lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1392655903-24537-12-git-send-email-ckeepax@opensource.wolfsonmicro.com>
Date:	Mon, 17 Feb 2014 16:51:39 +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 11/15] ASoC: omap: rx51: 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/omap/rx51.c |   20 ++++++++++++--------
 1 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c
index 611179c..51f1ae6 100644
--- a/sound/soc/omap/rx51.c
+++ b/sound/soc/omap/rx51.c
@@ -74,22 +74,26 @@ static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
 		break;
 	}
 
+	mutex_lock(&dapm->card->dapm_mutex);
+
 	if (rx51_spk_func)
-		snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+		snd_soc_dapm_enable_pin_locked(dapm, "Ext Spk");
 	else
-		snd_soc_dapm_disable_pin(dapm, "Ext Spk");
+		snd_soc_dapm_disable_pin_locked(dapm, "Ext Spk");
 	if (rx51_dmic_func)
-		snd_soc_dapm_enable_pin(dapm, "DMic");
+		snd_soc_dapm_enable_pin_locked(dapm, "DMic");
 	else
-		snd_soc_dapm_disable_pin(dapm, "DMic");
+		snd_soc_dapm_disable_pin_locked(dapm, "DMic");
 	if (hp)
-		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");
 	if (hs)
-		snd_soc_dapm_enable_pin(dapm, "HS Mic");
+		snd_soc_dapm_enable_pin_locked(dapm, "HS Mic");
 	else
-		snd_soc_dapm_disable_pin(dapm, "HS Mic");
+		snd_soc_dapm_disable_pin_locked(dapm, "HS Mic");
+
+	mutex_unlock(&dapm->card->dapm_mutex);
 
 	gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
 
-- 
1.7.2.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ