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Commit fd18025b authored by Abinaya P's avatar Abinaya P
Browse files

leds: leds-qpnp: set VREG_OK parameter based on strobe type 



If the strobe is from hardware, vreg_ok parameter is set to
0x40 and if the strobe is from software, vreg_ok parameter
is set to 0x80.

Change-Id: Ic692bee1e40c3ee0d69e319bf80cb8b135d6833c
Signed-off-by: default avatarAbinaya P <abinayap@codeaurora.org>
parent ce80330c

Documentation/devicetree/bindings/leds/leds-qpnp.txt

+1 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ Optional properties for flash: 
- linux,default-trigger: trigger the led from external modules such as display

- qcom,default-state:  default state of the led, should be "on" or "off"

- qcom,torch-enable: set flash led to torch mode functionality and triggers software workaround for torch if hardware does not support

- qcom,sw_vreg_ok: Specify if software strobe is used to inform the readiness of flash module to fire the flash LED when there is no smbb support

- flash-boost-supply: SMBB regulator for LED flash mode

- torch-boost-supply: SMBB regulator for LED torch mode

drivers/leds/leds-qpnp.c

+13 −2
Original line number Diff line number Diff line
@@ -130,6 +130,7 @@ 
#define FLASH_TMR_SAFETY		0x00

#define FLASH_FAULT_DETECT_MASK		0X80

#define FLASH_HW_VREG_OK		0x40

#define FLASH_SW_VREG_OK                0x80

#define FLASH_VREG_MASK			0xC0

#define FLASH_STARTUP_DLY_MASK		0x02

#define FLASH_CURRENT_RAMP_MASK		0xBF
@@ -412,6 +413,7 @@ struct mpp_config_data { 
 *  @flash_reg_get - flash regulator attached or not

 *  @flash_on - flash status, on or off

 *  @torch_on - torch status, on or off

 *  @vreg_ok - specifies strobe type, sw or hw

 *  @flash_boost_reg - boost regulator for flash

 *  @torch_boost_reg - boost regulator for torch

 */
@@ -432,6 +434,7 @@ struct flash_config_data { 
	bool	flash_reg_get;

	bool	flash_on;

	bool	torch_on;

	bool	vreg_ok;

	struct regulator *flash_boost_reg;

	struct regulator *torch_boost_reg;

};
@@ -2466,8 +2469,13 @@ static int qpnp_flash_init(struct qpnp_led_data *led) 
	}



	/* Set Vreg force */

	if (led->flash_cfg->vreg_ok)

		rc = qpnp_led_masked_write(led,	FLASH_VREG_OK_FORCE(led->base),

			FLASH_VREG_MASK, FLASH_SW_VREG_OK);

	else

		rc = qpnp_led_masked_write(led, FLASH_VREG_OK_FORCE(led->base),

			FLASH_VREG_MASK, FLASH_HW_VREG_OK);



	if (rc) {

		dev_err(&led->spmi_dev->dev,

			"Vreg OK reg write failed(%d)\n", rc);
@@ -2993,6 +3001,9 @@ static int qpnp_get_config_flash(struct qpnp_led_data *led, 
	led->flash_cfg->safety_timer =

		of_property_read_bool(node, "qcom,safety-timer");



	led->flash_cfg->vreg_ok =

		of_property_read_bool(node, "qcom,sw_vreg_ok");



	return 0;



error_get_torch_reg: