Re: [RFC PATCH v6 09/10] media: tegra-video: Add CSI MIPI pads calibration

2020-07-31 Thread Sowjanya Komatineni
On 7/31/20 1:42 PM, Dmitry Osipenko wrote: 31.07.2020 19:29, Sowjanya Komatineni пишет: On 7/31/20 9:14 AM, Dmitry Osipenko wrote: 31.07.2020 18:46, Sowjanya Komatineni пишет: On 7/31/20 4:39 AM, Dmitry Osipenko wrote: 31.07.2020 12:02, Sowjanya Komatineni пишет: ... @@ -249,13 +249,47 @@

Re: [RFC PATCH v6 09/10] media: tegra-video: Add CSI MIPI pads calibration

2020-07-31 Thread Dmitry Osipenko
31.07.2020 19:29, Sowjanya Komatineni пишет: > > On 7/31/20 9:14 AM, Dmitry Osipenko wrote: >> 31.07.2020 18:46, Sowjanya Komatineni пишет: >>> On 7/31/20 4:39 AM, Dmitry Osipenko wrote: 31.07.2020 12:02, Sowjanya Komatineni пишет: ... > @@ -249,13 +249,47 @@ static int tegra_csi_ena

Re: [RFC PATCH v6 09/10] media: tegra-video: Add CSI MIPI pads calibration

2020-07-31 Thread Sowjanya Komatineni
On 7/31/20 9:14 AM, Dmitry Osipenko wrote: 31.07.2020 18:46, Sowjanya Komatineni пишет: On 7/31/20 4:39 AM, Dmitry Osipenko wrote: 31.07.2020 12:02, Sowjanya Komatineni пишет: ... @@ -249,13 +249,47 @@ static int tegra_csi_enable_stream(struct v4l2_subdev *subdev)   return ret;    

Re: [RFC PATCH v6 09/10] media: tegra-video: Add CSI MIPI pads calibration

2020-07-31 Thread Dmitry Osipenko
31.07.2020 18:46, Sowjanya Komatineni пишет: > > On 7/31/20 4:39 AM, Dmitry Osipenko wrote: >> 31.07.2020 12:02, Sowjanya Komatineni пишет: >> ... >>> @@ -249,13 +249,47 @@ static int tegra_csi_enable_stream(struct >>> v4l2_subdev *subdev) >>>   return ret; >>>   } >>>   +    if (csi_c

Re: [RFC PATCH v6 09/10] media: tegra-video: Add CSI MIPI pads calibration

2020-07-31 Thread Sowjanya Komatineni
On 7/31/20 4:39 AM, Dmitry Osipenko wrote: 31.07.2020 12:02, Sowjanya Komatineni пишет: ... @@ -249,13 +249,47 @@ static int tegra_csi_enable_stream(struct v4l2_subdev *subdev) return ret; } + if (csi_chan->mipi) { + ret = tegra_mipi_enable(csi_chan->

Re: [RFC PATCH v6 09/10] media: tegra-video: Add CSI MIPI pads calibration

2020-07-31 Thread Dmitry Osipenko
31.07.2020 12:02, Sowjanya Komatineni пишет: ... > @@ -249,13 +249,47 @@ static int tegra_csi_enable_stream(struct v4l2_subdev > *subdev) > return ret; > } > > + if (csi_chan->mipi) { > + ret = tegra_mipi_enable(csi_chan->mipi); > + if (ret < 0) {

[RFC PATCH v6 09/10] media: tegra-video: Add CSI MIPI pads calibration

2020-07-31 Thread Sowjanya Komatineni
CSI MIPI pads need to be enabled and calibrated for capturing from the external sensor or transmitter. MIPI CAL unit calibrates MIPI pads pull-up, pull-down and termination impedances. Calibration is done by co-work of MIPI BIAS pad and MIPI CAL control unit. Triggering calibration start can happ