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author | Michael Sevakis <jethead71@rockbox.org> | 2012-01-01 03:19:52 +0000 |
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committer | Michael Sevakis <jethead71@rockbox.org> | 2012-01-01 03:19:52 +0000 |
commit | 36bc6a1fd5273a22daf4e00e5da058250ab54774 (patch) | |
tree | 0ad1128efd7c414c20ea5de577d345b25be1592e /firmware/target | |
parent | 7b22ea0d377f69ec7a0d7be7215ef3c560ce13e7 (diff) | |
download | rockbox-36bc6a1fd5273a22daf4e00e5da058250ab54774.tar.gz rockbox-36bc6a1fd5273a22daf4e00e5da058250ab54774.zip |
Gigabeat S: Revert removal of usb_plugged in r31489
Synchronous cable read is still required because the timing of the receipt of
the cable event cannot be known for sure-- basically it introduced a thread
race between main and pmic. If a keypress is desired instead to enter BL USB
mode a la AS3525, then it's possible to remove that.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31510 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target')
-rw-r--r-- | firmware/target/arm/imx31/gigabeat-s/system-target.h | 1 | ||||
-rw-r--r-- | firmware/target/arm/imx31/gigabeat-s/usb-gigabeat-s.c | 9 |
2 files changed, 8 insertions, 2 deletions
diff --git a/firmware/target/arm/imx31/gigabeat-s/system-target.h b/firmware/target/arm/imx31/gigabeat-s/system-target.h index 533b2a1bd3..44a97c7ca9 100644 --- a/firmware/target/arm/imx31/gigabeat-s/system-target.h +++ b/firmware/target/arm/imx31/gigabeat-s/system-target.h | |||
@@ -85,6 +85,7 @@ struct ARM_REGS { | |||
85 | 85 | ||
86 | void dumpregs(void); | 86 | void dumpregs(void); |
87 | 87 | ||
88 | bool usb_plugged(void); | ||
88 | void usb_connect_event(void); | 89 | void usb_connect_event(void); |
89 | 90 | ||
90 | /** Sector read/write filters **/ | 91 | /** Sector read/write filters **/ |
diff --git a/firmware/target/arm/imx31/gigabeat-s/usb-gigabeat-s.c b/firmware/target/arm/imx31/gigabeat-s/usb-gigabeat-s.c index d967cd67f6..b157544016 100644 --- a/firmware/target/arm/imx31/gigabeat-s/usb-gigabeat-s.c +++ b/firmware/target/arm/imx31/gigabeat-s/usb-gigabeat-s.c | |||
@@ -53,11 +53,16 @@ static void enable_transceiver(bool enable) | |||
53 | } | 53 | } |
54 | } | 54 | } |
55 | 55 | ||
56 | /* Read the immediate state of the cable from the PMIC */ | ||
57 | bool usb_plugged(void) | ||
58 | { | ||
59 | return mc13783_read(MC13783_INTERRUPT_SENSE0) & MC13783_USB4V4S; | ||
60 | } | ||
61 | |||
56 | void usb_connect_event(void) | 62 | void usb_connect_event(void) |
57 | { | 63 | { |
58 | /* Read the immediate state of the cable from the PMIC */ | 64 | /* Read the immediate state of the cable from the PMIC */ |
59 | int status = (mc13783_read(MC13783_INTERRUPT_SENSE0) & MC13783_USB4V4S) | 65 | int status = usb_plugged() ? USB_INSERTED : USB_EXTRACTED; |
60 | ? USB_INSERTED : USB_EXTRACTED; | ||
61 | usb_status = status; | 66 | usb_status = status; |
62 | /* Notify power that USB charging is potentially available */ | 67 | /* Notify power that USB charging is potentially available */ |
63 | charger_usb_detect_event(status); | 68 | charger_usb_detect_event(status); |