diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1209-add-pcf50633-allow-force-charger-type.patch.patch')
| -rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1209-add-pcf50633-allow-force-charger-type.patch.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1209-add-pcf50633-allow-force-charger-type.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1209-add-pcf50633-allow-force-charger-type.patch.patch deleted file mode 100755 index 0abfd0a871..0000000000 --- a/target/linux/s3c24xx/patches-2.6.26/1209-add-pcf50633-allow-force-charger-type.patch.patch +++ /dev/null @@ -1,69 +0,0 @@ -From a671530397303f2a65c503e9670b5e32e867ffcf Mon Sep 17 00:00:00 2001 -From: Andy Green <andy@openmoko.com> -Date: Fri, 25 Jul 2008 23:06:19 +0100 -Subject: [PATCH] add-pcf50633-allow-force-charger-type.patch - -This patch adds a sysfs node: - -/sys/class/i2c-adapter/i2c-0/0-0073/force_usb_limit_dangerous - -it allows to force the charging limit regardless of the one chosen -by pcf50633 kernel driver. As such, if you write a charging limit -here that is not suitable for the power source, and the power source -is not current limited on its side, it could draw more current than -your power source can handle, burn down you house, etc. - -If you're certain that your power supply can handle it, you can use -this on your own responsibility to make the amount drawn by the -PMU match what you believed your power supply could handle. - -Example usage, in case where you have a dumb 500mA USB charger that -does not have the ID resistor: - -# cat /sys/class/i2c-adapter/i2c-0/0-0073/charger_type -host/500mA usb mode 100mA <=== dumb charger does not ennumerate us -# echo 500 > /sys/class/i2c-adapter/i2c-0/0-0073/force_usb_limit_dangerous -# cat /sys/class/i2c-adapter/i2c-0/0-0073/charger_type -host/500mA usb mode 500mA - -Signed-off-by: Andy Green <andy@openmoko.com> ---- - drivers/i2c/chips/pcf50633.c | 15 +++++++++++++++ - 1 files changed, 15 insertions(+), 0 deletions(-) - -diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c -index 352b54a..1074b94 100644 ---- a/drivers/i2c/chips/pcf50633.c -+++ b/drivers/i2c/chips/pcf50633.c -@@ -1946,6 +1946,20 @@ static ssize_t show_charger_type(struct device *dev, - - static DEVICE_ATTR(charger_type, 0444, show_charger_type, NULL); - -+static ssize_t force_usb_limit_dangerous(struct device *dev, -+ struct device_attribute *attr, const char *buf, size_t count) -+{ -+ struct i2c_client *client = to_i2c_client(dev); -+ struct pcf50633_data *pcf = i2c_get_clientdata(client); -+ int ma = simple_strtoul(buf, NULL, 10); -+ -+ pcf50633_usb_curlim_set(pcf, ma); -+ return count; -+} -+ -+static DEVICE_ATTR(force_usb_limit_dangerous, 0600, -+ NULL, force_usb_limit_dangerous); -+ - /* - * Charger adc - */ -@@ -2023,6 +2037,7 @@ static struct attribute *pcf_sysfs_entries[] = { - &dev_attr_voltage_ldo6.attr, - &dev_attr_voltage_hcldo.attr, - &dev_attr_charger_type.attr, -+ &dev_attr_force_usb_limit_dangerous.attr, - &dev_attr_charger_adc.attr, - &dev_attr_dump_regs.attr, - NULL, /* going to add things at this point! */ --- -1.5.6.3 - |