[PATCH 2/4] DRM: BRIDGE: TFP410: Support basic I2C interface
Krzysztof Kozlowski
krzysztof.kozlowski at linaro.org
Thu Jan 26 15:41:47 UTC 2023
On 25/01/2023 22:09, Jonathan Cormier wrote:
> From: Michael Williamson <michael.williamson at criticallink.com>
>
> The TFP410 driver does not support I2C. As such, the device remains in
> Power Down if the I2C is enabled by the bootstrap pins.
>
> Add basic support for the I2C interface, and provide support to take
> the device out of power down when enabled. Also read the bootstrap mode
> pins via the CTL_1_MODE register when using the I2C bus.
>
> Signed-off-by: Michael Williamson <michael.williamson at criticallink.com>
> Signed-off-by: Jonathan Cormier <jcormier at criticallink.com>
> ---
> drivers/gpu/drm/bridge/ti-tfp410.c | 95 +++++++++++++++++++++++++++-----------
> 1 file changed, 68 insertions(+), 27 deletions(-)
Use subject prefixes matching the subsystem (which you can get for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching).
hint: it is entirely different.
>
> diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c
> index b9635abbad16..323a6d9ed188 100644
> --- a/drivers/gpu/drm/bridge/ti-tfp410.c
> +++ b/drivers/gpu/drm/bridge/ti-tfp410.c
> @@ -6,6 +6,7 @@
>
> #include <linux/gpio/consumer.h>
> #include <linux/i2c.h>
> +#include <linux/regmap.h>
> #include <linux/media-bus-format.h>
> #include <linux/module.h>
> #include <linux/of_graph.h>
> @@ -21,6 +22,20 @@
(...)
>
> static void tfp410_i2c_remove(struct i2c_client *client)
> @@ -408,7 +449,7 @@ MODULE_DEVICE_TABLE(i2c, tfp410_i2c_ids);
> static struct i2c_driver tfp410_i2c_driver = {
> .driver = {
> .name = "tfp410",
> - .of_match_table = of_match_ptr(tfp410_match),
> + .of_match_table = tfp410_match,
This does not look related to the patch.
Best regards,
Krzysztof
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