UbiquitousOS
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OpenCloudOS-Kernel
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4 Commits

Author SHA1 Message Date
Axel Lin f9c28019d4 mfd: Fix jz4740_adc_set_enabled 
When enabled is false, clear BIT(engine) of JZ_REG_ADC_ENABLE register.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2010-10-29 00:30:20 +02:00
Axel Lin 789133b7b4 mfd: Check jz4740-adc kmalloc() result 
If kmalloc() fails exit with -ENOMEM.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2010-08-12 11:28:02 +02:00
Axel Lin 48736c80e5 mfd: Fix jz4740-adc resource reclaim in probe error path 
If mfd_add_devices() fail, we need to relese allocated resources.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2010-08-12 11:28:01 +02:00
Lars-Peter Clausen 91f4debf5e mfd: Add JZ4740 ADC driver 
This patch adds a MFD driver for the JZ4740 ADC unit. The driver is used to
demultiplex IRQs and synchronize access to shared registers between the
battery, hwmon and (future) touchscreen driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2010-08-12 11:27:58 +02:00