Release 4.7 drivers/gpu/drm/gma500/psb_intel_modes.c
  
  
/*
 * Copyright (c) 2007 Intel Corporation
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Authers: Jesse Barnes <jesse.barnes@intel.com>
 */
#include <linux/i2c.h>
#include <linux/fb.h>
#include <drm/drmP.h>
#include "psb_intel_drv.h"
/**
 * psb_intel_ddc_probe
 *
 */
bool psb_intel_ddc_probe(struct i2c_adapter *adapter)
{
	u8 out_buf[] = { 0x0, 0x0 };
	u8 buf[2];
	int ret;
	struct i2c_msg msgs[] = {
		{
		 .addr = 0x50,
		 .flags = 0,
		 .len = 1,
		 .buf = out_buf,
                 },
		{
		 .addr = 0x50,
		 .flags = I2C_M_RD,
		 .len = 1,
		 .buf = buf,
                 }
	};
	ret = i2c_transfer(adapter, msgs, 2);
	if (ret == 2)
		return true;
	return false;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| alan cox | alan cox | 101 | 98.06% | 1 | 50.00% | 
| patrik jakobsson | patrik jakobsson | 2 | 1.94% | 1 | 50.00% | 
 | Total | 103 | 100.00% | 2 | 100.00% | 
/**
 * psb_intel_ddc_get_modes - get modelist from monitor
 * @connector: DRM connector device to use
 *
 * Fetch the EDID information from @connector using the DDC bus.
 */
int psb_intel_ddc_get_modes(struct drm_connector *connector,
			    struct i2c_adapter *adapter)
{
	struct edid *edid;
	int ret = 0;
	edid = drm_get_edid(connector, adapter);
	if (edid) {
		drm_mode_connector_update_edid_property(connector, edid);
		ret = drm_add_edid_modes(connector, edid);
		kfree(edid);
	}
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| alan cox | alan cox | 54 | 84.38% | 1 | 50.00% | 
| patrik jakobsson | patrik jakobsson | 10 | 15.62% | 1 | 50.00% | 
 | Total | 64 | 100.00% | 2 | 100.00% | 
Overall Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| alan cox | alan cox | 170 | 93.41% | 1 | 50.00% | 
| patrik jakobsson | patrik jakobsson | 12 | 6.59% | 1 | 50.00% | 
 | Total | 182 | 100.00% | 2 | 100.00% | 
  
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