Reduces the size of the probe function by adding zoran_i2c_init/zoran_i2c_exit
functions.
Signed-off-by: Corentin Labbe <cla...@baylibre.com>
---
drivers/staging/media/zoran/zoran_card.c | 73 ++++++++++++++++++------
1 file changed, 54 insertions(+), 19 deletions(-)
diff --git a/drivers/staging/media/zoran/zoran_card.c
b/drivers/staging/media/zoran/zoran_card.c
index 19eb3150074a..a00ad40244d0 100644
--- a/drivers/staging/media/zoran/zoran_card.c
+++ b/drivers/staging/media/zoran/zoran_card.c
@@ -931,6 +931,53 @@ static int zoran_init_video_devices(struct zoran *zr)
return err;
}
+/*
+ * v4l2_device_unregister() will care about removing zr->encoder/zr->decoder
+ * via v4l2_i2c_subdev_unregister()
+ */
+static int zoran_i2c_init(struct zoran *zr)
+{
+ int err;
+
+ pci_info(zr->pci_dev, "Initializing i2c bus...\n");
+
+ err = zoran_register_i2c(zr);
+ if (err) {
+ pci_err(zr->pci_dev, "%s - cannot initialize i2c bus\n",
__func__);
+ return err;
+ }
+
+ zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
+ zr->card.i2c_decoder, 0,
+ zr->card.addrs_decoder);
+ if (!zr->decoder) {
+ pci_err(zr->pci_dev, "Fail to get decoder %s\n",
zr->card.i2c_decoder);
+ err = -EINVAL;
+ goto error_decoder;
+ }
+
+ if (zr->card.i2c_encoder) {
+ zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
&zr->i2c_adapter,
+ zr->card.i2c_encoder, 0,
+ zr->card.addrs_encoder);
+ if (!zr->encoder) {
+ pci_err(zr->pci_dev, "Fail to get encoder %s\n",
zr->card.i2c_encoder);
+ err = -EINVAL;
+ goto error_decoder;
+ }
+ }
+ return 0;
+
+error_decoder:
+ zoran_unregister_i2c(zr);
+ return err;
+}
+
+static void zoran_i2c_exit(struct zoran *zr)
+{
+ zoran_unregister_i2c(zr);
+}
+
void zoran_open_init_params(struct zoran *zr)
{
int i;
@@ -1059,7 +1106,7 @@ static void zoran_remove(struct pci_dev *pdev)
videocodec_exit(zr);
/* unregister i2c bus */
- zoran_unregister_i2c(zr);
+ zoran_i2c_exit(zr);
/* disable PCI bus-mastering */
zoran_set_pci_master(zr, 0);
/* put chip into reset */
@@ -1340,22 +1387,10 @@ static int zoran_probe(struct pci_dev *pdev, const
struct pci_device_id *ent)
}
zr36057_restart(zr);
- /* i2c */
- pci_info(zr->pci_dev, "Initializing i2c bus...\n");
- if (zoran_register_i2c(zr) < 0) {
- pci_err(pdev, "%s - can't initialize i2c bus\n", __func__);
+ err = zoran_i2c_init(zr);
+ if (err)
goto zr_free_irq;
- }
-
- zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
- zr->card.i2c_decoder, 0,
- zr->card.addrs_decoder);
-
- if (zr->card.i2c_encoder)
- zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
&zr->i2c_adapter,
- zr->card.i2c_encoder, 0,
- zr->card.addrs_encoder);
pci_info(zr->pci_dev, "Initializing videocodec bus...\n");
err = videocodec_init(zr);
@@ -1370,15 +1405,15 @@ static int zoran_probe(struct pci_dev *pdev, const
struct pci_device_id *ent)
if (zr->card.video_codec != 0) {
master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
if (!master_codec)
- goto zr_unreg_i2c;
+ goto zr_unreg_videocodec;
zr->codec = videocodec_attach(master_codec);
if (!zr->codec) {
pci_err(pdev, "%s - no codec found\n", __func__);
- goto zr_unreg_i2c;
+ goto zr_unreg_videocodec;
}
if (zr->codec->type != zr->card.video_codec) {
pci_err(pdev, "%s - wrong codec\n", __func__);
- goto zr_detach_codec;
+ goto zr_unreg_videocodec;
}
}
if (zr->card.video_vfe != 0) {
@@ -1417,7 +1452,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct
pci_device_id *ent)
zr_unreg_videocodec:
videocodec_exit(zr);
zr_unreg_i2c:
- zoran_unregister_i2c(zr);
+ zoran_i2c_exit(zr);
zr_free_irq:
btwrite(0, ZR36057_SPGPPCR);
pci_free_irq(zr->pci_dev, 0, zr);
--
2.32.0
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