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path: root/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
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Diffstat (limited to 'drivers/video/omap2/displays/panel-tpo-td043mtea1.c')
-rw-r--r--drivers/video/omap2/displays/panel-tpo-td043mtea1.c45
1 files changed, 21 insertions, 24 deletions
diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
index 048c98381ef6..abf2bc4a18ab 100644
--- a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
+++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
@@ -18,6 +18,7 @@
#include <linux/slab.h>
#include <video/omapdss.h>
+#include <video/omap-panel-data.h>
#define TPO_R02_MODE(x) ((x) & 7)
#define TPO_R02_MODE_800x480 7
@@ -278,9 +279,14 @@ static const struct omap_video_timings tpo_td043_timings = {
.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
};
+static inline struct panel_tpo_td043_data
+*get_panel_data(const struct omap_dss_device *dssdev)
+{
+ return (struct panel_tpo_td043_data *) dssdev->data;
+}
+
static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
{
- int nreset_gpio = tpo_td043->nreset_gpio;
int r;
if (tpo_td043->powered_on)
@@ -293,8 +299,8 @@ static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
/* wait for panel to stabilize */
msleep(160);
- if (gpio_is_valid(nreset_gpio))
- gpio_set_value(nreset_gpio, 1);
+ if (gpio_is_valid(tpo_td043->nreset_gpio))
+ gpio_set_value(tpo_td043->nreset_gpio, 1);
tpo_td043_write(tpo_td043->spi, 2,
TPO_R02_MODE(tpo_td043->mode) | TPO_R02_NCLK_RISING);
@@ -311,16 +317,14 @@ static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
static void tpo_td043_power_off(struct tpo_td043_device *tpo_td043)
{
- int nreset_gpio = tpo_td043->nreset_gpio;
-
if (!tpo_td043->powered_on)
return;
tpo_td043_write(tpo_td043->spi, 3,
TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
- if (gpio_is_valid(nreset_gpio))
- gpio_set_value(nreset_gpio, 0);
+ if (gpio_is_valid(tpo_td043->nreset_gpio))
+ gpio_set_value(tpo_td043->nreset_gpio, 0);
/* wait for at least 2 vsyncs before cutting off power */
msleep(50);
@@ -347,12 +351,6 @@ static int tpo_td043_enable_dss(struct omap_dss_device *dssdev)
if (r)
goto err0;
- if (dssdev->platform_enable) {
- r = dssdev->platform_enable(dssdev);
- if (r)
- goto err1;
- }
-
/*
* If we are resuming from system suspend, SPI clocks might not be
* enabled yet, so we'll program the LCD from SPI PM resume callback.
@@ -379,9 +377,6 @@ static void tpo_td043_disable_dss(struct omap_dss_device *dssdev)
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return;
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
-
omapdss_dpi_display_disable(dssdev);
if (!tpo_td043->spi_suspended)
@@ -407,7 +402,7 @@ static void tpo_td043_disable(struct omap_dss_device *dssdev)
static int tpo_td043_probe(struct omap_dss_device *dssdev)
{
struct tpo_td043_device *tpo_td043 = g_tpo_td043;
- int nreset_gpio = dssdev->reset_gpio;
+ struct panel_tpo_td043_data *pdata = get_panel_data(dssdev);
int ret = 0;
dev_dbg(&dssdev->dev, "probe\n");
@@ -417,6 +412,11 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev)
return -ENODEV;
}
+ if (!pdata)
+ return -EINVAL;
+
+ tpo_td043->nreset_gpio = pdata->nreset_gpio;
+
dssdev->panel.timings = tpo_td043_timings;
dssdev->ctrl.pixel_size = 24;
@@ -430,9 +430,10 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev)
goto fail_regulator;
}
- if (gpio_is_valid(nreset_gpio)) {
- ret = gpio_request_one(nreset_gpio, GPIOF_OUT_INIT_LOW,
- "lcd reset");
+ if (gpio_is_valid(tpo_td043->nreset_gpio)) {
+ ret = devm_gpio_request_one(&dssdev->dev,
+ tpo_td043->nreset_gpio, GPIOF_OUT_INIT_LOW,
+ "lcd reset");
if (ret < 0) {
dev_err(&dssdev->dev, "couldn't request reset GPIO\n");
goto fail_gpio_req;
@@ -457,14 +458,11 @@ fail_regulator:
static void tpo_td043_remove(struct omap_dss_device *dssdev)
{
struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
- int nreset_gpio = dssdev->reset_gpio;
dev_dbg(&dssdev->dev, "remove\n");
sysfs_remove_group(&dssdev->dev.kobj, &tpo_td043_attr_group);
regulator_put(tpo_td043->vcc_reg);
- if (gpio_is_valid(nreset_gpio))
- gpio_free(nreset_gpio);
}
static void tpo_td043_set_timings(struct omap_dss_device *dssdev,
@@ -527,7 +525,6 @@ static int tpo_td043_spi_probe(struct spi_device *spi)
return -ENOMEM;
tpo_td043->spi = spi;
- tpo_td043->nreset_gpio = dssdev->reset_gpio;
dev_set_drvdata(&spi->dev, tpo_td043);
g_tpo_td043 = tpo_td043;