Some systems wish to use jacks as wake sources. Provide a wake flag in the GPIO configuration which causes the driver to enable the IRQ as a wake source.

Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- include/sound/soc.h | 3 +++ sound/soc/soc-jack.c | 8 ++++++++ 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h index 4ccf1e4..fb57c33 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -436,6 +436,7 @@ struct snd_soc_jack_zone { * @report: value to report when jack detected * @invert: report presence in low state * @debouce_time: debouce time in ms + * @wake: enable as wake source */ #ifdef CONFIG_GPIOLIB struct snd_soc_jack_gpio { @@ -444,6 +445,8 @@ struct snd_soc_jack_gpio { int report; int invert; int debounce_time; + bool wake; + struct snd_soc_jack *jack; struct delayed_work work;

diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c index 4579ee0..1382251 100644 --- a/sound/soc/soc-jack.c +++ b/sound/soc/soc-jack.c @@ -330,6 +330,14 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, if (ret) goto err;

+ if (gpios[i].wake) { + ret = set_irq_wake(gpio_to_irq(gpios[i].gpio), 1); + if (ret != 0) + printk(KERN_ERR + "Failed to mark GPIO %d as wake source: %d\n", + gpios[i].gpio, ret); + } + #ifdef CONFIG_GPIO_SYSFS /* Expose GPIO value over sysfs for diagnostic purposes */ gpio_export(gpios[i].gpio, false);