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| Started by | Baolin Wang <baolin.wang@linaro.org> |
|---|---|
| First post | 2015-08-19 11:20 +0200 |
| Last post | 2015-08-19 11:20 +0200 |
| Articles | 1 — 1 participant |
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[PATCH v4 0/5] Introduce usb charger framework to deal with the usb gadget power negotation Baolin Wang <baolin.wang@linaro.org> - 2015-08-19 11:20 +0200
| From | Baolin Wang <baolin.wang@linaro.org> |
|---|---|
| Date | 2015-08-19 11:20 +0200 |
| Subject | [PATCH v4 0/5] Introduce usb charger framework to deal with the usb gadget power negotation |
| Message-ID | <pZ7Hj-1AV-3@gated-at.bofh.it> |
Currently the Linux kernel does not provide any standard integration of this feature that integrates the USB subsystem with the system power regulation provided by PMICs meaning that either vendors must add this in their kernels or USB gadget devices based on Linux (such as mobile phones) may not behave as they should. Providing a standard framework for doing this in the kernel. Now introduce one user with wm831x_power to support and test the usb charger, which is pending testing. Moreover there may be other potential users will use it in future. Changes since v3: - Re-order the patch and split the patch to avoid breaking build. - Other modifications. Baolin Wang (5): gadget: Introduce the notifier functions gadget: Introduce the usb charger framework gadget: Support for the usb charger framework gadget: Integrate with the usb gadget supporting for usb charger power: wm831x_power: Support USB charger current limit management drivers/power/wm831x_power.c | 69 +++++ drivers/usb/gadget/Kconfig | 7 + drivers/usb/gadget/Makefile | 1 + drivers/usb/gadget/charger.c | 538 +++++++++++++++++++++++++++++++++++++ drivers/usb/gadget/udc/udc-core.c | 40 +++ include/linux/mfd/wm831x/pdata.h | 3 + include/linux/usb/gadget.h | 20 ++ include/linux/usb/usb_charger.h | 138 ++++++++++ 8 files changed, 816 insertions(+) create mode 100644 drivers/usb/gadget/charger.c create mode 100644 include/linux/usb/usb_charger.h -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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