Added HOOK_INIT for driver module inits

This covers modules which need to initialize before task_start(), but
don't particularly care in what order they're initialized.

Signed-off-by: Randall Spangler <rspangler@chromium.org>

BUG=none
TEST=if it boots, it works

Change-Id: I69829aac8d1c3c14ee04916a794b84bbf03a09eb

1 files changed, 8 insertions, 1 deletions

diff --git a/chip/lm4/adc.c b/chip/lm4/adc.c
index eb09235351..18f8dbe3a7 100644
--- a/chip/lm4/adc.c
+++ b/chip/lm4/adc.c
@@ -8,6 +8,7 @@
 #include "adc.h"
 #include "console.h"
 #include "gpio.h"
+#include "hooks.h"
 #include "lm4_adc.h"
 #include "registers.h"
 #include "task.h"
@@ -47,6 +48,7 @@ const uint32_t ain_port[24][2] = {
 	{LM4_GPIO_N, (1<<0)},
 };
 
+
 static void configure_gpio(void)
 {
 	int i;
@@ -66,6 +68,7 @@ static void configure_gpio(void)
 	}
 }
 
+
 int lm4_adc_flush_and_read(enum lm4_adc_sequencer seq)
 {
 	/* TODO: right now we have only a single channel so this is
@@ -107,6 +110,7 @@ int lm4_adc_flush_and_read(enum lm4_adc_sequencer seq)
 	return LM4_ADC_SSFIFO(seq);
 }
 
+
 int lm4_adc_configure(enum lm4_adc_sequencer seq,
 		      int ain_id,
 		      int ssctl)
@@ -133,6 +137,7 @@ int lm4_adc_configure(enum lm4_adc_sequencer seq,
 	return EC_SUCCESS;
 }
 
+
 int adc_read_channel(enum adc_channel ch)
 {
 	const struct adc_t *adc = adc_channels + ch;
@@ -181,6 +186,7 @@ static int command_ectemp(int argc, char **argv)
 }
 DECLARE_CONSOLE_COMMAND(ectemp, command_ectemp);
 
+
 static int command_adc(int argc, char **argv)
 {
 	int i;
@@ -197,7 +203,7 @@ DECLARE_CONSOLE_COMMAND(adc, command_adc);
 /*****************************************************************************/
 /* Initialization */
 
-int adc_init(void)
+static int adc_init(void)
 {
 	int i;
 	const struct adc_t *adc;
@@ -231,3 +237,4 @@ int adc_init(void)
 
 	return EC_SUCCESS;
 }
+DECLARE_HOOK(HOOK_INIT, adc_init, HOOK_PRIO_DEFAULT);