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| author | Ezequiel Garcia <ezequiel@collabora.com> | 2019-08-08 08:05:40 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-08-15 08:08:07 -0300 |
| commit | 092e8eb90a7dc7dd210cd4e2ea36075d0a7f96af (patch) | |
| tree | 27ad070c007eeb404c162b9eeb693929c5a29371 /Documentation/media/uapi/v4l/control.rst | |
| parent | 7ef57be07ac146e70535747797ef4aee0f06e9f9 (diff) | |
| download | linux-0-day-092e8eb90a7dc7dd210cd4e2ea36075d0a7f96af.tar.gz linux-0-day-092e8eb90a7dc7dd210cd4e2ea36075d0a7f96af.tar.xz | |
media: i2c: ov5645: Fix power sequence
This is mostly a port of Jacopo's fix:
commit aa4bb8b8838ffcc776a79f49a4d7476b82405349
Author: Jacopo Mondi <jacopo@jmondi.org>
Date: Fri Jul 6 05:51:52 2018 -0400
media: ov5640: Re-work MIPI startup sequence
In the OV5645 case, the changes are:
- At set_power(1) time power up MIPI Tx/Rx and set data and clock lanes in
LP11 during 'sleep' and 'idle' with MIPI clock in non-continuous mode.
- At set_power(0) time power down MIPI Tx/Rx (in addition to the current
power down of regulators and clock gating).
- At s_stream time enable/disable the MIPI interface output.
With this commit the sensor is able to enter LP-11 mode during power up,
as expected by some CSI-2 controllers.
Many thanks to Fabio Estevam for his help debugging this issue.
Tested-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation/media/uapi/v4l/control.rst')
0 files changed, 0 insertions, 0 deletions