This patch fix the following issues. - Flag for bq27742 is 2 bytes contracy to 1 byte for older hardware - Don't read FLAG_CI as bq27742 does not have it - Use Battery full capacity register as last measure discharge
Signed-off-by: Puthikorn Voravootivat <[email protected]> Reviewed-by: Benson Leung <[email protected]> --- The incremental patch of [PATCH v2] bq27x00_battery: Add support to bq27742 Sorry, I didn't see that the old patch was already applied. drivers/power/bq27x00_battery.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c index 5b9f0ea..e3bacfe 100644 --- a/drivers/power/bq27x00_battery.c +++ b/drivers/power/bq27x00_battery.c @@ -254,9 +254,11 @@ static inline int bq27x00_battery_read_nac(struct bq27x00_device_info *di) { int flags; bool is_bq27500 = di->chip == BQ27500; + bool is_bq27742 = di->chip == BQ27742; bool is_higher = bq27xxx_is_chip_version_higher(di); + bool flags_1b = !(is_bq27500 || is_bq27742); - flags = bq27x00_read(di, BQ27x00_REG_FLAGS, !is_bq27500); + flags = bq27x00_read(di, BQ27x00_REG_FLAGS, flags_1b); if (flags >= 0 && !is_higher && (flags & BQ27000_FLAG_CI)) return -ENODATA; @@ -436,13 +438,14 @@ static void bq27x00_update(struct bq27x00_device_info *di) bool is_bq27500 = di->chip == BQ27500; bool is_bq27425 = di->chip == BQ27425; bool is_bq27742 = di->chip == BQ27742; + bool flags_1b = !(is_bq27500 || is_bq27742); - cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, !is_bq27500); + cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, flags_1b); if ((cache.flags & 0xff) == 0xff) /* read error */ cache.flags = -1; if (cache.flags >= 0) { - if (!is_bq27500 && !is_bq27425 + if (!is_bq27500 && !is_bq27425 && !is_bq27742 && (cache.flags & BQ27000_FLAG_CI)) { dev_info(di->dev, "battery is not calibrated! ignoring capacity values\n"); cache.capacity = -ENODATA; @@ -470,9 +473,7 @@ static void bq27x00_update(struct bq27x00_device_info *di) bq27x00_battery_read_time(di, BQ27x00_REG_TTF); } - if (!is_bq27742) - cache.charge_full = - bq27x00_battery_read_lmd(di); + cache.charge_full = bq27x00_battery_read_lmd(di); cache.health = bq27x00_battery_read_health(di); } cache.temperature = bq27x00_battery_read_temperature(di); -- 2.1.0.rc2.206.gedb03e5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
