drm: adv7511: mark ADV7511_REG_EDID_READ_CTRL volatile

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This register includes a counter which is decremented by the chip on I2C
failures. Also, it is reset when powering down.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Archit Taneja <architt@codeaurora.org>

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Wolfram Sang 2016-01-04 03:33:46 +01:00 • committed by Wolfram Sang

parent d0be8584b0

commit cd38a33750

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drivers/gpu/drm/i2c/adv7511.c

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