Function prototype or declaration at include/linux/pwm.h, line 35 References: arch/arm/mach-s3c24xx/mach-rx1950.c, line 437 drivers/clk/clk-pwm.c, line 39 drivers/gpu/drm/i915/intel_panel.c, line 828 drivers/hwmon/pwm-fan.c, line 56 drivers/hwmon/pwm-fan.c, line 257 drivers/hwmon/pwm-fan.c, line 273 drivers/hwmon/pwm-fan.c, line 289 drivers/hwmon/pwm-fan.c, line 299 drivers/input/misc/max77693-haptic.c, line 188 drivers/input/misc/max77693-haptic.c, line 206 drivers/input/misc/max8997_haptic.c, line 213 drivers/input/misc/pwm-beeper.c, line 53 drivers/input/misc/pwm-beeper.c, line 138 drivers/input/misc/pwm-beeper.c, line 151 drivers/leds/leds-pwm.c, line 49 drivers/pwm/core.c, line 527 drivers/pwm/core.c, line 532 drivers/pwm/pwm-lpc18xx-sct.c, line 309 drivers/pwm/pwm-lpc32xx.c, line 157 drivers/pwm/pwm-spear.c, line 237 drivers/pwm/pwm-sti.c, line 385 drivers/pwm/sysfs.c, line 117 drivers/regulator/pwm-regulator.c, line 97 drivers/video/backlight/lm3630a_bl.c, line 172 drivers/video/backlight/lp855x_bl.c, line 255 drivers/video/backlight/lp8788_bl.c, line 154 drivers/video/backlight/pwm_bl.c, line 70 drivers/video/fbdev/ssd1307fb.c, line 687 drivers/video/fbdev/ssd1307fb.c, line 708 include/linux/pwm.h, line 35 include/linux/pwm.h, line 56