diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2014-11-09 17:01:02 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-11-10 19:08:22 +0000 |
| commit | fabfad2f8b23529722c6ef5b3537c457e63d2c82 (patch) | |
| tree | 7328cbf46314fff70aacfe9089c3b74ee6285cd4 /sound/soc | |
| parent | 78660af7ba30e9d2cc9614465c8b65b3c85f49a9 (diff) | |
| download | linux-fabfad2f8b23529722c6ef5b3537c457e63d2c82.tar.bz2 | |
ASoC: wm8958: Move DSP firmware lock to driver level
The wm8958 driver uses the snd_soc_codec mutex to protect the various
firmware pointers from concurrent assignment. This patch moves this lock to
the driver level. This will allow us to eventually remove the snd_soc_codec
mutex.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/wm8958-dsp2.c | 12 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8994.c | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8994.h | 2 |
3 files changed, 10 insertions, 6 deletions
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c index 0dada7f0105e..3cbc82b33292 100644 --- a/sound/soc/codecs/wm8958-dsp2.c +++ b/sound/soc/codecs/wm8958-dsp2.c @@ -867,9 +867,9 @@ static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context) struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); if (fw && (wm8958_dsp2_fw(codec, "ENH_EQ", fw, true) == 0)) { - mutex_lock(&codec->mutex); + mutex_lock(&wm8994->fw_lock); wm8994->enh_eq = fw; - mutex_unlock(&codec->mutex); + mutex_unlock(&wm8994->fw_lock); } } @@ -879,9 +879,9 @@ static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context) struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); if (fw && (wm8958_dsp2_fw(codec, "MBC+VSS", fw, true) == 0)) { - mutex_lock(&codec->mutex); + mutex_lock(&wm8994->fw_lock); wm8994->mbc_vss = fw; - mutex_unlock(&codec->mutex); + mutex_unlock(&wm8994->fw_lock); } } @@ -891,9 +891,9 @@ static void wm8958_mbc_loaded(const struct firmware *fw, void *context) struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); if (fw && (wm8958_dsp2_fw(codec, "MBC", fw, true) == 0)) { - mutex_lock(&codec->mutex); + mutex_lock(&wm8994->fw_lock); wm8994->mbc = fw; - mutex_unlock(&codec->mutex); + mutex_unlock(&wm8994->fw_lock); } } diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 1fcb9f3f3097..dbca6e0cc93a 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -4457,6 +4457,8 @@ static int wm8994_probe(struct platform_device *pdev) return -ENOMEM; platform_set_drvdata(pdev, wm8994); + mutex_init(&wm8994->fw_lock); + wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent); pm_runtime_enable(&pdev->dev); diff --git a/sound/soc/codecs/wm8994.h b/sound/soc/codecs/wm8994.h index 6536f8d45ac6..dd73387b1cc4 100644 --- a/sound/soc/codecs/wm8994.h +++ b/sound/soc/codecs/wm8994.h @@ -13,6 +13,7 @@ #include <linux/firmware.h> #include <linux/completion.h> #include <linux/workqueue.h> +#include <linux/mutex.h> #include "wm_hubs.h" @@ -156,6 +157,7 @@ struct wm8994_priv { unsigned int aif1clk_disable:1; unsigned int aif2clk_disable:1; + struct mutex fw_lock; int dsp_active; const struct firmware *cur_fw; const struct firmware *mbc; |