Update from 2.6.36 to 2.6.36.4wip-dissipation-jerickso

4 files changed, 36 insertions, 14 deletions

diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index 38ffc3fbcbe4..c06c667e9ca9 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -21,7 +21,7 @@
 #define MAX_BRIGHTNESS          (0xFF)
 #define MIN_BRIGHTNESS          (0)
 
-#define CURRENT_MASK            (0x1F << 1)
+#define CURRENT_BITMASK         (0x1F << 1)
 
 struct pm860x_backlight_data {
         struct pm860x_chip *chip;
@@ -85,7 +85,7 @@ static int pm860x_backlight_set(struct backlight_device *bl, int brightness)
         if ((data->current_brightness == 0) && brightness) {
                 if (data->iset) {
                         ret = pm860x_set_bits(data->i2c, wled_idc(data->port),
-                                              CURRENT_MASK, data->iset);
+                                              CURRENT_BITMASK, data->iset);
                         if (ret < 0)
                                 goto out;
                 }
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index e207810bba3c..08703299ef61 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -197,12 +197,12 @@ static int backlight_suspend(struct device *dev, pm_message_t state)
 {
         struct backlight_device *bd = to_backlight_device(dev);
 
-        if (bd->ops->options & BL_CORE_SUSPENDRESUME) {
-                mutex_lock(&bd->ops_lock);
+        mutex_lock(&bd->ops_lock);
+        if (bd->ops && bd->ops->options & BL_CORE_SUSPENDRESUME) {
                 bd->props.state |= BL_CORE_SUSPENDED;
                 backlight_update_status(bd);
-                mutex_unlock(&bd->ops_lock);
         }
+        mutex_unlock(&bd->ops_lock);
 
         return 0;
 }
@@ -211,12 +211,12 @@ static int backlight_resume(struct device *dev)
 {
         struct backlight_device *bd = to_backlight_device(dev);
 
-        if (bd->ops->options & BL_CORE_SUSPENDRESUME) {
-                mutex_lock(&bd->ops_lock);
+        mutex_lock(&bd->ops_lock);
+        if (bd->ops && bd->ops->options & BL_CORE_SUSPENDRESUME) {
                 bd->props.state &= ~BL_CORE_SUSPENDED;
                 backlight_update_status(bd);
-                mutex_unlock(&bd->ops_lock);
         }
+        mutex_unlock(&bd->ops_lock);
 
         return 0;
 }
diff --git a/drivers/video/via/accel.c b/drivers/video/via/accel.c
index e44893ea590d..c2f4e6e166f1 100644
--- a/drivers/video/via/accel.c
+++ b/drivers/video/via/accel.c
@@ -283,11 +283,12 @@ static int hw_bitblt_2(void __iomem *engine, u8 op, u32 width, u32 height,
                 writel(tmp, engine + 0x1C);
         }
 
-        if (op != VIA_BITBLT_COLOR)
+        if (op == VIA_BITBLT_FILL) {
+                writel(fg_color, engine + 0x58);
+        } else if (op == VIA_BITBLT_MONO) {
                 writel(fg_color, engine + 0x4C);
-
-        if (op == VIA_BITBLT_MONO)
                 writel(bg_color, engine + 0x50);
+        }
 
         if (op == VIA_BITBLT_FILL)
                 ge_cmd |= fill_rop << 24 | 0x00002000 | 0x00000001;
diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c
index da9e4ca94b17..021112e279de 100644
--- a/drivers/video/via/via_i2c.c
+++ b/drivers/video/via/via_i2c.c
@@ -114,6 +114,7 @@ static void via_i2c_setsda(void *data, int state)
 
 int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata)
 {
+        int ret;
         u8 mm1[] = {0x00};
         struct i2c_msg msgs[2];
 
@@ -126,11 +127,18 @@ int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata)
         mm1[0] = index;
         msgs[0].len = 1; msgs[1].len = 1;
         msgs[0].buf = mm1; msgs[1].buf = pdata;
-        return i2c_transfer(&via_i2c_par[adap].adapter, msgs, 2);
+        ret = i2c_transfer(&via_i2c_par[adap].adapter, msgs, 2);
+        if (ret == 2)
+                ret = 0;
+        else if (ret >= 0)
+                ret = -EIO;
+
+        return ret;
 }
 
 int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data)
 {
+        int ret;
         u8 msg[2] = { index, data };
         struct i2c_msg msgs;
 
@@ -140,11 +148,18 @@ int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data)
         msgs.addr = slave_addr / 2;
         msgs.len = 2;
         msgs.buf = msg;
-        return i2c_transfer(&via_i2c_par[adap].adapter, &msgs, 1);
+        ret = i2c_transfer(&via_i2c_par[adap].adapter, &msgs, 1);
+        if (ret == 1)
+                ret = 0;
+        else if (ret >= 0)
+                ret = -EIO;
+
+        return ret;
 }
 
 int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len)
 {
+        int ret;
         u8 mm1[] = {0x00};
         struct i2c_msg msgs[2];
 
@@ -156,7 +171,13 @@ int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len
         mm1[0] = index;
         msgs[0].len = 1; msgs[1].len = buff_len;
         msgs[0].buf = mm1; msgs[1].buf = buff;
-        return i2c_transfer(&via_i2c_par[adap].adapter, msgs, 2);
+        ret = i2c_transfer(&via_i2c_par[adap].adapter, msgs, 2);
+        if (ret == 2)
+                ret = 0;
+        else if (ret >= 0)
+                ret = -EIO;
+
+        return ret;
 }
 
 /*