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Subject[PATCH 07/15] gma500: fix compile warnings when CONFIG_BACKLIGHT_CLASS_DEVICE is not defined
Date
From: Octavian Purdila <octavian.purdila@intel.com>

Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
[Fixed up for other changes, and tidied some existing variable names]
Signed-off-by: Alan Cox <alan@linux.intel.com>
---

drivers/staging/gma500/backlight.c | 2 ++
drivers/staging/gma500/mdfld_dsi_output.c | 5 ++---
drivers/staging/gma500/psb_drv.c | 28 +++++++++++++---------------
drivers/staging/gma500/psb_intel_lvds.c | 19 +++++++------------
4 files changed, 24 insertions(+), 30 deletions(-)

diff --git a/drivers/staging/gma500/backlight.c b/drivers/staging/gma500/backlight.c
index d3e698b..2079395 100644
--- a/drivers/staging/gma500/backlight.c
+++ b/drivers/staging/gma500/backlight.c
@@ -31,6 +31,8 @@ int gma_backlight_init(struct drm_device *dev)
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
struct drm_psb_private *dev_priv = dev->dev_private;
return dev_priv->ops->backlight_init(dev);
+#else
+ return 0;
#endif
}

diff --git a/drivers/staging/gma500/mdfld_dsi_output.c b/drivers/staging/gma500/mdfld_dsi_output.c
index e911ef2..ff75ece 100644
--- a/drivers/staging/gma500/mdfld_dsi_output.c
+++ b/drivers/staging/gma500/mdfld_dsi_output.c
@@ -467,8 +467,6 @@ static int mdfld_dsi_connector_set_property(struct drm_connector * connector,
uint64_t value)
{
struct drm_encoder * encoder = connector->encoder;
- struct backlight_device * psb_bd;
- struct drm_psb_private * dev_priv = encoder->dev->dev_private;

if (!strcmp(property->name, "scaling mode") && encoder) {
struct psb_intel_crtc * psb_crtc = to_psb_intel_crtc(encoder->crtc);
@@ -515,13 +513,14 @@ static int mdfld_dsi_connector_set_property(struct drm_connector * connector,
}
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
} else if (!strcmp(property->name, "backlight") && encoder) {
+ struct drm_psb_private *dev_priv = encoder->dev->dev_private;
+ struct backlight_device *psb_bd = dev_priv->backlight_device;
dev_dbg(encoder->dev->dev, "backlight level = %d\n", (int)value);
if (drm_connector_property_set_value(connector, property, value))
goto set_prop_error;
else {
dev_dbg(encoder->dev->dev,
"set brightness to %d", (int)value);
- psb_bd = dev_priv->backlight_device;
if (psb_bd) {
psb_bd->props.brightness = value;
backlight_update_status(psb_bd);
diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
index f96a619..6b03951ebd 100644
--- a/drivers/staging/gma500/psb_drv.c
+++ b/drivers/staging/gma500/psb_drv.c
@@ -536,20 +536,24 @@ static int psb_dc_state_ioctl(struct drm_device *dev, void * data,
return -EINVAL;
}

-static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+static inline void get_brightness(struct backlight_device *bd)
{
- struct drm_psb_private *dev_priv = psb_priv(dev);
- uint32_t *arg = data;
- struct backlight_device *bd = dev_priv->backlight_device;
- dev_priv->blc_adj2 = *arg;
-
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
if (bd) {
bd->props.brightness = bd->ops->get_brightness(bd);
backlight_update_status(bd);
}
#endif
+}
+
+static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_psb_private *dev_priv = psb_priv(dev);
+ uint32_t *arg = data;
+
+ dev_priv->blc_adj2 = *arg;
+ get_brightness(dev_priv->backlight_device);
return 0;
}

@@ -558,15 +562,9 @@ static int psb_adb_ioctl(struct drm_device *dev, void *data,
{
struct drm_psb_private *dev_priv = psb_priv(dev);
uint32_t *arg = data;
- struct backlight_device *bd = dev_priv->backlight_device;
- dev_priv->blc_adj1 = *arg;

-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
- if (bd) {
- bd->props.brightness = bd->ops->get_brightness(bd);
- backlight_update_status(bd);
- }
-#endif
+ dev_priv->blc_adj1 = *arg;
+ get_brightness(dev_priv->backlight_device);
return 0;
}

diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c
index 03132a4..da6f5c8 100644
--- a/drivers/staging/gma500/psb_intel_lvds.c
+++ b/drivers/staging/gma500/psb_intel_lvds.c
@@ -467,8 +467,6 @@ static void psb_intel_lvds_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
- struct psb_intel_mode_device *mode_dev =
- enc_to_psb_intel_output(encoder)->mode_dev;
struct drm_device *dev = encoder->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
u32 pfit_control;
@@ -571,17 +569,14 @@ int psb_intel_lvds_set_property(struct drm_connector *connector,
uint64_t value)
{
struct drm_encoder *encoder = connector->encoder;
- struct drm_psb_private *dev_priv;

if (!encoder)
return -1;

- dev_priv = encoder->dev->dev_private;
-
if (!strcmp(property->name, "scaling mode")) {
struct psb_intel_crtc *crtc =
to_psb_intel_crtc(encoder->crtc);
- uint64_t curValue;
+ uint64_t curval;

if (!crtc)
goto set_prop_error;
@@ -599,10 +594,10 @@ int psb_intel_lvds_set_property(struct drm_connector *connector,

if (drm_connector_property_get_value(connector,
property,
- &curValue))
+ &curval))
goto set_prop_error;

- if (curValue == value)
+ if (curval == value)
goto set_prop_done;

if (drm_connector_property_set_value(connector,
@@ -626,8 +621,8 @@ int psb_intel_lvds_set_property(struct drm_connector *connector,
goto set_prop_error;
else {
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
- struct backlight_device *bd =
- dev_priv->backlight_device;
+ struct drm_psb_private *devp = encoder->dev->dev_private;
+ struct backlight_device *bd = devp->backlight_device;
if (bd) {
bd->props.brightness = value;
backlight_update_status(bd);
@@ -635,9 +630,9 @@ int psb_intel_lvds_set_property(struct drm_connector *connector,
#endif
}
} else if (!strcmp(property->name, "DPMS")) {
- struct drm_encoder_helper_funcs *pEncHFuncs
+ struct drm_encoder_helper_funcs *hfuncs
= encoder->helper_private;
- pEncHFuncs->dpms(encoder, value);
+ hfuncs->dpms(encoder, value);
}

set_prop_done:


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