Re: [PATCH v2 08/12] drm: dsi: Add "enter idle" & "exit idle" dcs functions

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On 07/01/2015 01:51 PM, Mark Zhang wrote:
Signed-off-by: Mark Zhang<markz@xxxxxxxxxx>
---
  drivers/gpu/drm/drm_mipi_dsi.c |   36 ++++++++++++++++++++++++++++++++++++
  include/drm/drm_mipi_dsi.h     |    2 ++
  2 files changed, 38 insertions(+)

diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 2d5ca8eec13a..9bc6ff75eb8f 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -862,6 +862,42 @@ int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format)
  }
  EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format);
+/**
+ * mipi_dsi_dcs_enter_idle_mode()
+ * @dsi: DSI peripheral device
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int mipi_dsi_dcs_enter_idle_mode(struct mipi_dsi_device *dsi)
+{
+	ssize_t err;
+
+	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_ENTER_IDLE_MODE, NULL, 0);
+	if (err < 0)
+		return err;
+
+	return 0;
+}

This we can do simply as:
	return mipi_dsi_dcs_write(dsi, MIPI_DCS_ENTER_IDLE_MODE, NULL, 0);

+EXPORT_SYMBOL(mipi_dsi_dcs_enter_idle_mode);
+
+/**
+ * mipi_dsi_dcs_exit_idle_mode()
+ * @dsi: DSI peripheral device
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int mipi_dsi_dcs_exit_idle_mode(struct mipi_dsi_device *dsi)
+{
+	ssize_t err;
+
+	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_EXIT_IDLE_MODE, NULL, 0);
+	if (err < 0)
+		return err;
+
+	return 0;

For this one also: return mipi_dsi_dcs_write(dsi, MIPI_DCS_EXIT_IDLE_MODE, NULL, 0);


--
Varka Bhadram.

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