diff options
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/omap2/displays/panel-acx565akm.c | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c index a8fb26b0ee85..d7f69c09ecf1 100644 --- a/drivers/video/omap2/displays/panel-acx565akm.c +++ b/drivers/video/omap2/displays/panel-acx565akm.c @@ -29,8 +29,10 @@ #include <linux/sched.h> #include <linux/backlight.h> #include <linux/fb.h> +#include <linux/gpio.h> #include <video/omapdss.h> +#include <video/omap-panel-data.h> #define MIPID_CMD_READ_DISP_ID 0x04 #define MIPID_CMD_READ_RED 0x06 @@ -494,21 +496,38 @@ static struct omap_video_timings acx_panel_timings = { .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES, }; +static struct panel_acx565akm_data *get_panel_data(struct omap_dss_device *dssdev) +{ + return (struct panel_acx565akm_data *) dssdev->data; +} + static int acx_panel_probe(struct omap_dss_device *dssdev) { int r; struct acx565akm_device *md = &acx_dev; + struct panel_acx565akm_data *panel_data = get_panel_data(dssdev); struct backlight_device *bldev; int max_brightness, brightness; struct backlight_properties props; dev_dbg(&dssdev->dev, "%s\n", __func__); + if (!panel_data) + return -EINVAL; + /* FIXME AC bias ? */ dssdev->panel.timings = acx_panel_timings; - if (dssdev->platform_enable) - dssdev->platform_enable(dssdev); + if (gpio_is_valid(panel_data->reset_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, panel_data->reset_gpio, + GPIOF_OUT_INIT_LOW, "lcd reset"); + if (r) + return r; + } + + if (gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 1); + /* * After reset we have to wait 5 msec before the first * command can be sent. @@ -520,8 +539,9 @@ static int acx_panel_probe(struct omap_dss_device *dssdev) r = panel_detect(md); if (r) { dev_err(&dssdev->dev, "%s panel detect error\n", __func__); - if (!md->enabled && dssdev->platform_disable) - dssdev->platform_disable(dssdev); + if (!md->enabled && gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 0); + return r; } @@ -530,8 +550,8 @@ static int acx_panel_probe(struct omap_dss_device *dssdev) mutex_unlock(&acx_dev.mutex); if (!md->enabled) { - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); + if (gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 0); } /*------- Backlight control --------*/ @@ -584,6 +604,7 @@ static void acx_panel_remove(struct omap_dss_device *dssdev) static int acx_panel_power_on(struct omap_dss_device *dssdev) { struct acx565akm_device *md = &acx_dev; + struct panel_acx565akm_data *panel_data = get_panel_data(dssdev); int r; dev_dbg(&dssdev->dev, "%s\n", __func__); @@ -605,11 +626,8 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev) /*FIXME tweak me */ msleep(50); - if (dssdev->platform_enable) { - r = dssdev->platform_enable(dssdev); - if (r) - goto fail; - } + if (gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 1); if (md->enabled) { dev_dbg(&md->spi->dev, "panel already enabled\n"); @@ -638,8 +656,7 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev) mutex_unlock(&md->mutex); return acx565akm_bl_update_status(md->bl_dev); -fail: - omapdss_sdi_display_disable(dssdev); + fail_unlock: mutex_unlock(&md->mutex); return r; @@ -648,6 +665,7 @@ fail_unlock: static void acx_panel_power_off(struct omap_dss_device *dssdev) { struct acx565akm_device *md = &acx_dev; + struct panel_acx565akm_data *panel_data = get_panel_data(dssdev); dev_dbg(&dssdev->dev, "%s\n", __func__); @@ -671,8 +689,8 @@ static void acx_panel_power_off(struct omap_dss_device *dssdev) */ msleep(50); - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); + if (gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 0); /* FIXME need to tweak this delay */ msleep(100); |