video: ssd1307fb: Make use of device properties
Device property API allows to gather device resources from different sources, such as ACPI. Convert the drivers to unleash the power of device property API. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200324170532.44384-3-andriy.shevchenko@linux.intel.com
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@ -12,8 +12,7 @@
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#include <linux/i2c.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/of_gpio.h>
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#include <linux/property.h>
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#include <linux/pwm.h>
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#include <linux/uaccess.h>
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#include <linux/regulator/consumer.h>
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@ -592,7 +591,6 @@ static int ssd1307fb_probe(struct i2c_client *client)
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struct backlight_device *bl;
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char bl_name[12];
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struct fb_info *info;
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struct device_node *node = client->dev.of_node;
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struct fb_deferred_io *ssd1307fb_defio;
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u32 vmem_size;
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struct ssd1307fb_par *par;
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@ -607,7 +605,7 @@ static int ssd1307fb_probe(struct i2c_client *client)
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par->info = info;
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par->client = client;
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par->device_info = of_device_get_match_data(&client->dev);
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par->device_info = device_get_match_data(dev);
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par->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
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if (IS_ERR(par->reset)) {
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@ -628,44 +626,44 @@ static int ssd1307fb_probe(struct i2c_client *client)
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}
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}
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if (of_property_read_u32(node, "solomon,width", &par->width))
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if (device_property_read_u32(dev, "solomon,width", &par->width))
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par->width = 96;
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if (of_property_read_u32(node, "solomon,height", &par->height))
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if (device_property_read_u32(dev, "solomon,height", &par->height))
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par->height = 16;
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if (of_property_read_u32(node, "solomon,page-offset", &par->page_offset))
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if (device_property_read_u32(dev, "solomon,page-offset", &par->page_offset))
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par->page_offset = 1;
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if (of_property_read_u32(node, "solomon,com-offset", &par->com_offset))
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if (device_property_read_u32(dev, "solomon,com-offset", &par->com_offset))
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par->com_offset = 0;
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if (of_property_read_u32(node, "solomon,prechargep1", &par->prechargep1))
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if (device_property_read_u32(dev, "solomon,prechargep1", &par->prechargep1))
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par->prechargep1 = 2;
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if (of_property_read_u32(node, "solomon,prechargep2", &par->prechargep2))
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if (device_property_read_u32(dev, "solomon,prechargep2", &par->prechargep2))
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par->prechargep2 = 2;
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if (!of_property_read_u8_array(node, "solomon,lookup-table",
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par->lookup_table,
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ARRAY_SIZE(par->lookup_table)))
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if (!device_property_read_u8_array(dev, "solomon,lookup-table",
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par->lookup_table,
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ARRAY_SIZE(par->lookup_table)))
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par->lookup_table_set = 1;
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par->seg_remap = !of_property_read_bool(node, "solomon,segment-no-remap");
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par->com_seq = of_property_read_bool(node, "solomon,com-seq");
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par->com_lrremap = of_property_read_bool(node, "solomon,com-lrremap");
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par->com_invdir = of_property_read_bool(node, "solomon,com-invdir");
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par->seg_remap = !device_property_read_bool(dev, "solomon,segment-no-remap");
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par->com_seq = device_property_read_bool(dev, "solomon,com-seq");
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par->com_lrremap = device_property_read_bool(dev, "solomon,com-lrremap");
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par->com_invdir = device_property_read_bool(dev, "solomon,com-invdir");
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par->area_color_enable =
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of_property_read_bool(node, "solomon,area-color-enable");
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par->low_power = of_property_read_bool(node, "solomon,low-power");
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device_property_read_bool(dev, "solomon,area-color-enable");
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par->low_power = device_property_read_bool(dev, "solomon,low-power");
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par->contrast = 127;
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par->vcomh = par->device_info->default_vcomh;
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/* Setup display timing */
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if (of_property_read_u32(node, "solomon,dclk-div", &par->dclk_div))
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if (device_property_read_u32(dev, "solomon,dclk-div", &par->dclk_div))
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par->dclk_div = par->device_info->default_dclk_div;
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if (of_property_read_u32(node, "solomon,dclk-frq", &par->dclk_frq))
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if (device_property_read_u32(dev, "solomon,dclk-frq", &par->dclk_frq))
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par->dclk_frq = par->device_info->default_dclk_frq;
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vmem_size = DIV_ROUND_UP(par->width, 8) * par->height;
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