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Platform LCD devices may need to do some device-specific initialization before they can be used (regulator or GPIO setup, for example), but currently the driver does not support any way of doing this. This patch adds a probe() callback to plat_lcd_data which platform LCD devices can set to indicate that device-specific initialization is needed. Signed-off-by: Andrew Bresticker <[email protected]> Cc: Richard Purdie <[email protected]> Cc: Florian Tobias Schandinat <[email protected]> Reviewed-by: Doug Anderson <[email protected]> Acked-by: Jingoo Han <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>