diff options
| author |   Richard Fitzgerald <rf@opensource.cirrus.com> | 2018-11-12 15:28:37 +0000 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2019-01-03 08:32:42 +0000 |
| commit | 7f9472134a5af31bad191f074a5d416146da26f7 (patch) | |
| tree | 0679bd7a187a97ca78c23a80e5f9895f8eac9f3e /drivers/mfd/madera-core.c | |
| parent | mfd: at91-usart: Add platform dependency (diff) | |
| download | linux-dev-7f9472134a5af31bad191f074a5d416146da26f7.tar.xz linux-dev-7f9472134a5af31bad191f074a5d416146da26f7.zip | |
mfd: madera: Add shared data for accessory detection
Add variables to struct madera that will be shared by the
extcon and audio codec drivers to synchronize output state
during accessory detection. Also add a mutex to protect
the DAPM pointer.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/madera-core.c')
| -rw-r--r-- | drivers/mfd/madera-core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mfd/madera-core.c b/drivers/mfd/madera-core.c index 440030cecbbd..5b58a8aea902 100644 --- a/drivers/mfd/madera-core.c +++ b/drivers/mfd/madera-core.c @@ -15,6 +15,7 @@ #include <linux/gpio.h> #include <linux/mfd/core.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/notifier.h> #include <linux/of.h> #include <linux/of_gpio.h> @@ -357,6 +358,8 @@ int madera_dev_init(struct madera *madera) dev_set_drvdata(madera->dev, madera); BLOCKING_INIT_NOTIFIER_HEAD(&madera->notifier); + mutex_init(&madera->dapm_ptr_lock); + madera_set_micbias_info(madera); /* |