Lines Matching refs:ret
95 int ret;
99 ret = i2c_master_send(client, (u8 *)array, len);
100 if (ret != len) {
102 return ret;
111 int ret;
119 ret = ssd1307fb_write_array(client, array, 1);
122 return ret;
128 int ret;
136 ret = ssd1307fb_write_array(client, array, 1);
139 return ret;
276 int ret;
293 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SEG_REMAP_ON);
294 if (ret < 0)
295 return ret;
298 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON);
299 if (ret < 0)
300 return ret;
319 int ret;
322 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CONTRAST);
323 ret = ret & ssd1307fb_write_cmd(par->client, 0x7f);
324 if (ret < 0)
325 return ret;
328 ret = ssd1307fb_write_cmd(par->client, 0xc8);
329 if (ret < 0)
330 return ret;
333 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SEG_REMAP_ON);
334 if (ret < 0)
335 return ret;
338 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_MULTIPLEX_RATIO);
339 ret = ret & ssd1307fb_write_cmd(par->client, par->height - 1);
340 if (ret < 0)
341 return ret;
344 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_DISPLAY_OFFSET);
345 ret = ssd1307fb_write_cmd(par->client, 0x20);
346 if (ret < 0)
347 return ret;
350 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_CLOCK_FREQ);
351 ret = ret & ssd1307fb_write_cmd(par->client, 0xf0);
352 if (ret < 0)
353 return ret;
356 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PRECHARGE_PERIOD);
357 ret = ret & ssd1307fb_write_cmd(par->client, 0x22);
358 if (ret < 0)
359 return ret;
362 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_COM_PINS_CONFIG);
363 ret = ret & ssd1307fb_write_cmd(par->client, 0x22);
364 if (ret < 0)
365 return ret;
368 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_VCOMH);
369 ret = ret & ssd1307fb_write_cmd(par->client, 0x49);
370 if (ret < 0)
371 return ret;
374 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CHARGE_PUMP);
375 ret = ret & ssd1307fb_write_cmd(par->client, 0x14);
376 if (ret < 0)
377 return ret;
380 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_ADDRESS_MODE);
381 ret = ret & ssd1307fb_write_cmd(par->client,
383 if (ret < 0)
384 return ret;
386 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_COL_RANGE);
387 ret = ret & ssd1307fb_write_cmd(par->client, 0x0);
388 ret = ret & ssd1307fb_write_cmd(par->client, par->width - 1);
389 if (ret < 0)
390 return ret;
392 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PAGE_RANGE);
393 ret = ret & ssd1307fb_write_cmd(par->client, 0x0);
394 ret = ret & ssd1307fb_write_cmd(par->client,
396 if (ret < 0)
397 return ret;
400 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON);
401 if (ret < 0)
402 return ret;
432 int ret;
455 ret = -EINVAL;
473 ret = -ENOMEM;
501 ret = devm_gpio_request_one(&client->dev, par->reset,
504 if (ret) {
507 par->reset, ret);
520 ret = par->ops->init(par);
521 if (ret)
525 ret = register_framebuffer(info);
526 if (ret) {
542 return ret;