Daniel Leung 827f6d018b gpio: pcal9535a: use i2c_poll_transfer() for register read ... The newly introduced i2c_poll_transfer() is now used for register read for PCAL9535A GPIO driver. The old write then read does not work because every read or write ends with STOP. However, the chip requires RESTART after writing the register address. So the new generic transfer function is perfect for this. Change-Id: I56d7ebe08f68cb04731c72138d60645ef124f65e Signed-off-by: Daniel Leung <daniel.leung@intel.com>		2016-02-05 20:24:27 -05:00
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Kconfig	gpio: Adding copyright to Kconfig	2016-02-05 20:24:23 -05:00
Makefile	gpio: add driver for MMIO-based GPIO ports	2016-02-05 20:24:18 -05:00
gpio-dw.c	gpio: dw: ISR bails early if no interrupts	2016-02-05 20:24:22 -05:00
gpio-dw.h	gpio: dw: Verify interrupt status on available bits only	2016-02-05 20:24:21 -05:00
gpio-mmio.c	gpio: mmio: add access by I/O port	2016-02-05 20:24:21 -05:00
gpio-mmio.h	gpio: mmio: add access by I/O port	2016-02-05 20:24:21 -05:00
gpio-pcal9535a.c	gpio: pcal9535a: use i2c_poll_transfer() for register read	2016-02-05 20:24:27 -05:00
gpio-pcal9535a.h	gpio: pcal9535a: cache write values to registers	2016-02-05 20:24:19 -05:00