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authorMark Brown <broonie@opensource.wolfsonmicro.com>2008-07-17 15:06:51 +0100
committerTakashi Iwai <tiwai@suse.de>2008-07-17 16:17:17 +0200
commit9dd8d812d3b4d208a769ca3cf23a7f9294632d0d (patch)
tree779b9c5902acac0015a3875f10e4f74680e8d954 /sound
parent2927d6eeca0a5004d81fa5bedbdf3f2b1b842903 (diff)
downloadlinux-9dd8d812d3b4d208a769ca3cf23a7f9294632d0d.tar.bz2
ALSA: ASoC: Factor PGA DAPM handling into main
This allows pre and post event hooks to be provided for PGA widgets. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-dapm.c26
1 files changed, 8 insertions, 18 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 17698ef58dfb..820347c9ae4b 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -523,24 +523,6 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
continue;
}
- /* programmable gain/attenuation */
- if (w->id == snd_soc_dapm_pga) {
- int on;
- in = is_connected_input_ep(w);
- dapm_clear_walk(w->codec);
- out = is_connected_output_ep(w);
- dapm_clear_walk(w->codec);
- w->power = on = (out != 0 && in != 0) ? 1 : 0;
-
- if (!on)
- dapm_set_pga(w, on); /* lower volume to reduce pops */
- dapm_update_bits(w);
- if (on)
- dapm_set_pga(w, on); /* restore volume from zero */
-
- continue;
- }
-
/* pre and post event widgets */
if (w->id == snd_soc_dapm_pre) {
if (!w->event)
@@ -611,8 +593,16 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
return ret;
}
+ /* Lower PGA volume to reduce pops */
+ if (w->id == snd_soc_dapm_pga && !power)
+ dapm_set_pga(w, power);
+
dapm_update_bits(w);
+ /* Raise PGA volume to reduce pops */
+ if (w->id == snd_soc_dapm_pga && power)
+ dapm_set_pga(w, power);
+
/* power up post event */
if (power && w->event &&
(w->event_flags & SND_SOC_DAPM_POST_PMU)) {