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path: root/drivers/led/issi/is31fl3741.c
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Diffstat (limited to 'drivers/led/issi/is31fl3741.c')
-rw-r--r--drivers/led/issi/is31fl3741.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/led/issi/is31fl3741.c b/drivers/led/issi/is31fl3741.c
index c2cdd4c46f..2f43473fc1 100644
--- a/drivers/led/issi/is31fl3741.c
+++ b/drivers/led/issi/is31fl3741.c
@@ -104,13 +104,11 @@ void IS31FL3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
}
bool IS31FL3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
- // unlock the command register and select PG2
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM0);
+ // Assume PG0 is already selected
for (int i = 0; i < 342; i += 18) {
if (i == 180) {
- // unlock the command register and select PG2
+ // unlock the command register and select PG1
IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM1);
}
@@ -222,6 +220,10 @@ void IS31FL3741_set_led_control_register(uint8_t index, bool red, bool green, bo
void IS31FL3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
+ // unlock the command register and select PG2
+ IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM0);
+
IS31FL3741_write_pwm_buffer(addr, g_pwm_buffer[index]);
}
@@ -244,7 +246,7 @@ void IS31FL3741_update_led_control_registers(uint8_t addr, uint8_t index) {
// CS1_SW1 to CS30_SW6 are on PG2
for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
- IS31FL3741_write_register(addr, i, g_scaling_registers[0][i]);
+ IS31FL3741_write_register(addr, i, g_scaling_registers[index][i]);
}
// unlock the command register and select PG3
@@ -253,7 +255,7 @@ void IS31FL3741_update_led_control_registers(uint8_t addr, uint8_t index) {
// CS1_SW7 to CS39_SW9 are on PG3
for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
- IS31FL3741_write_register(addr, i - CS1_SW7, g_scaling_registers[0][i]);
+ IS31FL3741_write_register(addr, i - CS1_SW7, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;