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Commit 51fd240d authored by Ajit Kumar's avatar Ajit Kumar Committed by Gerrit - the friendly Code Review server
Browse files

soc: qcom: bgdaemon: add interface to get TWM exit flag 



Add an interface to find if the device bootup is after traditional
watch mode exit.

Change-Id: I174850bf09a8c91c2265c4675d4df735292d7fde
Signed-off-by: default avatarAjit Kumar <kajit@codeaurora.org>
Signed-off-by: default avatarRamesh Yadav Javadi <javadi@codeaurora.org>
parent 7bcb1bb4

drivers/soc/qcom/bgcom_interface.c

+15 −0
Original line number Diff line number Diff line
@@ -93,6 +93,7 @@ struct device *dev_ret; 
static  dev_t                    bg_dev;

static  int                      device_open;

static  void                     *handle;

static	bool                     twm_exit;

static  struct   bgcom_open_config_type   config_type;

static DECLARE_COMPLETION(bg_modem_down_wait);
@@ -360,6 +361,10 @@ static long bg_com_ioctl(struct file *filp, 
	case BG_MODEM_DOWN2_BG_DONE:

		ret = modem_down2_bg();

		break;

	case BG_TWM_EXIT:

		twm_exit = true;

		ret = 0;

		break;

	default:

		ret = -ENOIOCTLCMD;

	}
@@ -555,6 +560,16 @@ static int ssr_modem_cb(struct notifier_block *this, 
	return NOTIFY_DONE;

}



bool is_twm_exit(void)

{

	if (twm_exit) {

		twm_exit = false;

		return true;

	}

	return false;

}

EXPORT_SYMBOL(is_twm_exit);



static struct notifier_block ssr_modem_nb = {

	.notifier_call = ssr_modem_cb,

	.priority = 0,

drivers/soc/qcom/bgcom_interface.h

+8 −1
Original line number Diff line number Diff line
@@ -13,10 +13,17 @@ 
#ifndef BGCOM_INTERFACE_H

#define BGCOM_INTERFACE_H



/**

/*

 * bg_soft_reset() - soft reset Blackghost

 * Return 0 on success or -Ve on error

 */

int bg_soft_reset(void);



/*

 * is_twm_exit()

 * Return true if device is booting up on TWM exit.

 * value is auto cleared once read.

 */

bool is_twm_exit(void);



#endif /* BGCOM_INTERFACE_H */

include/uapi/linux/bgcom_interface.h

+4 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#define BGCOM_REG_WRITE  5

#define BGCOM_SOFT_RESET  6

#define BGCOM_MODEM_DOWN2_BG  7

#define BGCOM_TWM_EXIT  8

#define EXCHANGE_CODE  'V'



struct bg_ui_data {
@@ -57,6 +58,9 @@ enum bg_event_type { 
#define BG_SOFT_RESET \

	_IOWR(EXCHANGE_CODE, BGCOM_SOFT_RESET, \

	struct bg_ui_data)

#define BG_TWM_EXIT \

	_IOWR(EXCHANGE_CODE, BGCOM_TWM_EXIT, \

	struct bg_ui_data)

#define BG_MODEM_DOWN2_BG_DONE \

	_IOWR(EXCHANGE_CODE, BGCOM_MODEM_DOWN2_BG, \

	struct bg_ui_data)