diff options
Diffstat (limited to 'recipes/linux/linux-omap-pm/dss2/0093-DSS2-Sharp-panel-use-regulator-fw.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm/dss2/0093-DSS2-Sharp-panel-use-regulator-fw.patch | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0093-DSS2-Sharp-panel-use-regulator-fw.patch b/recipes/linux/linux-omap-pm/dss2/0093-DSS2-Sharp-panel-use-regulator-fw.patch new file mode 100644 index 0000000000..933a22dc36 --- /dev/null +++ b/recipes/linux/linux-omap-pm/dss2/0093-DSS2-Sharp-panel-use-regulator-fw.patch @@ -0,0 +1,100 @@ +From feaf5b69b627c85e3ea40accf50ab5771125cf00 Mon Sep 17 00:00:00 2001 +From: Tomi Valkeinen <tomi.valkeinen@nokia.com> +Date: Fri, 29 May 2009 12:07:27 +0300 +Subject: [PATCH 093/146] DSS2: Sharp panel: use regulator fw + +--- + .../video/omap2/displays/panel-sharp-ls037v7dw01.c | 38 ++++++++++++++++++++ + 1 files changed, 38 insertions(+), 0 deletions(-) + +diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c +index 6b93ea5..cb8ce34 100644 +--- a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c ++++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c +@@ -19,9 +19,20 @@ + + #include <linux/module.h> + #include <linux/delay.h> ++#include <linux/device.h> ++#include <linux/regulator/consumer.h> ++#include <linux/err.h> + + #include <mach/display.h> + ++struct sharp_data { ++ /* XXX This regulator should actually be in SDP board file, not here, ++ * as it doesn't actually power the LCD, but something else that ++ * affects the output to LCD (I think. Somebody clarify). It doesn't do ++ * harm here, as SDP is the only board using this currently */ ++ struct regulator *vdvi_reg; ++}; ++ + static struct omap_video_timings sharp_ls_timings = { + .x_res = 480, + .y_res = 640, +@@ -39,25 +50,48 @@ static struct omap_video_timings sharp_ls_timings = { + + static int sharp_ls_panel_probe(struct omap_dss_device *dssdev) + { ++ struct sharp_data *sd; ++ + dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | + OMAP_DSS_LCD_IHS; + dssdev->panel.acb = 0x28; + dssdev->panel.timings = sharp_ls_timings; + ++ sd = kzalloc(sizeof(*sd), GFP_KERNEL); ++ if (!sd) ++ return -ENOMEM; ++ ++ dev_set_drvdata(&dssdev->dev, sd); ++ ++ sd->vdvi_reg = regulator_get(&dssdev->dev, "vdvi"); ++ if (IS_ERR(sd->vdvi_reg)) { ++ kfree(sd); ++ printk("failed to get VDVI regulator\n"); ++ return PTR_ERR(sd->vdvi_reg); ++ } ++ + return 0; + } + + static void sharp_ls_panel_remove(struct omap_dss_device *dssdev) + { ++ struct sharp_data *sd = dev_get_drvdata(&dssdev->dev); ++ ++ regulator_put(sd->vdvi_reg); ++ ++ kfree(sd); + } + + static int sharp_ls_panel_enable(struct omap_dss_device *dssdev) + { ++ struct sharp_data *sd = dev_get_drvdata(&dssdev->dev); + int r = 0; + + /* wait couple of vsyncs until enabling the LCD */ + msleep(50); + ++ regulator_enable(sd->vdvi_reg); ++ + if (dssdev->platform_enable) + r = dssdev->platform_enable(dssdev); + +@@ -66,9 +100,13 @@ static int sharp_ls_panel_enable(struct omap_dss_device *dssdev) + + static void sharp_ls_panel_disable(struct omap_dss_device *dssdev) + { ++ struct sharp_data *sd = dev_get_drvdata(&dssdev->dev); ++ + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); + ++ regulator_disable(sd->vdvi_reg); ++ + /* wait at least 5 vsyncs after disabling the LCD */ + + msleep(100); +-- +1.6.2.4 + |