fbdev: ssd1307fb: Fix charge pump setting
Make sure bit 4 is set for the charge pump setting. It is required according to SSD1306 App Note. Signed-off-by: Julian Scheel <julian@jusst.de> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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@ -389,7 +389,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
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return ret;
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ret = ssd1307fb_write_cmd(par->client,
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(par->device_info->need_chargepump & 0x1 << 2) & 0x14);
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BIT(4) | (par->device_info->need_chargepump ? BIT(2) : 0));
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if (ret < 0)
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return ret;
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