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author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-06-18 22:27:09 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-07 18:53:08 +0200 |
commit | 0372fc304a6b8cea84a1e3c8aeca1d4592971ca5 (patch) | |
tree | 34b87d4f140fd392d7dcf47565a44dc240e2662d /drivers/video/fbdev/ssd1307fb.c | |
parent | 6eea609ac3091741dee9080bae6bcf2edc879ca2 (diff) |
drm/bridge: tc358767: Increase AUX transfer length limit
[ Upstream commit e0655feaec62d5139b6b13a7b1bbb1ab8f1c2d83 ]
According to the datasheet tc358767 can transfer up to 16 bytes via
its AUX channel, so the artificial limit of 8 appears to be too
low. However only up to 15-bytes seem to be actually supported and
trying to use 16-byte transfers results in transfers failing
sporadically (with bogus status in case of I2C transfers), so limit it
to 15.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Cory Tusar <cory.tusar@zii.aero>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190619052716.16831-9-andrew.smirnov@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/video/fbdev/ssd1307fb.c')
0 files changed, 0 insertions, 0 deletions