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Commit 393568fe authored by Jigarkumar Kishorkumar Zala's avatar Jigarkumar Kishorkumar Zala
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leds: leds-qpnp-flash: disable headroom sense when module is disabled 



Disabling headroom sense after module disable, for reducing
leakage current.

CRs-Fixed: 829939
Change-Id: Id72243eb1ff422402b01f8faba6110d8dd0637dc
Signed-off-by: default avatarJigarkumar Kishorkumar Zala <j_zala@codeaurora.org>
parent 377d2dff

drivers/leds/leds-qpnp-flash.c

+83 −25
Original line number Original line Diff line number Diff line
@@ -95,6 +95,7 @@ 
#define	FLASH_LED_VPH_DROOP_THRESHOLD_MIN_MV			2500

#define	FLASH_LED_VPH_DROOP_THRESHOLD_MIN_MV			2500

#define	FLASH_LED_VPH_DROOP_THRESHOLD_DIVIDER			100

#define	FLASH_LED_VPH_DROOP_THRESHOLD_DIVIDER			100

#define	FLASH_LED_HDRM_SNS_ENABLE				0x81

#define	FLASH_LED_HDRM_SNS_ENABLE				0x81

#define	FLASH_LED_HDRM_SNS_DISABLE				0x01

#define	FLASH_LED_UA_PER_MA					1000

#define	FLASH_LED_UA_PER_MA					1000

#define	FLASH_LED_MASK_MODULE_MASK2_ENABLE			0x20

#define	FLASH_LED_MASK_MODULE_MASK2_ENABLE			0x20

#define	FLASH_LED_MASK3_ENABLE_SHIFT				7

#define	FLASH_LED_MASK3_ENABLE_SHIFT				7
@@ -617,6 +618,31 @@ static int qpnp_flash_led_module_disable(struct qpnp_flash_led *led, 
			return -EINVAL;

			return -EINVAL;

		}

		}

	}

	}



	if (led->pdata->hdrm_sns_ch0_en) {

		rc = qpnp_led_masked_write(led->spmi_dev,

			FLASH_HDRM_SNS_ENABLE_CTRL0(led->base),

			FLASH_LED_HDRM_SNS_ENABLE_MASK,

			FLASH_LED_HDRM_SNS_DISABLE);

		if (rc) {

			dev_err(&led->spmi_dev->dev,

					"Headroom sense disable failed\n");

			return rc;

		}

	}



	if (led->pdata->hdrm_sns_ch1_en) {

		rc = qpnp_led_masked_write(led->spmi_dev,

			FLASH_HDRM_SNS_ENABLE_CTRL1(led->base),

			FLASH_LED_HDRM_SNS_ENABLE_MASK,

			FLASH_LED_HDRM_SNS_DISABLE);

		if (rc) {

			dev_err(&led->spmi_dev->dev,

					"Headroom sense disable failed\n");

			return rc;

		}

	}



	return 0;

	return 0;

}

}
@@ -770,6 +796,34 @@ static void qpnp_flash_led_work(struct work_struct *work) 
			goto exit_flash_led_work;

			goto exit_flash_led_work;

		}

		}





		if (led->flash_node[2].flash_on) {

			if (led->pdata->hdrm_sns_ch0_en) {

				rc = qpnp_led_masked_write(led->spmi_dev,

					FLASH_HDRM_SNS_ENABLE_CTRL0(led->base),

					FLASH_LED_HDRM_SNS_ENABLE_MASK,

					FLASH_LED_HDRM_SNS_ENABLE);

				if (rc) {

					dev_err(&led->spmi_dev->dev,

					"Headroom sense enable failed\n");

					goto exit_flash_led_work;

				}

			}

		}



		if (led->flash_node[3].flash_on) {

			if (led->pdata->hdrm_sns_ch1_en) {

				rc = qpnp_led_masked_write(led->spmi_dev,

					FLASH_HDRM_SNS_ENABLE_CTRL1(led->base),

					FLASH_LED_HDRM_SNS_ENABLE_MASK,

					FLASH_LED_HDRM_SNS_ENABLE);

				if (rc) {

					dev_err(&led->spmi_dev->dev,

					"Headroom sense enable failed\n");

					goto exit_flash_led_work;

				}

			}

		}



		rc = qpnp_led_masked_write(led->spmi_dev,

		rc = qpnp_led_masked_write(led->spmi_dev,

			FLASH_LED_STROBE_CTRL(led->base),

			FLASH_LED_STROBE_CTRL(led->base),

			flash_node->trigger,

			flash_node->trigger,
@@ -955,6 +1009,34 @@ static void qpnp_flash_led_work(struct work_struct *work) 
						FLASH_RAMP_UP_DELAY_US_MAX);

						FLASH_RAMP_UP_DELAY_US_MAX);

		}

		}





		if (led->flash_node[0].flash_on) {

			if (led->pdata->hdrm_sns_ch0_en) {

				rc = qpnp_led_masked_write(led->spmi_dev,

					FLASH_HDRM_SNS_ENABLE_CTRL0(led->base),

					FLASH_LED_HDRM_SNS_ENABLE_MASK,

					FLASH_LED_HDRM_SNS_ENABLE);

				if (rc) {

					dev_err(&led->spmi_dev->dev,

					"Headroom sense enable failed\n");

					goto exit_flash_led_work;

				}

			}

		}



		if (led->flash_node[1].flash_on) {

			if (led->pdata->hdrm_sns_ch1_en) {

				rc = qpnp_led_masked_write(led->spmi_dev,

					FLASH_HDRM_SNS_ENABLE_CTRL1(led->base),

					FLASH_LED_HDRM_SNS_ENABLE_MASK,

					FLASH_LED_HDRM_SNS_ENABLE);

				if (rc) {

					dev_err(&led->spmi_dev->dev,

					"Headroom sense enable failed\n");

					goto exit_flash_led_work;

				}

			}

		}



		rc = qpnp_led_masked_write(led->spmi_dev,

		rc = qpnp_led_masked_write(led->spmi_dev,

			FLASH_LED_STROBE_CTRL(led->base),

			FLASH_LED_STROBE_CTRL(led->base),

			flash_node->trigger,

			flash_node->trigger,
@@ -1211,30 +1293,6 @@ static int qpnp_flash_led_init_settings(struct qpnp_flash_led *led) 
		return rc;

		return rc;

	}

	}





	if (led->pdata->hdrm_sns_ch0_en) {

		rc = qpnp_led_masked_write(led->spmi_dev,

				FLASH_HDRM_SNS_ENABLE_CTRL0(led->base),

				FLASH_LED_HDRM_SNS_ENABLE_MASK,

				FLASH_LED_HDRM_SNS_ENABLE);

		if (rc) {

			dev_err(&led->spmi_dev->dev,

					"Headroom sense enable failed\n");

			return rc;

		}

	}



	if (led->pdata->hdrm_sns_ch1_en) {

		rc = qpnp_led_masked_write(led->spmi_dev,

				FLASH_HDRM_SNS_ENABLE_CTRL1(led->base),

				FLASH_LED_HDRM_SNS_ENABLE_MASK,

				FLASH_LED_HDRM_SNS_ENABLE);

		if (rc) {

			dev_err(&led->spmi_dev->dev,

					"Headroom sense enable failed\n");

			return rc;

		}

	}



	led->battery_psy = power_supply_get_by_name("battery");

	led->battery_psy = power_supply_get_by_name("battery");

	if (!led->battery_psy) {

	if (!led->battery_psy) {

		dev_err(&led->spmi_dev->dev,

		dev_err(&led->spmi_dev->dev,