret < 0)

						return ret;

				}
@@ -566,26 +570,30 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) 
					if (power) {

						/* power up event */

						if (w->event_flags & SND_SOC_DAPM_PRE_PMU) {

							ret = w->event(w, SND_SOC_DAPM_PRE_PMU);

							ret = w->event(w,

								NULL, SND_SOC_DAPM_PRE_PMU);

							if (ret < 0)

								return ret;

						}

						dapm_update_bits(w);

						if (w->event_flags & SND_SOC_DAPM_POST_PMU){

							ret = w->event(w, SND_SOC_DAPM_POST_PMU);

							ret = w->event(w,

								NULL, SND_SOC_DAPM_POST_PMU);

							if (ret < 0)

								return ret;

						}

					} else {

						/* power down event */

						if (w->event_flags & SND_SOC_DAPM_PRE_PMD) {

							ret = w->event(w, SND_SOC_DAPM_PRE_PMD);

							ret = w->event(w,

								NULL, SND_SOC_DAPM_PRE_PMD);

							if (ret < 0)

								return ret;

						}

						dapm_update_bits(w);

						if (w->event_flags & SND_SOC_DAPM_POST_PMD) {

							ret = w->event(w, SND_SOC_DAPM_POST_PMD);

							ret = w->event(w,

								NULL, SND_SOC_DAPM_POST_PMD);

							if (ret < 0)

								return ret;

						}
@@ -1095,13 +1103,17 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 
	dapm_mixer_update_power(widget, kcontrol, reg, val_mask, val, invert);

	if (widget->event) {

		if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {

			ret = widget->event(widget, SND_SOC_DAPM_PRE_REG);

			if (ret < 0)

			ret = widget->event(widget, kcontrol,

						SND_SOC_DAPM_PRE_REG);

			if (ret < 0) {

				ret = 1;

				goto out;

			}

		}

		ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);

		if (widget->event_flags & SND_SOC_DAPM_POST_REG)

			ret = widget->event(widget, SND_SOC_DAPM_POST_REG);

			ret = widget->event(widget, kcontrol,

						SND_SOC_DAPM_POST_REG);

	} else

		ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);
@@ -1176,13 +1188,15 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 
	dapm_mux_update_power(widget, kcontrol, mask, mux, e);

	if (widget->event) {

		if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {

			ret = widget->event(widget, SND_SOC_DAPM_PRE_REG);

			ret = widget->event(widget,

				kcontrol, SND_SOC_DAPM_PRE_REG);

			if (ret < 0)

				goto out;

		}

		ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);

		if (widget->event_flags & SND_SOC_DAPM_POST_REG)

			ret = widget->event(widget, SND_SOC_DAPM_POST_REG);

			ret = widget->event(widget,

				kcontrol, SND_SOC_DAPM_POST_REG);

	} else

		ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);