greybus: lights: default value for v4l2 flash controls

V4l2 flash will return erro ERANGE if val(which is the default value)
is not defined. Just set it to the max value reported by the module.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c
index c49cc7ea4b28315d1fdb215152ef19bc55e7f5fb..153c4f5479f0cb27517034ba7632d2cbbba52a9e 100644 (file)
--- a/drivers/staging/greybus/light.c
+++ b/drivers/staging/greybus/light.c
@@ -702,6 +702,7 @@ static int __gb_lights_flash_led_register(struct gb_channel *channel)
        fset->min = channel->intensity_uA.min;
        fset->max = channel->intensity_uA.max;
        fset->step = channel->intensity_uA.step;
+       fset->val = channel->intensity_uA.max;
 
        /* Only the flash mode have the timeout constraints settings */
        if (channel->mode & GB_CHANNEL_MODE_FLASH) {
@@ -709,6 +710,7 @@ static int __gb_lights_flash_led_register(struct gb_channel *channel)
                fset->min = channel->timeout_us.min;
                fset->max = channel->timeout_us.max;
                fset->step = channel->timeout_us.step;
+               fset->val = channel->timeout_us.max;
        }
 
        /*