input: synaptics_i2c_rmi4: Add GPIO configuration support
Add GPIO support to driver. This includes setup and delays
required for gpio toggling during device bootup.
This patch is a propagated patch from 3.4 kernel
commit - 946da663e60245ceefae015b34274627ada5fb38,
input: synaptics_i2c_rmi4: Add GPIO configuration support
Change-Id: I7945ac26d3655902346a4969ac264311a96d3cbf
Signed-off-by:
Amy Maloche <amaloche@codeaurora.org>
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