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Commit 77b03b19 authored by Kiran Gunda's avatar Kiran Gunda Committed by Gerrit - the friendly Code Review server
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leds: qpnp-flash: Add snapshot of leds-qpnp-flash driver 



This is snapshot of the leds-qpnp-flash driver as of msm-4.4
'commit d851b062 ("leds: qpnp-flash: Fix Use-after-free(UAF)
for debugfs")'.

Change-Id: I9753ab4e0fee03a957960003efc2941bc48616ac
Signed-off-by: default avatarKiran Gunda <kgunda@codeaurora.org>
Signed-off-by: default avatarShilpa Suresh <sbsure@codeaurora.org>
parent 244c45df

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

+3 −3
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Qualcomm Technologies PNP Flash LED

Qualcomm Technologies Inc. PNP Flash LED



QPNP (Qualcomm Technologies Plug N Play) Flash LED (Light

QPNP (Qualcomm Technologies Inc. Plug N Play) Flash LED (Light

Emitting Diode) driver is used to provide illumination to

camera sensor when background light is dim to capture good

picture. It can also be used for flashlight/torch application.

It is part of PMIC on Qualcomm Technologies reference platforms.

It is part of PMIC on Qualcomm Technologies Inc. reference platforms.

The PMIC is connected to the host processor via SPMI bus.



Required properties:

drivers/leds/Kconfig

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@@ -598,7 +598,7 @@ config LEDS_QPNP 


config LEDS_QPNP_FLASH

	tristate "Support for QPNP Flash LEDs"

	depends on LEDS_CLASS && SPMI

	depends on LEDS_CLASS && MFD_SPMI_PMIC

	help

	  This driver supports the flash LED functionality of Qualcomm

	  Technologies, Inc. QPNP PMICs.  This driver supports PMICs up through

drivers/leds/leds-qpnp-flash.c

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@@ -1269,7 +1269,7 @@ static void qpnp_flash_led_work(struct work_struct *work) 
	int max_curr_avail_ma = 0;

	int total_curr_ma = 0;

	int i;

	u8 val;

	u8 val = 0;

	uint temp;



	mutex_lock(&led->flash_led_lock);