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author | Amaury Pouly <amaury.pouly@gmail.com> | 2017-08-27 15:55:01 +0200 |
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committer | Amaury Pouly <amaury.pouly@gmail.com> | 2017-08-27 17:48:39 +0200 |
commit | 5d2d747247b6ff6b4a82b5674f05c47a838c499b (patch) | |
tree | 21ff0a5284732d8e6c4516008fa6bfff28102f5b /firmware | |
parent | 7ce764cdc3fc8ce40c81097ca61602cfc61885f5 (diff) | |
download | rockbox-5d2d747247b6ff6b4a82b5674f05c47a838c499b.tar.gz rockbox-5d2d747247b6ff6b4a82b5674f05c47a838c499b.zip |
imx233: update comment about vbusvalid
Change-Id: Ice1ece716657fa7f78f69736e5e733e1b7f67b59
Diffstat (limited to 'firmware')
-rw-r--r-- | firmware/target/arm/imx233/power-imx233.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/firmware/target/arm/imx233/power-imx233.c b/firmware/target/arm/imx233/power-imx233.c index 9b9c13573a..040b44cbf2 100644 --- a/firmware/target/arm/imx233/power-imx233.c +++ b/firmware/target/arm/imx233/power-imx233.c @@ -129,8 +129,9 @@ static struct current_step_bit_t g_4p2_charge_limit_bits[] = * Since we didn't encounter this problem, we never lock VBUSVALID * * WARNING - * Using VBUSVALID irq on STMP3700 seems broken, once the irq is fired, - * it cannot be acked. Currently fallback to the VDD5V>VDDIO method. + * Using VBUSVALID IRQ is broken on STMP3700 (see errata). The IRQ cannot be + * cleared. Currently fallback to the VDD5V>VDDIO method even though it's less + * reliable (we could use polling too). */ #if IMX233_SUBTARGET >= 3780 #define USE_VBUSVALID |