[PATCH] drm/panel: sharp-ls060t1sx01: transition to mipi_dsi wrapped functions

[Tejas Vipin]

Changes the sharp-ls060t1sx01 panel to use multi style functions for 
improved error handling.

Signed-off-by: Tejas Vipin <tejasvipi...@gmail.com>
---
 .../gpu/drm/panel/panel-sharp-ls060t1sx01.c   | 59 +++++--------------
 1 file changed, 16 insertions(+), 43 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c 
b/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c
index 74c760ee0c2d..0b4e0983639b 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c
@@ -44,60 +44,39 @@ static void sharp_ls060_reset(struct sharp_ls060 *ctx)
 static int sharp_ls060_on(struct sharp_ls060 *ctx)
 {
        struct mipi_dsi_device *dsi = ctx->dsi;
-       struct device *dev = &dsi->dev;
-       int ret;
+       struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 
        dsi->mode_flags |= MIPI_DSI_MODE_LPM;
 
-       mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x13);
-       mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_MEMORY_START);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbb, 0x13);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_MEMORY_START);
 
-       ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
-               return ret;
-       }
-       msleep(120);
+       mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+       mipi_dsi_msleep(&dsi_ctx, 120);
 
-       ret = mipi_dsi_dcs_set_display_on(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to set display on: %d\n", ret);
-               return ret;
-       }
-       msleep(50);
+       mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
+       mipi_dsi_msleep(&dsi_ctx, 50);
 
-       return 0;
+       return dsi_ctx.accum_err;
 }
 
-static int sharp_ls060_off(struct sharp_ls060 *ctx)
+static void sharp_ls060_off(struct sharp_ls060 *ctx)
 {
        struct mipi_dsi_device *dsi = ctx->dsi;
-       struct device *dev = &dsi->dev;
-       int ret;
+       struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 
        dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
 
-       ret = mipi_dsi_dcs_set_display_off(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to set display off: %d\n", ret);
-               return ret;
-       }
-       usleep_range(2000, 3000);
-
-       ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
-               return ret;
-       }
-       msleep(121);
+       mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+       mipi_dsi_usleep_range(&dsi_ctx, 2000, 3000);
 
-       return 0;
+       mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+       mipi_dsi_msleep(&dsi_ctx, 121);
 }
 
 static int sharp_ls060_prepare(struct drm_panel *panel)
 {
        struct sharp_ls060 *ctx = to_sharp_ls060(panel);
-       struct device *dev = &ctx->dsi->dev;
        int ret;
 
        ret = regulator_enable(ctx->vddi_supply);
@@ -125,10 +104,8 @@ static int sharp_ls060_prepare(struct drm_panel *panel)
        sharp_ls060_reset(ctx);
 
        ret = sharp_ls060_on(ctx);
-       if (ret < 0) {
-               dev_err(dev, "Failed to initialize panel: %d\n", ret);
+       if (ret < 0)
                goto err_on;
-       }
 
        return 0;
 
@@ -154,12 +131,8 @@ static int sharp_ls060_prepare(struct drm_panel *panel)
 static int sharp_ls060_unprepare(struct drm_panel *panel)
 {
        struct sharp_ls060 *ctx = to_sharp_ls060(panel);
-       struct device *dev = &ctx->dsi->dev;
-       int ret;
 
-       ret = sharp_ls060_off(ctx);
-       if (ret < 0)
-               dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
+       sharp_ls060_off(ctx);
 
        regulator_disable(ctx->vddh_supply);
 
-- 
2.48.1