diff options
Diffstat (limited to 'recipes/linux/linux-omap-2.6.29/omap3-touchbook/usb-lower-current-consumption-upon-insertion.patch')
| -rw-r--r-- | recipes/linux/linux-omap-2.6.29/omap3-touchbook/usb-lower-current-consumption-upon-insertion.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/usb-lower-current-consumption-upon-insertion.patch b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/usb-lower-current-consumption-upon-insertion.patch new file mode 100644 index 0000000000..e2df6cf83d --- /dev/null +++ b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/usb-lower-current-consumption-upon-insertion.patch @@ -0,0 +1,30 @@ +--- a/drivers/usb/core/hub.c 2009-07-28 08:47:00.000000000 -0700 ++++ b/drivers/usb/core/hub.c 2009-07-28 08:32:20.000000000 -0700 +@@ -22,6 +22,7 @@ + #include <linux/kthread.h> + #include <linux/mutex.h> + #include <linux/freezer.h> ++#include <linux/gpio.h> + + #include <asm/uaccess.h> + #include <asm/byteorder.h> +@@ -3129,9 +3130,18 @@ + USB_PORT_FEAT_C_RESET); + } + +- if (connect_change) ++ if (connect_change) { ++ if(portstatus & USB_PORT_STAT_CONNECTION) { ++ gpio_set_value(176,0); ++ mdelay(25); ++ } + hub_port_connect_change(hub, i, + portstatus, portchange); ++ if(portstatus & USB_PORT_STAT_CONNECTION) { ++ mdelay(75); ++ gpio_set_value(176,1); ++ } ++ } + } /* end for i */ + + /* deal with hub status changes */ |