On Wed Jul 10, 2024 at 10:47 AM CEST, Cong Yang wrote:
> Break select page cmds into helper function.
Why though? I don't find that anything easier to read. In fact, I
deliberately chose not to factor that out into a function. It's just
a sequence of magic commands, taken straight from the datasheet. So,
I'd like to keep it that way.
-michael
> Signed-off-by: Cong Yang <yangco...@huaqin.corp-partner.google.com>
> ---
> drivers/gpu/drm/panel/panel-ilitek-ili9806e.c | 14 ++++++++++----
> 1 file changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
> b/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
> index e4a44cd26c4d..68fb9a1a4d80 100644
> --- a/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
> +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
> @@ -35,6 +35,12 @@ struct ili9806e_panel {
> enum drm_panel_orientation orientation;
> };
>
> +#define ILI9806E_DCS_SWITCH_PAGE 0xff
> +
> +#define ili9806e_switch_page(ctx, page) \
> + mipi_dsi_dcs_write_seq_multi(ctx, ILI9806E_DCS_SWITCH_PAGE, \
> + 0xff, 0x98, 0x06, 0x04, (page))
> +
> static const char * const regulator_names[] = {
> "vdd",
> "vccio",
> @@ -227,7 +233,7 @@ static void ili9806e_dsi_remove(struct mipi_dsi_device
> *dsi)
> static void com35h3p70ulc_init(struct mipi_dsi_multi_context *ctx)
> {
> /* Switch to page 1 */
> - mipi_dsi_dcs_write_seq_multi(ctx, 0xff, 0xff, 0x98, 0x06, 0x04, 0x01);
> + ili9806e_switch_page(ctx, 0x01);
> /* Interface Settings */
> mipi_dsi_dcs_write_seq_multi(ctx, 0x08, 0x18);
> mipi_dsi_dcs_write_seq_multi(ctx, 0x21, 0x01);
> @@ -285,14 +291,14 @@ static void com35h3p70ulc_init(struct
> mipi_dsi_multi_context *ctx)
> mipi_dsi_dcs_write_seq_multi(ctx, 0xcf, 0x0a);
>
> /* Switch to page 7 */
> - mipi_dsi_dcs_write_seq_multi(ctx, 0xff, 0xff, 0x98, 0x06, 0x04, 0x07);
> + ili9806e_switch_page(ctx, 0x07);
> /* Power Control */
> mipi_dsi_dcs_write_seq_multi(ctx, 0x06, 0x00);
> mipi_dsi_dcs_write_seq_multi(ctx, 0x18, 0x1d);
> mipi_dsi_dcs_write_seq_multi(ctx, 0x17, 0x32);
>
> /* Switch to page 6 */
> - mipi_dsi_dcs_write_seq_multi(ctx, 0xff, 0xff, 0x98, 0x06, 0x04, 0x06);
> + ili9806e_switch_page(ctx, 0x06);
> /* GIP settings */
> mipi_dsi_dcs_write_seq_multi(ctx, 0x00, 0x20);
> mipi_dsi_dcs_write_seq_multi(ctx, 0x01, 0x02);
> @@ -352,7 +358,7 @@ static void com35h3p70ulc_init(struct
> mipi_dsi_multi_context *ctx)
> mipi_dsi_dcs_write_seq_multi(ctx, 0x53, 0x12);
>
> /* Switch to page 0 */
> - mipi_dsi_dcs_write_seq_multi(ctx, 0xff, 0xff, 0x98, 0x06, 0x04, 0x00);
> + ili9806e_switch_page(ctx, 0x00);
> /* Interface Pixel format */
> mipi_dsi_dcs_write_seq_multi(ctx, 0x3a, 0x60);
> };
