len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-11-10 21:52:28 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

ypr0: Enable headphone detection

Browse source 
Author: Lorenzo Miori
Flyspray: FS#12348

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31544 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2012-01-03 21:15:27 +00:00
parent e9cb9538c7
commit c08ce1b829
8 changed files with 303 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

13
firmware/target/hosted/ypr0/button-ypr0.c
View file

@ -28,6 +28,7 @@
#include "kernel.h"
#include "system.h"
#include "button-target.h"
#include <gpio_ypr0.h> /* For headphones sense */
/* R0 physical key codes */
enum ypr0_buttons {
@ -45,6 +46,7 @@ enum ypr0_buttons {
static int r0_btn_fd = 0;
/* Samsung keypad driver doesn't allow multiple key combinations :( */
static enum ypr0_buttons r0_read_key(void)
{
@ -82,6 +84,11 @@ int button_read_device(void)
return key_to_button(r0_read_key());
}
bool headphones_inserted(void)
{
/* GPIO low - 0 - means headphones inserted */
return !gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_HEADPHONE_SENSE, 0, 0);
}
/* Open the keypad device: it is offered by r0Btn.ko module */
void button_init_device(void)
@ -89,6 +96,10 @@ void button_init_device(void)
r0_btn_fd = open("/dev/r0Btn", O_RDONLY);
if (r0_btn_fd < 0)
printf("/dev/r0Btn open error!");
/* Setup GPIO pin for headphone sense, copied from OF */
gpio_control(DEV_CTRL_GPIO_SET_MUX, GPIO_HEADPHONE_SENSE, CONFIG_SION, PAD_CTL_47K_PU);
gpio_control(DEV_CTRL_GPIO_SET_INPUT, GPIO_HEADPHONE_SENSE, CONFIG_SION, PAD_CTL_47K_PU);
}
#ifdef BUTTON_DRIVER_CLOSE
@ -99,5 +110,7 @@ void button_close_device(void)
close(r0_btn_fd);
printf("/dev/r0Btn closed!");
}
/* Don't know the precise meaning, but it's done as in the OF, so copied there */
gpio_control(DEV_CTRL_GPIO_UNSET_MUX, GPIO_HEADPHONE_SENSE, CONFIG_SION, 0);
}
#endif /* BUTTON_DRIVER_CLOSE */