From 4f066173fe8deb8874f41917e5d26ea2e0c46e3b Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 17 Oct 2009 08:32:56 +0200 Subject: ASoC: Move dereference after NULL test If the NULL test on jack is needed, then the derefernce should be after the NULL test. A simplified version of the semantic match that detects this problem is as follows (http://coccinelle.lip6.fr/): // @match exists@ expression x, E; identifier fld; @@ * x->fld ... when != \(x = E\|&x\) * x == NULL // Signed-off-by: Julia Lawall Signed-off-by: Mark Brown --- sound/soc/soc-jack.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'sound/soc/soc-jack.c') diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c index 1d455ab79490..12124149601e 100644 --- a/sound/soc/soc-jack.c +++ b/sound/soc/soc-jack.c @@ -58,7 +58,7 @@ EXPORT_SYMBOL_GPL(snd_soc_jack_new); */ void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask) { - struct snd_soc_codec *codec = jack->card->codec; + struct snd_soc_codec *codec; struct snd_soc_jack_pin *pin; int enable; int oldstatus; @@ -67,6 +67,7 @@ void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask) WARN_ON_ONCE(!jack); return; } + codec = jack->card->codec; mutex_lock(&codec->mutex); -- cgit v1.2.2 From c871a05315d1a76034ea06feeda92081e1d608bf Mon Sep 17 00:00:00 2001 From: Joonyoung Shim Date: Thu, 12 Nov 2009 17:14:04 +0900 Subject: ASoC: Add jack_status_check callback function for GPIO jacks The jack_status_check callback function is the interface to check the status of the jack. Some target provides the method to distinguish what is the jack inserted - headphone jack, microphone jack, tvout jack, etc, so we can implement it using the jack_status_check function. Signed-off-by: Joonyoung Shim Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/soc-jack.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'sound/soc/soc-jack.c') diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c index 12124149601e..3c07a94c2e30 100644 --- a/sound/soc/soc-jack.c +++ b/sound/soc/soc-jack.c @@ -163,6 +163,9 @@ static void snd_soc_jack_gpio_detect(struct snd_soc_jack_gpio *gpio) else report = 0; + if (gpio->jack_status_check) + report = gpio->jack_status_check(); + snd_soc_jack_report(jack, report, gpio->report); } -- cgit v1.2.2