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path: root/drivers/gpu/drm/i915/intel_i2c.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_i2c.c')
-rw-r--r--drivers/gpu/drm/i915/intel_i2c.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index d98cee60b602..d30ccccb9d73 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -28,6 +28,7 @@
28 */ 28 */
29#include <linux/i2c.h> 29#include <linux/i2c.h>
30#include <linux/i2c-algo-bit.h> 30#include <linux/i2c-algo-bit.h>
31#include <linux/export.h>
31#include "drmP.h" 32#include "drmP.h"
32#include "drm.h" 33#include "drm.h"
33#include "intel_drv.h" 34#include "intel_drv.h"
@@ -422,13 +423,7 @@ void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed)
422{ 423{
423 struct intel_gmbus *bus = to_intel_gmbus(adapter); 424 struct intel_gmbus *bus = to_intel_gmbus(adapter);
424 425
425 /* speed: 426 bus->reg0 = (bus->reg0 & ~(0x3 << 8)) | speed;
426 * 0x0 = 100 KHz
427 * 0x1 = 50 KHz
428 * 0x2 = 400 KHz
429 * 0x3 = 1000 Khz
430 */
431 bus->reg0 = (bus->reg0 & ~(0x3 << 8)) | (speed << 8);
432} 427}
433 428
434void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit) 429void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit)