diff options
| -rw-r--r-- | drivers/power/pcf50633-charger.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/power/pcf50633-charger.c b/drivers/power/pcf50633-charger.c index d20a7178329..92cbd25033c 100644 --- a/drivers/power/pcf50633-charger.c +++ b/drivers/power/pcf50633-charger.c @@ -48,7 +48,7 @@ int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma) u8 bits; int charging_start = 1; u8 mbcs2, chgmod; - u8 mbcc5; + unsigned int mbcc5; if (ma >= 1000) { bits = PCF50633_MBCC7_USB_1000mA; @@ -76,7 +76,7 @@ int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma) * We limit the charging current to be the USB current limit. * The reason is that on pcf50633, when it enters PMU Standby mode, * which it does when the device goes "off", the USB current limit - * reverts to the variant default. It at least one common case, that + * reverts to the variant default. In at least one common case, that * default is 500mA. By setting the charging current to be the same * as the USB limit we set here before PMU standby, we enforce it only * using the correct amount of current even when the USB current limit @@ -84,6 +84,8 @@ int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma) */ mbcc5 = (ma << 8) / mbc->pcf->pdata->chg_ref_current_ma; + if (mbcc5 > 255) + mbcc5 = 255; pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5); mbcs2 = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2); @@ -192,7 +194,7 @@ static ssize_t set_chglim(struct device *dev, { struct pcf50633_mbc *mbc = dev_get_drvdata(dev); unsigned long ma; - u8 mbcc5; + unsigned int mbcc5; int ret; ret = strict_strtoul(buf, 10, &ma); @@ -200,6 +202,8 @@ static ssize_t set_chglim(struct device *dev, return -EINVAL; mbcc5 = (ma << 8) / mbc->pcf->pdata->chg_ref_current_ma; + if (mbcc5 > 255) + mbcc5 = 255; pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5); return count; |