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path: root/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c')
-rw-r--r--drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c83
1 files changed, 5 insertions, 78 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
index abfd1f6e3327..529a017602e4 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
@@ -18,7 +18,6 @@
18#include <linux/slab.h> 18#include <linux/slab.h>
19#include <linux/regulator/consumer.h> 19#include <linux/regulator/consumer.h>
20#include <video/omapdss.h> 20#include <video/omapdss.h>
21#include <video/omap-panel-data.h>
22 21
23struct panel_drv_data { 22struct panel_drv_data {
24 struct omap_dss_device dssdev; 23 struct omap_dss_device dssdev;
@@ -197,73 +196,6 @@ static struct omap_dss_driver sharp_ls_ops = {
197 .get_resolution = omapdss_default_get_resolution, 196 .get_resolution = omapdss_default_get_resolution,
198}; 197};
199 198
200static int sharp_ls_get_gpio(struct device *dev, int gpio, unsigned long flags,
201 char *desc, struct gpio_desc **gpiod)
202{
203 struct gpio_desc *gd;
204 int r;
205
206 *gpiod = NULL;
207
208 r = devm_gpio_request_one(dev, gpio, flags, desc);
209 if (r)
210 return r == -ENOENT ? 0 : r;
211
212 gd = gpio_to_desc(gpio);
213 if (IS_ERR(gd))
214 return PTR_ERR(gd) == -ENOENT ? 0 : PTR_ERR(gd);
215
216 *gpiod = gd;
217 return 0;
218}
219
220static int sharp_ls_probe_pdata(struct platform_device *pdev)
221{
222 const struct panel_sharp_ls037v7dw01_platform_data *pdata;
223 struct panel_drv_data *ddata = platform_get_drvdata(pdev);
224 struct omap_dss_device *dssdev, *in;
225 int r;
226
227 pdata = dev_get_platdata(&pdev->dev);
228
229 in = omap_dss_find_output(pdata->source);
230 if (in == NULL) {
231 dev_err(&pdev->dev, "failed to find video source '%s'\n",
232 pdata->source);
233 return -EPROBE_DEFER;
234 }
235
236 ddata->in = in;
237
238 ddata->data_lines = pdata->data_lines;
239
240 dssdev = &ddata->dssdev;
241 dssdev->name = pdata->name;
242
243 r = sharp_ls_get_gpio(&pdev->dev, pdata->mo_gpio, GPIOF_OUT_INIT_LOW,
244 "lcd MO", &ddata->mo_gpio);
245 if (r)
246 return r;
247 r = sharp_ls_get_gpio(&pdev->dev, pdata->lr_gpio, GPIOF_OUT_INIT_HIGH,
248 "lcd LR", &ddata->lr_gpio);
249 if (r)
250 return r;
251 r = sharp_ls_get_gpio(&pdev->dev, pdata->ud_gpio, GPIOF_OUT_INIT_HIGH,
252 "lcd UD", &ddata->ud_gpio);
253 if (r)
254 return r;
255 r = sharp_ls_get_gpio(&pdev->dev, pdata->resb_gpio, GPIOF_OUT_INIT_LOW,
256 "lcd RESB", &ddata->resb_gpio);
257 if (r)
258 return r;
259 r = sharp_ls_get_gpio(&pdev->dev, pdata->ini_gpio, GPIOF_OUT_INIT_LOW,
260 "lcd INI", &ddata->ini_gpio);
261 if (r)
262 return r;
263
264 return 0;
265}
266
267static int sharp_ls_get_gpio_of(struct device *dev, int index, int val, 199static int sharp_ls_get_gpio_of(struct device *dev, int index, int val,
268 const char *desc, struct gpio_desc **gpiod) 200 const char *desc, struct gpio_desc **gpiod)
269{ 201{
@@ -340,17 +272,12 @@ static int sharp_ls_probe(struct platform_device *pdev)
340 272
341 platform_set_drvdata(pdev, ddata); 273 platform_set_drvdata(pdev, ddata);
342 274
343 if (dev_get_platdata(&pdev->dev)) { 275 if (!pdev->dev.of_node)
344 r = sharp_ls_probe_pdata(pdev);
345 if (r)
346 return r;
347 } else if (pdev->dev.of_node) {
348 r = sharp_ls_probe_of(pdev);
349 if (r)
350 return r;
351 } else {
352 return -ENODEV; 276 return -ENODEV;
353 } 277
278 r = sharp_ls_probe_of(pdev);
279 if (r)
280 return r;
354 281
355 ddata->videomode = sharp_ls_timings; 282 ddata->videomode = sharp_ls_timings;
356 283