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authorEvan Wilson <evan@oliodevices.com>2015-07-31 11:30:09 -0700
committerEvan Wilson <evan@oliodevices.com>2015-07-31 11:36:32 -0700
commit96c073888c2a35f6133b109b333cedec6da4910b (patch)
tree114e10c66740c7ab6f3583edcb9e4bcc19857451
parent8792368f07601d6079875dabe4b6bba1031ca88e (diff)
downloadolio-linux-3.10-96c073888c2a35f6133b109b333cedec6da4910b.tar.xz
olio-linux-3.10-96c073888c2a35f6133b109b333cedec6da4910b.zip
Temporary fixes to the display driver, so that the kernel will sleep
WARNING: It takes several attempts before a successful suspend, so this commit is not power efficient Change-Id: I1825e1fcf12185181c060b635eef57ec63f4ef52
-rw-r--r--arch/arm/mach-omap2/board-omap3h1.c4
-rw-r--r--drivers/video/omap2/displays/panel-ili9342.c16
2 files changed, 10 insertions, 10 deletions
diff --git a/arch/arm/mach-omap2/board-omap3h1.c b/arch/arm/mach-omap2/board-omap3h1.c
index 7eaceb7fd10..6f089952c8f 100644
--- a/arch/arm/mach-omap2/board-omap3h1.c
+++ b/arch/arm/mach-omap2/board-omap3h1.c
@@ -204,8 +204,8 @@ static struct lm3530_platform_data omap3h1_backlight_platform_data = {
//.pwm_pol_hi = true,
//.als_avrg_time = LM3530_ALS_AVRG_TIME_512ms,
.brt_ramp_law = 0,
- .brt_ramp_fall = LM3530_RAMP_TIME_1s, /* LM3530_RAMP_TIME_1s, */
- .brt_ramp_rise = LM3530_RAMP_TIME_1s, /* LM3530_RAMP_TIME_1s, */
+ .brt_ramp_fall = LM3530_RAMP_TIME_1ms, /* LM3530_RAMP_TIME_1s, */
+ .brt_ramp_rise = LM3530_RAMP_TIME_1ms, /* LM3530_RAMP_TIME_1s, */
//.als1_resistor_sel = LM3530_ALS_IMPD_13_53kOhm,
//.als2_resistor_sel = LM3530_ALS_IMPD_Z,
//.als_vmin = 730, /* mV */
diff --git a/drivers/video/omap2/displays/panel-ili9342.c b/drivers/video/omap2/displays/panel-ili9342.c
index 228a69b7688..d79284e7326 100644
--- a/drivers/video/omap2/displays/panel-ili9342.c
+++ b/drivers/video/omap2/displays/panel-ili9342.c
@@ -155,9 +155,9 @@ static void set_sleep_mode(struct panel_drv_data *drv_data, int on)
* We have to keep 120msec between sleep in/out commands.
* (8.2.11, 8.2.12).
*/
- hw_guard_wait(drv_data);
+ //hw_guard_wait(drv_data);
ili9342_write_cmd(drv_data->spi, cmd);
- hw_guard_start(drv_data, 120);
+ //hw_guard_start(drv_data, 120);
}
static void set_display_state(struct panel_drv_data *drv_data, int enabled)
@@ -183,6 +183,7 @@ static int ili9342_panel_power_on(struct omap_dss_device *dssdev)
if (r)
return r;
+ printk ("OLIO %s entered\n", __FUNCTION__);
/* wait couple of vsyncs until enabling the LCD */
msleep(panel_config->power_on_delay);
@@ -194,7 +195,7 @@ static int ili9342_panel_power_on(struct omap_dss_device *dssdev)
set_sleep_mode(drv_data, 0);
usleep_range(5000, 10000);
- set_display_state(drv_data, 1);
+ //set_display_state(drv_data, 1);
return 0;
err1:
@@ -210,16 +211,15 @@ static void ili9342_panel_power_off(struct omap_dss_device *dssdev)
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return;
- set_display_state(drv_data, 0);
+ //set_display_state(drv_data, 0);
set_sleep_mode(drv_data, 1);
- msleep(100);
+ printk ("OLIO %s entered\n", __FUNCTION__);
+ /* wait couple of vsyncs after disabling the LCD */
+ msleep(panel_config->power_off_delay);
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
- /* wait couple of vsyncs after disabling the LCD */
- msleep(panel_config->power_off_delay);
-
omapdss_dpi_display_disable(dssdev);
}