evie/android_kernel_oneplus_msm8998
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Bluetooth:Add ioctl to power control connectivity chip

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Added new ioctl command to perform power on/off operations
on connectivity chipset from userspace process.

CRs-Fixed: 1049512
Change-Id: Id254a12ba8fc2d57951d158c8fce80168375586d
Signed-off-by: Satish kumar sugasi <ssugas@codeaurora.org>
Signed-off-by: Bhakthavatsala Raghavendra <braghave@codeaurora.org>
This commit is contained in:
Satish kumar sugasi 2016-10-17 15:12:11 -07:00 • committed by Bhakthavatsala Raghavendra
parent 827d048300
commit 63288e7dc9
2 changed files with 18 additions and 2 deletions
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19
drivers/bluetooth/bluetooth-power.c
View file

@ -46,6 +46,7 @@ static const struct of_device_id bt_power_match_table[] = {
static struct bluetooth_power_platform_data *bt_power_pdata; static struct bluetooth_power_platform_data *bt_power_pdata;
static struct platform_device *btpdev; static struct platform_device *btpdev;
static bool previous; static bool previous;
static int pwr_state;
struct class *bt_class; struct class *bt_class;
static int bt_major; static int bt_major;
@ -636,6 +637,7 @@ static int bt_power_probe(struct platform_device *pdev)
memcpy(bt_power_pdata, pdev->dev.platform_data, memcpy(bt_power_pdata, pdev->dev.platform_data,
sizeof(struct bluetooth_power_platform_data)); sizeof(struct bluetooth_power_platform_data));
pwr_state = 0;
} else { } else {
BT_PWR_ERR("Failed to get platform data"); BT_PWR_ERR("Failed to get platform data");
goto free_pdata; goto free_pdata;
@ -680,7 +682,7 @@ int bt_register_slimdev(struct device *dev)
static long bt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) static long bt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{ {
int ret; int ret, pwr_cntrl = 0;
switch (cmd) { switch (cmd) {
case BT_CMD_SLIM_TEST: case BT_CMD_SLIM_TEST:
@ -692,6 +694,18 @@ static long bt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
bt_power_pdata->slim_dev->platform_data bt_power_pdata->slim_dev->platform_data
); );
break; break;
case BT_CMD_PWR_CTRL:
pwr_cntrl = (int)arg;
BT_PWR_ERR("BT_CMD_PWR_CTRL pwr_cntrl:%d", pwr_cntrl);
if (pwr_state != pwr_cntrl) {
ret = bluetooth_power(pwr_cntrl);
if (!ret)
pwr_state = pwr_cntrl;
} else {
BT_PWR_ERR("BT chip state is already :%d no change d\n"
, pwr_state);
}
break;
default: default:
return -EINVAL; return -EINVAL;
} }
@ -711,6 +725,7 @@ static struct platform_driver bt_power_driver = {
static const struct file_operations bt_dev_fops = { static const struct file_operations bt_dev_fops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.unlocked_ioctl = bt_ioctl, .unlocked_ioctl = bt_ioctl,
.compat_ioctl = bt_ioctl,
}; };
static int __init bluetooth_power_init(void) static int __init bluetooth_power_init(void)
@ -733,7 +748,7 @@ static int __init bluetooth_power_init(void)
if (device_create(bt_class, NULL, MKDEV(bt_major, 0), if (device_create(bt_class, NULL, MKDEV(bt_major, 0),
NULL, "pintest") == NULL) { NULL, "btpower") == NULL) {
BTFMSLIM_ERR("failed to allocate char dev\n"); BTFMSLIM_ERR("failed to allocate char dev\n");
goto chrdev_unreg; goto chrdev_unreg;
} }

1
include/linux/bluetooth-power.h
View file

@ -85,4 +85,5 @@ struct bluetooth_power_platform_data {
int bt_register_slimdev(struct device *dev); int bt_register_slimdev(struct device *dev);
#define BT_CMD_SLIM_TEST 0xbfac #define BT_CMD_SLIM_TEST 0xbfac
#define BT_CMD_PWR_CTRL 0xbfad
#endif /* __LINUX_BLUETOOTH_POWER_H */ #endif /* __LINUX_BLUETOOTH_POWER_H */