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power: bcl: Add soc low threshold sysfs node to BCL driver 

Add soc low threshold sysfs node to add support for configuring
soc low threshold at runtime. It adds below sysfs node
'/sys/devices/soc.0/qcom,bcl.*/soc_low_thresh'.

Change-Id: I4debc34ddde63bc0f842384e03715bc60ddcc59a
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>
This commit is contained in:
Manaf Meethalavalappu Pallikunhi 2015-08-13 20:24:41 +05:30 committed by Gerrit - the friendly Code Review server
parent 91357ba875
commit b480143165
1 changed files with 19 additions and 0 deletions
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19
drivers/power/battery_current_limit.c
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@ -853,6 +853,7 @@ show_bcl(ibat_state, bcl_ibat_state, "%d\n")
show_bcl(hotplug_mask, bcl_hotplug_mask, "%d\n")
show_bcl(hotplug_soc_mask, bcl_soc_hotplug_mask, "%d\n")
show_bcl(hotplug_status, bcl_hotplug_request, "%d\n")
show_bcl(soc_low_thresh, soc_low_threshold, "%d\n")
static ssize_t
mode_show(struct device *dev, struct device_attribute *attr, char *buf)
@ -1207,6 +1208,23 @@ static ssize_t hotplug_soc_mask_store(struct device *dev,
return count;
}
static ssize_t soc_low_thresh_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int val = 0;
int ret = 0;
ret = convert_to_int(buf, &val);
if (ret)
return ret;
soc_low_threshold = val;
pr_info("bcl soc low threshold updated to %d\n", soc_low_threshold);
return count;
}
/*
* BCL device attributes
*/
@ -1249,6 +1267,7 @@ static struct device_attribute btm_dev_attr[] = {
__ATTR(hotplug_mask, 0644, hotplug_mask_show, hotplug_mask_store),
__ATTR(hotplug_soc_mask, 0644, hotplug_soc_mask_show,
hotplug_soc_mask_store),
__ATTR(soc_low_thresh, 0644, soc_low_thresh_show, soc_low_thresh_store),
};
static int create_bcl_sysfs(struct bcl_context *bcl)