aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/leds/rgb/leds-qcom-lpg.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/leds/rgb/leds-qcom-lpg.c31
1 files changed, 25 insertions, 6 deletions
diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c
index 55a037234df1..59581b3e25ca 100644
--- a/drivers/leds/rgb/leds-qcom-lpg.c
+++ b/drivers/leds/rgb/leds-qcom-lpg.c
@@ -312,14 +312,14 @@ static int lpg_calc_freq(struct lpg_channel *chan, uint64_t period)
max_res = LPG_RESOLUTION_9BIT;
}
- min_period = (u64)NSEC_PER_SEC *
- div64_u64((1 << pwm_resolution_arr[0]), clk_rate_arr[clk_len - 1]);
+ min_period = div64_u64((u64)NSEC_PER_SEC * (1 << pwm_resolution_arr[0]),
+ clk_rate_arr[clk_len - 1]);
if (period <= min_period)
return -EINVAL;
/* Limit period to largest possible value, to avoid overflows */
- max_period = (u64)NSEC_PER_SEC * max_res * LPG_MAX_PREDIV *
- div64_u64((1 << LPG_MAX_M), 1024);
+ max_period = div64_u64((u64)NSEC_PER_SEC * max_res * LPG_MAX_PREDIV * (1 << LPG_MAX_M),
+ 1024);
if (period > max_period)
period = max_period;
@@ -1173,8 +1173,10 @@ static int lpg_add_led(struct lpg *lpg, struct device_node *np)
i = 0;
for_each_available_child_of_node(np, child) {
ret = lpg_parse_channel(lpg, child, &led->channels[i]);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(child);
return ret;
+ }
info[i].color_index = led->channels[i]->color;
info[i].intensity = 0;
@@ -1352,8 +1354,10 @@ static int lpg_probe(struct platform_device *pdev)
for_each_available_child_of_node(pdev->dev.of_node, np) {
ret = lpg_add_led(lpg, np);
- if (ret)
+ if (ret) {
+ of_node_put(np);
return ret;
+ }
}
for (i = 0; i < lpg->num_channels; i++)
@@ -1414,6 +1418,20 @@ static const struct lpg_data pm8994_lpg_data = {
},
};
+/* PMI632 uses SDAM instead of LUT for pattern */
+static const struct lpg_data pmi632_lpg_data = {
+ .triled_base = 0xd000,
+
+ .num_channels = 5,
+ .channels = (const struct lpg_channel_data[]) {
+ { .base = 0xb300, .triled_mask = BIT(7) },
+ { .base = 0xb400, .triled_mask = BIT(6) },
+ { .base = 0xb500, .triled_mask = BIT(5) },
+ { .base = 0xb600 },
+ { .base = 0xb700 },
+ },
+};
+
static const struct lpg_data pmi8994_lpg_data = {
.lut_base = 0xb000,
.lut_size = 24,
@@ -1505,6 +1523,7 @@ static const struct of_device_id lpg_of_table[] = {
{ .compatible = "qcom,pm8916-pwm", .data = &pm8916_pwm_data },
{ .compatible = "qcom,pm8941-lpg", .data = &pm8941_lpg_data },
{ .compatible = "qcom,pm8994-lpg", .data = &pm8994_lpg_data },
+ { .compatible = "qcom,pmi632-lpg", .data = &pmi632_lpg_data },
{ .compatible = "qcom,pmi8994-lpg", .data = &pmi8994_lpg_data },
{ .compatible = "qcom,pmi8998-lpg", .data = &pmi8998_lpg_data },
{ .compatible = "qcom,pmc8180c-lpg", .data = &pm8150l_lpg_data },