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Change order of reads and writes for uw keyb backlight

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Christoffer Sandberg 2020-07-30 10:20:56 +02:00 committed by test
parent f1ffca50c4
commit 17595676b5
1 changed files with 14 additions and 3 deletions
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17
src/uniwill_keyboard.h
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@ -135,6 +135,7 @@ static struct notifier_block keyboard_notifier_block = {
static void write_keyb_rgb(u8 red, u8 green, u8 blue)
{
union uw_ec_read_return reg_read_return;
u8 high_byte_red_reg, high_byte_green_reg, high_byte_blue_reg;
union uw_ec_write_return reg_write_return;
u32 (*__uniwill_wmi_ec_read)(u8, u8, union uw_ec_read_return *);
@ -144,12 +145,22 @@ static void write_keyb_rgb(u8 red, u8 green, u8 blue)
__uniwill_wmi_ec_write = symbol_get(uniwill_wmi_ec_write);
if (__uniwill_wmi_ec_read && __uniwill_wmi_ec_write) {
// Read high bytes to put the same values back
__uniwill_wmi_ec_read(0x03, 0x18, &reg_read_return);
__uniwill_wmi_ec_write(0x03, 0x18, red, reg_read_return.bytes.data_high, &reg_write_return);
high_byte_red_reg = reg_read_return.bytes.data_high;
__uniwill_wmi_ec_read(0x05, 0x18, &reg_read_return);
__uniwill_wmi_ec_write(0x05, 0x18, green, reg_read_return.bytes.data_high, &reg_write_return);
high_byte_green_reg = reg_read_return.bytes.data_high;
__uniwill_wmi_ec_read(0x08, 0x18, &reg_read_return);
__uniwill_wmi_ec_write(0x08, 0x18, blue, reg_read_return.bytes.data_high, &reg_write_return);
high_byte_blue_reg = reg_read_return.bytes.data_high;
// Write the colors
// Note: Writing is done separately because of less delay than by reading
// thereby making the transition smoother
//__uniwill_wmi_ec_write(0x01, 0x18, 0x01, 0x00, &reg_write_return);
__uniwill_wmi_ec_write(0x03, 0x18, red, high_byte_red_reg, &reg_write_return);
__uniwill_wmi_ec_write(0x05, 0x18, green, high_byte_green_reg, &reg_write_return);
__uniwill_wmi_ec_write(0x08, 0x18, blue, high_byte_blue_reg, &reg_write_return);
//__uniwill_wmi_ec_write(0x01, 0x18, 0xc8, 0x00, &reg_write_return);
} else {
TUXEDO_DEBUG("tuxedo-cc-wmi symbols not found\n");
}