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path: root/drivers/video/via/via_i2c.c
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Diffstat (limited to 'drivers/video/via/via_i2c.c')
-rw-r--r--drivers/video/via/via_i2c.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c
index 78f1405dbab7..dd53058bbbb7 100644
--- a/drivers/video/via/via_i2c.c
+++ b/drivers/video/via/via_i2c.c
@@ -51,7 +51,7 @@ static void via_i2c_setscl(void *data, int state)
51 val |= 0x01; 51 val |= 0x01;
52 break; 52 break;
53 case VIA_PORT_GPIO: 53 case VIA_PORT_GPIO:
54 val |= 0x80; 54 val |= 0x82;
55 break; 55 break;
56 default: 56 default:
57 printk(KERN_ERR "viafb_i2c: specify wrong i2c type.\n"); 57 printk(KERN_ERR "viafb_i2c: specify wrong i2c type.\n");
@@ -67,6 +67,9 @@ static int via_i2c_getscl(void *data)
67 int ret = 0; 67 int ret = 0;
68 68
69 spin_lock_irqsave(&i2c_vdev->reg_lock, flags); 69 spin_lock_irqsave(&i2c_vdev->reg_lock, flags);
70 if (adap_data->type == VIA_PORT_GPIO)
71 via_write_reg_mask(adap_data->io_port, adap_data->ioport_index,
72 0, 0x80);
70 if (via_read_reg(adap_data->io_port, adap_data->ioport_index) & 0x08) 73 if (via_read_reg(adap_data->io_port, adap_data->ioport_index) & 0x08)
71 ret = 1; 74 ret = 1;
72 spin_unlock_irqrestore(&i2c_vdev->reg_lock, flags); 75 spin_unlock_irqrestore(&i2c_vdev->reg_lock, flags);
@@ -80,6 +83,9 @@ static int via_i2c_getsda(void *data)
80 int ret = 0; 83 int ret = 0;
81 84
82 spin_lock_irqsave(&i2c_vdev->reg_lock, flags); 85 spin_lock_irqsave(&i2c_vdev->reg_lock, flags);
86 if (adap_data->type == VIA_PORT_GPIO)
87 via_write_reg_mask(adap_data->io_port, adap_data->ioport_index,
88 0, 0x40);
83 if (via_read_reg(adap_data->io_port, adap_data->ioport_index) & 0x04) 89 if (via_read_reg(adap_data->io_port, adap_data->ioport_index) & 0x04)
84 ret = 1; 90 ret = 1;
85 spin_unlock_irqrestore(&i2c_vdev->reg_lock, flags); 91 spin_unlock_irqrestore(&i2c_vdev->reg_lock, flags);
@@ -103,7 +109,7 @@ static void via_i2c_setsda(void *data, int state)
103 val |= 0x01; 109 val |= 0x01;
104 break; 110 break;
105 case VIA_PORT_GPIO: 111 case VIA_PORT_GPIO:
106 val |= 0x40; 112 val |= 0x42;
107 break; 113 break;
108 default: 114 default:
109 printk(KERN_ERR "viafb_i2c: specify wrong i2c type.\n"); 115 printk(KERN_ERR "viafb_i2c: specify wrong i2c type.\n");