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OMAPDSS: VENC: clean up regulator init 

Clean up the VENC driver's regulator init to remove the (unused)
omap_dss_device parameter, renaming the function to a more sensible
name, and making the code slightly clearer.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2013-05-17 12:48:55 +03:00
parent 46c4b64516
commit 7e436bb2e3
1 changed files with 14 additions and 23 deletions
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37
drivers/video/omap2/dss/venc.c
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@ -633,23 +633,22 @@ void omapdss_venc_invert_vid_out_polarity(struct omap_dss_device *dssdev,
mutex_unlock(&venc.venc_lock);
}
static int venc_init_display(struct omap_dss_device *dssdev)
static int venc_init_regulator(void)
{
DSSDBG("init_display\n");
struct regulator *vdda_dac;
if (venc.vdda_dac_reg == NULL) {
struct regulator *vdda_dac;
if (venc.vdda_dac_reg != NULL)
return 0;
vdda_dac = regulator_get(&venc.pdev->dev, "vdda_dac");
vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac");
if (IS_ERR(vdda_dac)) {
DSSERR("can't get VDDA_DAC regulator\n");
return PTR_ERR(vdda_dac);
}
venc.vdda_dac_reg = vdda_dac;
if (IS_ERR(vdda_dac)) {
DSSERR("can't get VDDA_DAC regulator\n");
return PTR_ERR(vdda_dac);
}
venc.vdda_dac_reg = vdda_dac;
return 0;
}
@ -765,19 +764,16 @@ static int venc_probe_pdata(struct platform_device *vencdev)
if (!plat_dssdev)
return 0;
r = venc_init_regulator();
if (r)
return r;
dssdev = dss_alloc_and_init_device(&vencdev->dev);
if (!dssdev)
return -ENOMEM;
dss_copy_device_pdata(dssdev, plat_dssdev);
r = venc_init_display(dssdev);
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
dss_put_device(dssdev);
return r;
}
r = omapdss_output_set_device(&venc.output, dssdev);
if (r) {
DSSERR("failed to connect output to new device: %s\n",
@ -887,11 +883,6 @@ static int __exit omap_venchw_remove(struct platform_device *pdev)
{
dss_unregister_child_devices(&pdev->dev);
if (venc.vdda_dac_reg != NULL) {
regulator_put(venc.vdda_dac_reg);
venc.vdda_dac_reg = NULL;
}
venc_panel_exit();
venc_uninit_output(pdev);