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Message-Id: <1392655903-24537-14-git-send-email-ckeepax@opensource.wolfsonmicro.com>
Date: Mon, 17 Feb 2014 16:51:41 +0000
From: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
To: broonie@...nel.org
Cc: myungjoo.ham@...sung.com, cw00.choi@...sung.com,
dmitry.torokhov@...il.com, lgirdwood@...il.com, lars@...afoo.de,
peter.ujfalusi@...com, jarkko.nikula@...mer.com,
eric.y.miao@...il.com, haojian.zhuang@...il.com,
linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
alsa-devel@...a-project.org, linux@....linux.org.uk
Subject: [PATCH 13/15] ASoC: pxa: magician: Update locking around use of DAPM pin API
The pin updates in this driver look like they are intended to be done
atomically, update to do so.
Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
---
sound/soc/pxa/magician.c | 20 ++++++++++++--------
1 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/sound/soc/pxa/magician.c b/sound/soc/pxa/magician.c
index aace19e..b5f0e00 100644
--- a/sound/soc/pxa/magician.c
+++ b/sound/soc/pxa/magician.c
@@ -45,26 +45,30 @@ static void magician_ext_control(struct snd_soc_codec *codec)
{
struct snd_soc_dapm_context *dapm = &codec->dapm;
+ mutex_lock(&dapm->card->dapm_mutex);
+
if (magician_spk_switch)
- snd_soc_dapm_enable_pin(dapm, "Speaker");
+ snd_soc_dapm_enable_pin_locked(dapm, "Speaker");
else
- snd_soc_dapm_disable_pin(dapm, "Speaker");
+ snd_soc_dapm_disable_pin_locked(dapm, "Speaker");
if (magician_hp_switch)
- snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+ snd_soc_dapm_enable_pin_locked(dapm, "Headphone Jack");
else
- snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
+ snd_soc_dapm_disable_pin_locked(dapm, "Headphone Jack");
switch (magician_in_sel) {
case MAGICIAN_MIC:
- snd_soc_dapm_disable_pin(dapm, "Headset Mic");
- snd_soc_dapm_enable_pin(dapm, "Call Mic");
+ snd_soc_dapm_disable_pin_locked(dapm, "Headset Mic");
+ snd_soc_dapm_enable_pin_locked(dapm, "Call Mic");
break;
case MAGICIAN_MIC_EXT:
- snd_soc_dapm_disable_pin(dapm, "Call Mic");
- snd_soc_dapm_enable_pin(dapm, "Headset Mic");
+ snd_soc_dapm_disable_pin_locked(dapm, "Call Mic");
+ snd_soc_dapm_enable_pin_locked(dapm, "Headset Mic");
break;
}
+ mutex_unlock(&dapm->card->dapm_mutex);
+
snd_soc_dapm_sync(dapm);
}
--
1.7.2.5
--
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