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-rw-r--r--drivers/platform/x86/asus-wmi.c35
-rw-r--r--drivers/platform/x86/intel/pmc/core.c216
-rw-r--r--include/linux/platform_data/x86/asus-wmi.h4
3 files changed, 149 insertions, 106 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 3f9b6285c9a6..26c45fd093a0 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -238,6 +238,7 @@ struct asus_wmi {
struct led_classdev lightbar_led;
int lightbar_led_wk;
struct led_classdev micmute_led;
+ struct led_classdev camera_led;
struct workqueue_struct *led_workqueue;
struct work_struct tpd_led_work;
struct work_struct wlan_led_work;
@@ -1642,6 +1643,27 @@ static int micmute_led_set(struct led_classdev *led_cdev,
return err < 0 ? err : 0;
}
+static enum led_brightness camera_led_get(struct led_classdev *led_cdev)
+{
+ struct asus_wmi *asus;
+ u32 result;
+
+ asus = container_of(led_cdev, struct asus_wmi, camera_led);
+ asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CAMERA_LED, &result);
+
+ return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
+}
+
+static int camera_led_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ int state = brightness != LED_OFF;
+ int err;
+
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_CAMERA_LED, state, NULL);
+ return err < 0 ? err : 0;
+}
+
static void asus_wmi_led_exit(struct asus_wmi *asus)
{
led_classdev_unregister(&asus->kbd_led);
@@ -1649,6 +1671,7 @@ static void asus_wmi_led_exit(struct asus_wmi *asus)
led_classdev_unregister(&asus->wlan_led);
led_classdev_unregister(&asus->lightbar_led);
led_classdev_unregister(&asus->micmute_led);
+ led_classdev_unregister(&asus->camera_led);
if (asus->led_workqueue)
destroy_workqueue(asus->led_workqueue);
@@ -1740,6 +1763,18 @@ static int asus_wmi_led_init(struct asus_wmi *asus)
goto error;
}
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CAMERA_LED)) {
+ asus->camera_led.name = "asus::camera";
+ asus->camera_led.max_brightness = 1;
+ asus->camera_led.brightness_get = camera_led_get;
+ asus->camera_led.brightness_set_blocking = camera_led_set;
+
+ rv = led_classdev_register(&asus->platform_device->dev,
+ &asus->camera_led);
+ if (rv)
+ goto error;
+ }
+
error:
if (rv)
asus_wmi_led_exit(asus);
diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c
index 65eb09c7af6a..01ae71c6df59 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -87,35 +87,26 @@ static int set_etr3(struct pmc_dev *pmcdev)
struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
const struct pmc_reg_map *map = pmc->map;
u32 reg;
- int err;
if (!map->etr3_offset)
return -EOPNOTSUPP;
- mutex_lock(&pmcdev->lock);
+ guard(mutex)(&pmcdev->lock);
/* check if CF9 is locked */
reg = pmc_core_reg_read(pmc, map->etr3_offset);
- if (reg & ETR3_CF9LOCK) {
- err = -EACCES;
- goto out_unlock;
- }
+ if (reg & ETR3_CF9LOCK)
+ return -EACCES;
/* write CF9 global reset bit */
reg |= ETR3_CF9GR;
pmc_core_reg_write(pmc, map->etr3_offset, reg);
reg = pmc_core_reg_read(pmc, map->etr3_offset);
- if (!(reg & ETR3_CF9GR)) {
- err = -EIO;
- goto out_unlock;
- }
-
- err = 0;
+ if (!(reg & ETR3_CF9GR))
+ return -EIO;
-out_unlock:
- mutex_unlock(&pmcdev->lock);
- return err;
+ return 0;
}
static umode_t etr3_is_visible(struct kobject *kobj,
struct attribute *attr,
@@ -127,9 +118,8 @@ static umode_t etr3_is_visible(struct kobject *kobj,
const struct pmc_reg_map *map = pmc->map;
u32 reg;
- mutex_lock(&pmcdev->lock);
- reg = pmc_core_reg_read(pmc, map->etr3_offset);
- mutex_unlock(&pmcdev->lock);
+ scoped_guard(mutex, &pmcdev->lock)
+ reg = pmc_core_reg_read(pmc, map->etr3_offset);
return reg & ETR3_CF9LOCK ? attr->mode & (SYSFS_PREALLOC | 0444) : attr->mode;
}
@@ -145,12 +135,10 @@ static ssize_t etr3_show(struct device *dev,
if (!map->etr3_offset)
return -EOPNOTSUPP;
- mutex_lock(&pmcdev->lock);
-
- reg = pmc_core_reg_read(pmc, map->etr3_offset);
- reg &= ETR3_CF9GR | ETR3_CF9LOCK;
-
- mutex_unlock(&pmcdev->lock);
+ scoped_guard(mutex, &pmcdev->lock) {
+ reg = pmc_core_reg_read(pmc, map->etr3_offset);
+ reg &= ETR3_CF9GR | ETR3_CF9LOCK;
+ }
return sysfs_emit(buf, "0x%08x", reg);
}
@@ -257,9 +245,9 @@ static void pmc_core_slps0_display(struct pmc *pmc, struct device *dev,
}
}
-static int pmc_core_lpm_get_arr_size(const struct pmc_bit_map **maps)
+static unsigned int pmc_core_lpm_get_arr_size(const struct pmc_bit_map **maps)
{
- int idx;
+ unsigned int idx;
for (idx = 0; maps[idx]; idx++)
;/* Nothing */
@@ -272,8 +260,8 @@ static void pmc_core_lpm_display(struct pmc *pmc, struct device *dev,
const char *str,
const struct pmc_bit_map **maps)
{
- int index, idx, len = 32, bit_mask, arr_size;
- u32 *lpm_regs;
+ unsigned int index, idx, len = 32, arr_size;
+ u32 bit_mask, *lpm_regs;
arr_size = pmc_core_lpm_get_arr_size(maps);
lpm_regs = kmalloc_array(arr_size, sizeof(*lpm_regs), GFP_KERNEL);
@@ -326,13 +314,13 @@ static void pmc_core_display_map(struct seq_file *s, int index, int idx, int ip,
static int pmc_core_ppfear_show(struct seq_file *s, void *unused)
{
struct pmc_dev *pmcdev = s->private;
- int i;
+ unsigned int i;
for (i = 0; i < ARRAY_SIZE(pmcdev->pmcs); ++i) {
struct pmc *pmc = pmcdev->pmcs[i];
const struct pmc_bit_map **maps;
u8 pf_regs[PPFEAR_MAX_NUM_ENTRIES];
- int index, iter, idx, ip = 0;
+ unsigned int index, iter, idx, ip = 0;
if (!pmc)
continue;
@@ -391,7 +379,8 @@ static int pmc_core_mphy_pg_show(struct seq_file *s, void *unused)
const struct pmc_bit_map *map = pmc->map->mphy_sts;
u32 mphy_core_reg_low, mphy_core_reg_high;
u32 val_low, val_high;
- int index, err = 0;
+ unsigned int index;
+ int err = 0;
if (pmcdev->pmc_xram_read_bit) {
seq_puts(s, "Access denied: please disable PMC_READ_DISABLE setting in BIOS.");
@@ -401,20 +390,18 @@ static int pmc_core_mphy_pg_show(struct seq_file *s, void *unused)
mphy_core_reg_low = (SPT_PMC_MPHY_CORE_STS_0 << 16);
mphy_core_reg_high = (SPT_PMC_MPHY_CORE_STS_1 << 16);
- mutex_lock(&pmcdev->lock);
+ guard(mutex)(&pmcdev->lock);
- if (pmc_core_send_msg(pmc, &mphy_core_reg_low) != 0) {
- err = -EBUSY;
- goto out_unlock;
- }
+ err = pmc_core_send_msg(pmc, &mphy_core_reg_low);
+ if (err)
+ return err;
msleep(10);
val_low = pmc_core_reg_read(pmc, SPT_PMC_MFPMC_OFFSET);
- if (pmc_core_send_msg(pmc, &mphy_core_reg_high) != 0) {
- err = -EBUSY;
- goto out_unlock;
- }
+ err = pmc_core_send_msg(pmc, &mphy_core_reg_high);
+ if (err)
+ return err;
msleep(10);
val_high = pmc_core_reg_read(pmc, SPT_PMC_MFPMC_OFFSET);
@@ -433,9 +420,7 @@ static int pmc_core_mphy_pg_show(struct seq_file *s, void *unused)
"Power gated");
}
-out_unlock:
- mutex_unlock(&pmcdev->lock);
- return err;
+ return 0;
}
DEFINE_SHOW_ATTRIBUTE(pmc_core_mphy_pg);
@@ -445,7 +430,8 @@ static int pmc_core_pll_show(struct seq_file *s, void *unused)
struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
const struct pmc_bit_map *map = pmc->map->pll_sts;
u32 mphy_common_reg, val;
- int index, err = 0;
+ unsigned int index;
+ int err = 0;
if (pmcdev->pmc_xram_read_bit) {
seq_puts(s, "Access denied: please disable PMC_READ_DISABLE setting in BIOS.");
@@ -453,12 +439,11 @@ static int pmc_core_pll_show(struct seq_file *s, void *unused)
}
mphy_common_reg = (SPT_PMC_MPHY_COM_STS_0 << 16);
- mutex_lock(&pmcdev->lock);
+ guard(mutex)(&pmcdev->lock);
- if (pmc_core_send_msg(pmc, &mphy_common_reg) != 0) {
- err = -EBUSY;
- goto out_unlock;
- }
+ err = pmc_core_send_msg(pmc, &mphy_common_reg);
+ if (err)
+ return err;
/* Observed PMC HW response latency for MTPMC-MFPMC is ~10 ms */
msleep(10);
@@ -470,9 +455,7 @@ static int pmc_core_pll_show(struct seq_file *s, void *unused)
map[index].bit_mask & val ? "Active" : "Idle");
}
-out_unlock:
- mutex_unlock(&pmcdev->lock);
- return err;
+ return 0;
}
DEFINE_SHOW_ATTRIBUTE(pmc_core_pll);
@@ -481,7 +464,8 @@ int pmc_core_send_ltr_ignore(struct pmc_dev *pmcdev, u32 value, int ignore)
struct pmc *pmc;
const struct pmc_reg_map *map;
u32 reg;
- int pmc_index, ltr_index;
+ unsigned int pmc_index;
+ int ltr_index;
ltr_index = value;
/* For platforms with multiple pmcs, ltr index value given by user
@@ -511,7 +495,7 @@ int pmc_core_send_ltr_ignore(struct pmc_dev *pmcdev, u32 value, int ignore)
pr_debug("ltr_ignore for pmc%d: ltr_index:%d\n", pmc_index, ltr_index);
- mutex_lock(&pmcdev->lock);
+ guard(mutex)(&pmcdev->lock);
reg = pmc_core_reg_read(pmc, map->ltr_ignore_offset);
if (ignore)
@@ -520,48 +504,56 @@ int pmc_core_send_ltr_ignore(struct pmc_dev *pmcdev, u32 value, int ignore)
reg &= ~BIT(ltr_index);
pmc_core_reg_write(pmc, map->ltr_ignore_offset, reg);
- mutex_unlock(&pmcdev->lock);
-
return 0;
}
-static ssize_t pmc_core_ltr_ignore_write(struct file *file,
- const char __user *userbuf,
- size_t count, loff_t *ppos)
+static ssize_t pmc_core_ltr_write(struct pmc_dev *pmcdev,
+ const char __user *userbuf,
+ size_t count, int ignore)
{
- struct seq_file *s = file->private_data;
- struct pmc_dev *pmcdev = s->private;
- u32 buf_size, value;
+ u32 value;
int err;
- buf_size = min_t(u32, count, 64);
-
- err = kstrtou32_from_user(userbuf, buf_size, 10, &value);
+ err = kstrtou32_from_user(userbuf, count, 10, &value);
if (err)
return err;
- err = pmc_core_send_ltr_ignore(pmcdev, value, 1);
+ err = pmc_core_send_ltr_ignore(pmcdev, value, ignore);
+
+ return err ?: count;
+}
+
+static ssize_t pmc_core_ltr_ignore_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct seq_file *s = file->private_data;
+ struct pmc_dev *pmcdev = s->private;
- return err == 0 ? count : err;
+ return pmc_core_ltr_write(pmcdev, userbuf, count, 1);
}
static int pmc_core_ltr_ignore_show(struct seq_file *s, void *unused)
{
return 0;
}
+DEFINE_SHOW_STORE_ATTRIBUTE(pmc_core_ltr_ignore);
-static int pmc_core_ltr_ignore_open(struct inode *inode, struct file *file)
+static ssize_t pmc_core_ltr_restore_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
{
- return single_open(file, pmc_core_ltr_ignore_show, inode->i_private);
+ struct seq_file *s = file->private_data;
+ struct pmc_dev *pmcdev = s->private;
+
+ return pmc_core_ltr_write(pmcdev, userbuf, count, 0);
}
-static const struct file_operations pmc_core_ltr_ignore_ops = {
- .open = pmc_core_ltr_ignore_open,
- .read = seq_read,
- .write = pmc_core_ltr_ignore_write,
- .llseek = seq_lseek,
- .release = single_release,
-};
+static int pmc_core_ltr_restore_show(struct seq_file *s, void *unused)
+{
+ return 0;
+}
+DEFINE_SHOW_STORE_ATTRIBUTE(pmc_core_ltr_restore);
static void pmc_core_slps0_dbg_latch(struct pmc_dev *pmcdev, bool reset)
{
@@ -569,10 +561,10 @@ static void pmc_core_slps0_dbg_latch(struct pmc_dev *pmcdev, bool reset)
const struct pmc_reg_map *map = pmc->map;
u32 fd;
- mutex_lock(&pmcdev->lock);
+ guard(mutex)(&pmcdev->lock);
if (!reset && !slps0_dbg_latch)
- goto out_unlock;
+ return;
fd = pmc_core_reg_read(pmc, map->slps0_dbg_offset);
if (reset)
@@ -582,9 +574,6 @@ static void pmc_core_slps0_dbg_latch(struct pmc_dev *pmcdev, bool reset)
pmc_core_reg_write(pmc, map->slps0_dbg_offset, fd);
slps0_dbg_latch = false;
-
-out_unlock:
- mutex_unlock(&pmcdev->lock);
}
static int pmc_core_slps0_dbg_show(struct seq_file *s, void *unused)
@@ -639,17 +628,29 @@ static int pmc_core_ltr_show(struct seq_file *s, void *unused)
u64 decoded_snoop_ltr, decoded_non_snoop_ltr;
u32 ltr_raw_data, scale, val;
u16 snoop_ltr, nonsnoop_ltr;
- int i, index, ltr_index = 0;
+ unsigned int i, index, ltr_index = 0;
for (i = 0; i < ARRAY_SIZE(pmcdev->pmcs); ++i) {
- struct pmc *pmc = pmcdev->pmcs[i];
+ struct pmc *pmc;
const struct pmc_bit_map *map;
+ u32 ltr_ign_reg;
+ pmc = pmcdev->pmcs[i];
if (!pmc)
continue;
+ scoped_guard(mutex, &pmcdev->lock)
+ ltr_ign_reg = pmc_core_reg_read(pmc, pmc->map->ltr_ignore_offset);
+
map = pmc->map->ltr_show_sts;
for (index = 0; map[index].name; index++) {
+ bool ltr_ign_data;
+
+ if (index > pmc->map->ltr_ignore_max)
+ ltr_ign_data = false;
+ else
+ ltr_ign_data = ltr_ign_reg & BIT(index);
+
decoded_snoop_ltr = decoded_non_snoop_ltr = 0;
ltr_raw_data = pmc_core_reg_read(pmc,
map[index].bit_mask);
@@ -667,10 +668,10 @@ static int pmc_core_ltr_show(struct seq_file *s, void *unused)
decoded_snoop_ltr = val * convert_ltr_scale(scale);
}
- seq_printf(s, "%d\tPMC%d:%-32s\tLTR: RAW: 0x%-16x\tNon-Snoop(ns): %-16llu\tSnoop(ns): %-16llu\n",
+ seq_printf(s, "%d\tPMC%d:%-32s\tLTR: RAW: 0x%-16x\tNon-Snoop(ns): %-16llu\tSnoop(ns): %-16llu\tLTR_IGNORE: %d\n",
ltr_index, i, map[index].name, ltr_raw_data,
decoded_non_snoop_ltr,
- decoded_snoop_ltr);
+ decoded_snoop_ltr, ltr_ign_data);
ltr_index++;
}
}
@@ -727,7 +728,8 @@ static int pmc_core_substate_res_show(struct seq_file *s, void *unused)
struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
const int lpm_adj_x2 = pmc->map->lpm_res_counter_step_x2;
u32 offset = pmc->map->lpm_residency_offset;
- int i, mode;
+ unsigned int i;
+ int mode;
seq_printf(s, "%-10s %-15s\n", "Substate", "Residency");
@@ -743,7 +745,7 @@ DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_res);
static int pmc_core_substate_sts_regs_show(struct seq_file *s, void *unused)
{
struct pmc_dev *pmcdev = s->private;
- int i;
+ unsigned int i;
for (i = 0; i < ARRAY_SIZE(pmcdev->pmcs); ++i) {
struct pmc *pmc = pmcdev->pmcs[i];
@@ -764,7 +766,7 @@ DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_sts_regs);
static int pmc_core_substate_l_sts_regs_show(struct seq_file *s, void *unused)
{
struct pmc_dev *pmcdev = s->private;
- int i;
+ unsigned int i;
for (i = 0; i < ARRAY_SIZE(pmcdev->pmcs); ++i) {
struct pmc *pmc = pmcdev->pmcs[i];
@@ -785,7 +787,8 @@ DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_l_sts_regs);
static void pmc_core_substate_req_header_show(struct seq_file *s, int pmc_index)
{
struct pmc_dev *pmcdev = s->private;
- int i, mode;
+ unsigned int i;
+ int mode;
seq_printf(s, "%30s |", "Element");
pmc_for_each_mode(i, mode, pmcdev)
@@ -799,7 +802,8 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused)
struct pmc_dev *pmcdev = s->private;
u32 sts_offset;
u32 *lpm_req_regs;
- int num_maps, mp, pmc_index;
+ unsigned int mp, pmc_index;
+ int num_maps;
for (pmc_index = 0; pmc_index < ARRAY_SIZE(pmcdev->pmcs); ++pmc_index) {
struct pmc *pmc = pmcdev->pmcs[pmc_index];
@@ -921,9 +925,10 @@ static int pmc_core_lpm_latch_mode_show(struct seq_file *s, void *unused)
{
struct pmc_dev *pmcdev = s->private;
struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
+ unsigned int idx;
bool c10;
u32 reg;
- int idx, mode;
+ int mode;
reg = pmc_core_reg_read(pmc, pmc->map->lpm_sts_latch_en_offset);
if (reg & LPM_STS_LATCH_MODE) {
@@ -955,7 +960,8 @@ static ssize_t pmc_core_lpm_latch_mode_write(struct file *file,
struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
bool clear = false, c10 = false;
unsigned char buf[8];
- int idx, m, mode;
+ unsigned int idx;
+ int m, mode;
u32 reg;
if (count > sizeof(buf) - 1)
@@ -987,26 +993,22 @@ static ssize_t pmc_core_lpm_latch_mode_write(struct file *file,
}
if (clear) {
- mutex_lock(&pmcdev->lock);
+ guard(mutex)(&pmcdev->lock);
reg = pmc_core_reg_read(pmc, pmc->map->etr3_offset);
reg |= ETR3_CLEAR_LPM_EVENTS;
pmc_core_reg_write(pmc, pmc->map->etr3_offset, reg);
- mutex_unlock(&pmcdev->lock);
-
return count;
}
if (c10) {
- mutex_lock(&pmcdev->lock);
+ guard(mutex)(&pmcdev->lock);
reg = pmc_core_reg_read(pmc, pmc->map->lpm_sts_latch_en_offset);
reg &= ~LPM_STS_LATCH_MODE;
pmc_core_reg_write(pmc, pmc->map->lpm_sts_latch_en_offset, reg);
- mutex_unlock(&pmcdev->lock);
-
return count;
}
@@ -1015,9 +1017,8 @@ static ssize_t pmc_core_lpm_latch_mode_write(struct file *file,
* and clear everything else.
*/
reg = LPM_STS_LATCH_MODE | BIT(mode);
- mutex_lock(&pmcdev->lock);
+ guard(mutex)(&pmcdev->lock);
pmc_core_reg_write(pmc, pmc->map->lpm_sts_latch_en_offset, reg);
- mutex_unlock(&pmcdev->lock);
return count;
}
@@ -1028,7 +1029,7 @@ static int pmc_core_pkgc_show(struct seq_file *s, void *unused)
struct pmc *pmc = s->private;
const struct pmc_bit_map *map = pmc->map->msr_sts;
u64 pcstate_count;
- int index;
+ unsigned int index;
for (index = 0; map[index].name ; index++) {
if (rdmsrl_safe(map[index].bit_mask, &pcstate_count))
@@ -1046,7 +1047,7 @@ DEFINE_SHOW_ATTRIBUTE(pmc_core_pkgc);
static bool pmc_core_pri_verify(u32 lpm_pri, u8 *mode_order)
{
- int i, j;
+ unsigned int i, j;
if (!lpm_pri)
return false;
@@ -1081,7 +1082,8 @@ void pmc_core_get_low_power_modes(struct pmc_dev *pmcdev)
u8 mode_order[LPM_MAX_NUM_MODES];
u32 lpm_pri;
u32 lpm_en;
- int mode, i, p;
+ unsigned int i;
+ int mode, p;
/* Use LPM Maps to indicate support for substates */
if (!pmc->map->lpm_num_maps)
@@ -1228,7 +1230,9 @@ static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
pmcdev, &pmc_core_ppfear_fops);
debugfs_create_file("ltr_ignore", 0644, dir, pmcdev,
- &pmc_core_ltr_ignore_ops);
+ &pmc_core_ltr_ignore_fops);
+
+ debugfs_create_file("ltr_restore", 0200, dir, pmcdev, &pmc_core_ltr_restore_fops);
debugfs_create_file("ltr_show", 0444, dir, pmcdev, &pmc_core_ltr_fops);
@@ -1373,7 +1377,7 @@ static void pmc_core_do_dmi_quirks(struct pmc *pmc)
static void pmc_core_clean_structure(struct platform_device *pdev)
{
struct pmc_dev *pmcdev = platform_get_drvdata(pdev);
- int i;
+ unsigned int i;
for (i = 0; i < ARRAY_SIZE(pmcdev->pmcs); ++i) {
struct pmc *pmc = pmcdev->pmcs[i];
@@ -1536,7 +1540,7 @@ int pmc_core_resume_common(struct pmc_dev *pmcdev)
struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
const struct pmc_bit_map **maps = pmc->map->lpm_sts;
int offset = pmc->map->lpm_status_offset;
- int i;
+ unsigned int i;
/* Check if the syspend used S0ix */
if (pm_suspend_via_firmware())
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index 3eb5cd6773ad..0aeeae1c1943 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -51,6 +51,10 @@
#define ASUS_WMI_DEVID_LED6 0x00020016
#define ASUS_WMI_DEVID_MICMUTE_LED 0x00040017
+/* Disable Camera LED */
+#define ASUS_WMI_DEVID_CAMERA_LED_NEG 0x00060078 /* 0 = on (unused) */
+#define ASUS_WMI_DEVID_CAMERA_LED 0x00060079 /* 1 = on */
+
/* Backlight and Brightness */
#define ASUS_WMI_DEVID_ALS_ENABLE 0x00050001 /* Ambient Light Sensor */
#define ASUS_WMI_DEVID_BACKLIGHT 0x00050011
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