evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

leds: qpnp-flash: Add snapshot of leds-qpnp-flash driver

Browse source 
This is snapshot of the leds-qpnp-flash driver as of msm-4.4
'commit d851b06217 ("leds: qpnp-flash: Fix Use-after-free(UAF)
for debugfs")'.

Change-Id: I9753ab4e0fee03a957960003efc2941bc48616ac
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
Signed-off-by: Shilpa Suresh <sbsure@codeaurora.org>
This commit is contained in:
Kiran Gunda 2017-11-14 15:24:50 +05:30 • committed by Gerrit - the friendly Code Review server
parent 244c45dfec
commit 77b03b194e
3 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
Documentation/devicetree/bindings/leds/leds-qpnp-flash.txt
View file

@ -1,10 +1,10 @@
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 Emitting Diode) driver is used to provide illumination to
camera sensor when background light is dim to capture good camera sensor when background light is dim to capture good
picture. It can also be used for flashlight/torch application. 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. The PMIC is connected to the host processor via SPMI bus.
Required properties: Required properties:

2
drivers/leds/Kconfig
View file

@ -598,7 +598,7 @@ config LEDS_QPNP
config LEDS_QPNP_FLASH config LEDS_QPNP_FLASH
tristate "Support for QPNP Flash LEDs" tristate "Support for QPNP Flash LEDs"
depends on LEDS_CLASS && SPMI depends on LEDS_CLASS && MFD_SPMI_PMIC
help help
This driver supports the flash LED functionality of Qualcomm This driver supports the flash LED functionality of Qualcomm
Technologies, Inc. QPNP PMICs. This driver supports PMICs up through Technologies, Inc. QPNP PMICs. This driver supports PMICs up through

2
drivers/leds/leds-qpnp-flash.c
View file

@ -1269,7 +1269,7 @@ static void qpnp_flash_led_work(struct work_struct *work)
int max_curr_avail_ma = 0; int max_curr_avail_ma = 0;
int total_curr_ma = 0; int total_curr_ma = 0;
int i; int i;
u8 val; u8 val = 0;
uint temp; uint temp;
mutex_lock(&led->flash_led_lock); mutex_lock(&led->flash_led_lock);