leds: qpnp-flash-v2: Change minimum current configuration
Change minimum current configuration from hard coded value to
based on current resolution step.
CRs-Fixed: 2014773
Change-Id: I69d6f2af032495a263d3d41a0569efe0acf0ce72
Signed-off-by: Ankit Sharma <ansharma@codeaurora.org>
diff --git a/drivers/leds/leds-qpnp-flash-v2.c b/drivers/leds/leds-qpnp-flash-v2.c
index fdc4b30..7b83ebe 100644
--- a/drivers/leds/leds-qpnp-flash-v2.c
+++ b/drivers/leds/leds-qpnp-flash-v2.c
@@ -152,7 +152,6 @@
#define FLASH_LED_MOD_ENABLE BIT(7)
#define FLASH_LED_DISABLE 0x00
#define FLASH_LED_SAFETY_TMR_DISABLED 0x13
-#define FLASH_LED_MIN_CURRENT_MA 25
#define FLASH_LED_MAX_TOTAL_CURRENT_MA 3750
/* notifier call chain for flash-led irqs */
@@ -880,11 +879,12 @@
static void qpnp_flash_led_node_set(struct flash_node_data *fnode, int value)
{
int prgm_current_ma = value;
+ int min_ma = fnode->ires_ua / 1000;
if (value <= 0)
prgm_current_ma = 0;
- else if (value < FLASH_LED_MIN_CURRENT_MA)
- prgm_current_ma = FLASH_LED_MIN_CURRENT_MA;
+ else if (value < min_ma)
+ prgm_current_ma = min_ma;
prgm_current_ma = min(prgm_current_ma, fnode->max_current);
fnode->current_ma = prgm_current_ma;
@@ -1336,7 +1336,7 @@
struct flash_node_data *fnode, struct device_node *node)
{
const char *temp_string;
- int rc;
+ int rc, min_ma;
u32 val;
bool strobe_sel = 0, edge_trigger = 0, active_high = 0;
@@ -1392,10 +1392,11 @@
return rc;
}
+ min_ma = fnode->ires_ua / 1000;
rc = of_property_read_u32(node, "qcom,max-current", &val);
if (!rc) {
- if (val < FLASH_LED_MIN_CURRENT_MA)
- val = FLASH_LED_MIN_CURRENT_MA;
+ if (val < min_ma)
+ val = min_ma;
fnode->max_current = val;
fnode->cdev.max_brightness = val;
} else {
@@ -1405,11 +1406,10 @@
rc = of_property_read_u32(node, "qcom,current-ma", &val);
if (!rc) {
- if (val < FLASH_LED_MIN_CURRENT_MA ||
- val > fnode->max_current)
+ if (val < min_ma || val > fnode->max_current)
pr_warn("Invalid operational current specified, capping it\n");
- if (val < FLASH_LED_MIN_CURRENT_MA)
- val = FLASH_LED_MIN_CURRENT_MA;
+ if (val < min_ma)
+ val = min_ma;
if (val > fnode->max_current)
val = fnode->max_current;
fnode->current_ma = val;