diff options
Diffstat (limited to 'firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c')
| -rw-r--r-- | firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c b/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c index 7f37d67d43..4882f243aa 100644 --- a/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c +++ b/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c @@ -19,6 +19,9 @@ * ****************************************************************************/ #include "button-target.h" +#include "system.h" +#include "system-target.h" +#include "pinctrl-imx233.h" void button_init_device(void) { @@ -26,5 +29,19 @@ void button_init_device(void) int button_read_device(void) { - return 0; + int res = 0; + if(!imx233_get_gpio_input_mask(1, 0x40000000)) + res |= BUTTON_VOL_DOWN; + /* The imx233 uses the voltage on the PSWITCH pin to detect power up/down + * events as well as recovery mode. Since the power button is the power button + * and the volume up button is recovery, it is not possible to know whether + * power button is down when volume up is down (except if there is another + * method but volume up and power don't seem to be wired to GPIO pins). */ + switch((HW_POWER_STS & HW_POWER_STS__PSWITCH_BM) >> HW_POWER_STS__PSWITCH_BP) + { + case 1: res |= BUTTON_POWER; break; + case 3: res |= BUTTON_VOL_UP; break; + default: break; + } + return res; } |