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Fix polarity of radio-disable GPIOs

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

BUG=chrome-os-partner:8932
TEST=manual

1) gpioget with system off -> ENABLE_WLAN = 0, RADIO_ENABLE_* = 0
2) gpioget with system on -> ENABLE_WLAN = 1, RADIO_ENABLE_* = 1

Change-Id: I397a195b4539083c622b85d63703c334cae931fb
This commit is contained in:
Randall Spangler
2012-05-09 16:07:26 -07:00
parent d8872b6cb7
commit 33422ee341
3 changed files with 8 additions and 4 deletions
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4
board/link/board.c
View File

@@ -100,8 +100,8 @@ const struct gpio_info gpio_list[GPIO_COUNT] = {
{"PCH_SMIn", LM4_GPIO_F, (1<<4), GPIO_OUT_HIGH, NULL},
{"PCH_SRTCRSTn", LM4_GPIO_C, (1<<7), GPIO_OUT_HIGH, NULL},
{"PCH_SUSACKn", LM4_GPIO_F, (1<<3), GPIO_OUT_HIGH, NULL},
{"RADIO_DISABLE_WLAN", LM4_GPIO_D, (1<<0), GPIO_OUT_LOW, NULL},
{"RADIO_DISABLE_BT", LM4_GPIO_D, (1<<1), GPIO_OUT_LOW, NULL},
{"RADIO_ENABLE_WLAN", LM4_GPIO_D, (1<<0), GPIO_OUT_LOW, NULL},
{"RADIO_ENABLE_BT", LM4_GPIO_D, (1<<1), GPIO_OUT_LOW, NULL},
{"TOUCHSCREEN_RESETn", LM4_GPIO_B, (1<<0), GPIO_OUT_LOW, NULL},
{"USB1_CTL1", LM4_GPIO_E, (1<<2), GPIO_OUT_LOW, NULL},
{"USB1_CTL2", LM4_GPIO_E, (1<<3), GPIO_OUT_LOW, NULL},

4
board/link/board.h
View File

@@ -166,8 +166,8 @@ enum gpio_signal {
GPIO_PCH_SMIn, /* System management interrupt to PCH */
GPIO_PCH_SRTCRSTn, /* Reset PCH ME RTC well */
GPIO_PCH_SUSACKn, /* Acknowledge PCH SUSWARN# signal */
GPIO_RADIO_DISABLE_WLAN, /* Disable WLAN radio */
GPIO_RADIO_DISABLE_BT, /* Disable bluetooth radio */
GPIO_RADIO_ENABLE_WLAN, /* Enable WLAN radio */
GPIO_RADIO_ENABLE_BT, /* Enable bluetooth radio */
GPIO_TOUCHSCREEN_RESETn, /* Reset touch screen (Proto1+) */
GPIO_USB1_CTL1, /* USB charger port 1 CTL1 output */
GPIO_USB1_CTL2, /* USB charger port 1 CTL2 output */

4
common/x86_power.c
View File

@@ -367,6 +367,8 @@ void x86_power_task(void)
/* Enable WLAN */
gpio_set_level(GPIO_ENABLE_WLAN, 1);
gpio_set_level(GPIO_RADIO_ENABLE_WLAN, 1);
gpio_set_level(GPIO_RADIO_ENABLE_BT, 1);
/* Enable fan, now that +5VS is turned on */
/* TODO: On proto1+, fan is on +5VALW, so we can leave
@@ -413,6 +415,8 @@ void x86_power_task(void)
/* Disable WLAN */
gpio_set_level(GPIO_ENABLE_WLAN, 0);
gpio_set_level(GPIO_RADIO_ENABLE_WLAN, 0);
gpio_set_level(GPIO_RADIO_ENABLE_BT, 0);
/* Turn off power rails */
gpio_set_level(GPIO_ENABLE_VS, 0);