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Searched refs:brightness_mode (Results 1 – 2 of 2) sorted by relevance

/Linux-v4.19/drivers/platform/x86/
Dthinkpad_acpi.c6595 static enum tpacpi_brightness_access_mode brightness_mode = variable
6621 if (brightness_mode != TPACPI_BRGHT_MODE_ECNVRAM) in tpacpi_brightness_checkpoint_nvram()
6660 switch (brightness_mode) { in tpacpi_brightness_get_raw()
6730 switch (brightness_mode) { in brightness_set()
6957 if (brightness_mode > TPACPI_BRGHT_MODE_MAX) in brightness_init()
6961 if (brightness_mode == TPACPI_BRGHT_MODE_AUTO || in brightness_init()
6962 brightness_mode == TPACPI_BRGHT_MODE_MAX) { in brightness_init()
6964 brightness_mode = TPACPI_BRGHT_MODE_ECNVRAM; in brightness_init()
6966 brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP; in brightness_init()
6970 brightness_mode); in brightness_init()
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/Linux-v4.19/Documentation/laptops/
Dthinkpad-acpi.txt961 used, use the brightness_mode module parameter: brightness_mode=1 selects
962 EC mode, brightness_mode=2 selects UCMS mode, brightness_mode=3 selects EC
970 Lenovo ThinkPads only support brightness_mode=2 (UCMS).