1 files changed, 0 insertions, 86 deletions
diff --git a/driver/led/lm3630a.c b/driver/led/lm3630a.c
deleted file mode 100644
index a2c4aaa74c..0000000000
--- a/driver/led/lm3630a.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* Copyright 2018 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * TI LM3630A LED driver.
- */
-
-#include "hooks.h"
-#include "i2c.h"
-#include "lm3630a.h"
-#include "timer.h"
-
-
-/* I2C address */
-#define LM3630A_I2C_ADDR_FLAGS 0x36
-
-static inline int lm3630a_write(uint8_t reg, uint8_t val)
-{
-	return i2c_write8(I2C_PORT_KBLIGHT, LM3630A_I2C_ADDR_FLAGS,
-			  reg, val);
-}
-
-static inline int lm3630a_read(uint8_t reg, int *val)
-{
-	return i2c_read8(I2C_PORT_KBLIGHT, LM3630A_I2C_ADDR_FLAGS,
-			 reg, val);
-}
-
-static void deferred_lm3630a_poweron(void)
-{
-	/*
-	 * Set full brightness so that PWM will control. This needs to happen
-	 * after setting the control register, because enabling the banks
-	 * resets the value to 0.
-	 */
-	lm3630a_write(LM3630A_REG_A_BRIGHTNESS, 0xff);
-}
-DECLARE_DEFERRED(deferred_lm3630a_poweron);
-
-int lm3630a_poweron(void)
-{
-	int ret = 0;
-
-	/*
-	 * LM3630A will NAK I2C transactions for 1ms (tWAIT in the datasheet)
-	 * after HWEN asserted or after SW reset.
-	 */
-	msleep(1);
-
-	/* Sample PWM every 8 periods. */
-	ret |= lm3630a_write(LM3630A_REG_FILTER_STRENGTH, 0x3);
-
-	/* Enable feedback and PWM for banks A. */
-	ret |= lm3630a_write(LM3630A_REG_CONFIG,
-				LM3630A_CFG_BIT_FB_EN_A |
-				LM3630A_CFG_BIT_PWM_EN_A);
-
-	/* 24V, 800mA overcurrent protection, 500kHz boost frequency. */
-	ret |= lm3630a_write(LM3630A_REG_BOOST_CONTROL,
-				LM3630A_BOOST_OVP_24V |
-				LM3630A_BOOST_OCP_800MA |
-				LM3630A_FMODE_500KHZ);
-
-	/* Limit current to 24.5mA */
-	ret |= lm3630a_write(LM3630A_REG_A_CURRENT, 0x1a);
-
-	/* Enable bank A, put in linear mode, and connect LED2 to bank A. */
-	ret |= lm3630a_write(LM3630A_REG_CONTROL,
-				LM3630A_CTRL_BIT_LINEAR_A |
-				LM3630A_CTRL_BIT_LED_EN_A |
-				LM3630A_CTRL_BIT_LED2_ON_A);
-
-	/*
-	 * Only set the brightness after ~100 ms. Without this, LED may blink
-	 * for a short duration, as the PWM sampler sometimes appears to be
-	 * confused, and slowly dim from a large initial PWM input value.
-	 */
-	hook_call_deferred(&deferred_lm3630a_poweron_data, 100 * MSEC);
-
-	return ret;
-}
-
-int lm3630a_poweroff(void)
-{
-	return lm3630a_write(LM3630A_REG_CONTROL, LM3630A_CTRL_BIT_SLEEP_CMD);
-}