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Adding the option to disable disabling ports 2&3 when going into self po... #4

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Merged
hardkernel merged 3 commits into from
Oct 5, 2012
Merged

Adding the option to disable disabling ports 2&3 when going into self po... #4

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c56987c
Adding the option to disable disabling ports 2&3 when going into self…
xenoxaos Sep 29, 2012
1092cac
Adding choice between Linux and Android style LEDs on the ODROID-x
xenoxaos Sep 30, 2012
8ac90a3
Update arch/arm/mach-exynos/mach-hkdk4412.c
xenoxaos Sep 30, 2012
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Adding the option to disable disabling ports 2&3 when going into self… 
… powered hub mode. This will enable the two ports on the odroid-x with newer kernels.
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@xenoxaos
xenoxaos committed Sep 29, 2012
commit c56987cf06b22bf951a8dea8aa193a04b7a9c432
7 changes: 7 additions & 0 deletions drivers/usb/misc/Kconfig
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Expand Up @@ -249,3 +249,10 @@ config USB_HSIC_USB3503
depends on I2C
help
This option enables support for SMSC USB3503 HSIC to USB 2.0 Driver.
config USB3503_PORTS_SELF_POWER_DISABLED

boolean "Enable Ports 2 & 3 to be diabled"
depends on USB_HSIC_USB3503
help
Say Y here if you want the ports 2 and 3 to be disabled
when the hub goes into self power mode
5 changes: 5 additions & 0 deletions drivers/usb/misc/usb3503.c
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Expand Up @@ -197,8 +197,13 @@ static int usb3503_set_mode(struct usb3503_hubctl *hc, int mode)
goto exit;
}
#endif

/* PDS : Port2,3 Disable For Self Powered Operation */

err = -1;
#if defined(CONFIG_USB3503_PORTS_SELF_POWER_DISABLED)
err = reg_update(i2c_dev, PDS_REG, (PDS_PORT2 | PDS_PORT3), 1);
#endif
if (err < 0) {
pr_err(HUB_TAG "PDS update fail err = %d\n", err);
goto exit;
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