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| author | Mihail Zenkov <Mihail_Zenkov@rockbox.org> | 2014-09-27 23:58:51 +0200 |
|---|---|---|
| committer | Michael Giacomelli <giac2000@hotmail.com> | 2014-09-28 21:07:45 +0200 |
| commit | 02414bf286e4ff6a08d19e951bff1e0905d330b4 (patch) | |
| tree | a0040c236528b0b71616bef6bd713865e338ab94 | |
| parent | 515a3c50fca3f6e623683dc2c4c77c5b84911b12 (diff) | |
| download | rockbox-02414bf286e4ff6a08d19e951bff1e0905d330b4.zip rockbox-02414bf286e4ff6a08d19e951bff1e0905d330b4.tar.gz rockbox-02414bf286e4ff6a08d19e951bff1e0905d330b4.tar.bz2 rockbox-02414bf286e4ff6a08d19e951bff1e0905d330b4.tar.xz | |
Make sure the USB PHY is disabled after use. Patch by Mihail Zenkov who has
measured several milliamps power reduction from having the PHY disabled.
Change-Id: I29e55222eb50acf2023ac1113a90612029c580af
Reviewed-on: http://gerrit.rockbox.org/988
Reviewed-by: Michael Giacomelli <giac2000@hotmail.com>
Tested: Michael Giacomelli <giac2000@hotmail.com>
| -rw-r--r-- | docs/CREDITS | 1 | ||||
| -rw-r--r-- | firmware/target/arm/usb-s3c6400x.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/docs/CREDITS b/docs/CREDITS index 4b3b590..96a5b78 100644 --- a/docs/CREDITS +++ b/docs/CREDITS @@ -643,6 +643,7 @@ Yifu Huang Jonathan Bettencourt Ilia Sergachev Nial Shui +Mihail Zenkov The libmad team The wavpack team diff --git a/firmware/target/arm/usb-s3c6400x.c b/firmware/target/arm/usb-s3c6400x.c index 48521aa..af4e564 100644 --- a/firmware/target/arm/usb-s3c6400x.c +++ b/firmware/target/arm/usb-s3c6400x.c @@ -354,6 +354,12 @@ void usb_drv_exit(void) CGU_USB = 0; bitclr32(&CGU_PERI, CGU_USB_CLOCK_ENABLE); + + /* reset USB_PHY to prevent power consumption */ + CCU_SRC = CCU_SRC_USB_PHY_EN; + CCU_SRL = CCU_SRL_MAGIC_NUMBER; + CCU_SRL = 0; + } #elif CONFIG_CPU == S5L8701 || CONFIG_CPU == S5L8702 static void usb_reset(void) |