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authorDave Airlie <airlied@redhat.com>2018-08-08 05:52:15 +1000
committerDave Airlie <airlied@redhat.com>2018-08-08 05:52:22 +1000
commita7ccc5a43b829a96b4c62c0de71fc8c6fbd17b8a (patch)
tree3cdd9d39dc82d7f1991a6c9a826355bfe85994ac /drivers/gpu/drm/i2c
parent2532659021213f3604615add95c095a2f3bde748 (diff)
parent926a299c42e38bbe8bb909eae0146e676b66afe4 (diff)
Merge branch 'drm-tda998x-devel' of git://git.armlinux.org.uk/~rmk/linux-arm into drm-next
From: Russell King <rmk@armlinux.org.uk> As per the patches posted, discussed and tested by Peter Rosin, this converts TDA998x to a bridge driver, while still allowing Armada and TI LCDC to continue using it as they always have done. It also gets rid of the private .fill_modes function, and tweaks the TMDS divider calculation to be more correct to the available information. [airlied: fixed two conflicts] Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180802093421.GA29670@rmk-PC.armlinux.org.uk
Diffstat (limited to 'drivers/gpu/drm/i2c')
-rw-r--r--drivers/gpu/drm/i2c/tda998x_drv.c372
1 files changed, 189 insertions, 183 deletions
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index eecdc327b9f8..a7c39f39793f 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -69,6 +69,7 @@ struct tda998x_priv {
bool edid_delay_active;
struct drm_encoder encoder;
+ struct drm_bridge bridge;
struct drm_connector connector;
struct tda998x_audio_port audio_port[2];
@@ -79,9 +80,10 @@ struct tda998x_priv {
#define conn_to_tda998x_priv(x) \
container_of(x, struct tda998x_priv, connector)
-
#define enc_to_tda998x_priv(x) \
container_of(x, struct tda998x_priv, encoder)
+#define bridge_to_tda998x_priv(x) \
+ container_of(x, struct tda998x_priv, bridge)
/* The TDA9988 series of devices use a paged register scheme.. to simplify
* things we encode the page # in upper bits of the register #. To read/
@@ -762,7 +764,7 @@ static void tda998x_detect_work(struct work_struct *work)
{
struct tda998x_priv *priv =
container_of(work, struct tda998x_priv, detect_work);
- struct drm_device *dev = priv->encoder.dev;
+ struct drm_device *dev = priv->connector.dev;
if (dev)
drm_kms_helper_hotplug_event(dev);
@@ -1104,29 +1106,6 @@ static int tda998x_audio_codec_init(struct tda998x_priv *priv,
/* DRM connector functions */
-static int tda998x_connector_fill_modes(struct drm_connector *connector,
- uint32_t maxX, uint32_t maxY)
-{
- struct tda998x_priv *priv = conn_to_tda998x_priv(connector);
- int ret;
-
- mutex_lock(&priv->audio_mutex);
- ret = drm_helper_probe_single_connector_modes(connector, maxX, maxY);
-
- if (connector->edid_blob_ptr) {
- struct edid *edid = (void *)connector->edid_blob_ptr->data;
-
- cec_notifier_set_phys_addr_from_edid(priv->cec_notify, edid);
-
- priv->sink_has_audio = drm_detect_monitor_audio(edid);
- } else {
- priv->sink_has_audio = false;
- }
- mutex_unlock(&priv->audio_mutex);
-
- return ret;
-}
-
static enum drm_connector_status
tda998x_connector_detect(struct drm_connector *connector, bool force)
{
@@ -1145,7 +1124,7 @@ static void tda998x_connector_destroy(struct drm_connector *connector)
static const struct drm_connector_funcs tda998x_connector_funcs = {
.dpms = drm_helper_connector_dpms,
.reset = drm_atomic_helper_connector_reset,
- .fill_modes = tda998x_connector_fill_modes,
+ .fill_modes = drm_helper_probe_single_connector_modes,
.detect = tda998x_connector_detect,
.destroy = tda998x_connector_destroy,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -1244,40 +1223,29 @@ static int tda998x_connector_get_modes(struct drm_connector *connector)
}
drm_connector_update_edid_property(connector, edid);
+ cec_notifier_set_phys_addr_from_edid(priv->cec_notify, edid);
+
+ mutex_lock(&priv->audio_mutex);
n = drm_add_edid_modes(connector, edid);
+ priv->sink_has_audio = drm_detect_monitor_audio(edid);
+ mutex_unlock(&priv->audio_mutex);
kfree(edid);
return n;
}
-static enum drm_mode_status tda998x_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- /* TDA19988 dotclock can go up to 165MHz */
- struct tda998x_priv *priv = conn_to_tda998x_priv(connector);
-
- if (mode->clock > ((priv->rev == TDA19988) ? 165000 : 150000))
- return MODE_CLOCK_HIGH;
- if (mode->htotal >= BIT(13))
- return MODE_BAD_HVALUE;
- if (mode->vtotal >= BIT(11))
- return MODE_BAD_VVALUE;
- return MODE_OK;
-}
-
static struct drm_encoder *
tda998x_connector_best_encoder(struct drm_connector *connector)
{
struct tda998x_priv *priv = conn_to_tda998x_priv(connector);
- return &priv->encoder;
+ return priv->bridge.encoder;
}
static
const struct drm_connector_helper_funcs tda998x_connector_helper_funcs = {
.get_modes = tda998x_connector_get_modes,
- .mode_valid = tda998x_connector_mode_valid,
.best_encoder = tda998x_connector_best_encoder,
};
@@ -1301,25 +1269,48 @@ static int tda998x_connector_init(struct tda998x_priv *priv,
if (ret)
return ret;
- drm_connector_attach_encoder(&priv->connector, &priv->encoder);
+ drm_connector_attach_encoder(&priv->connector,
+ priv->bridge.encoder);
return 0;
}
-/* DRM encoder functions */
+/* DRM bridge functions */
-static void tda998x_encoder_dpms(struct drm_encoder *encoder, int mode)
+static int tda998x_bridge_attach(struct drm_bridge *bridge)
{
- struct tda998x_priv *priv = enc_to_tda998x_priv(encoder);
- bool on;
+ struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge);
- /* we only care about on or off: */
- on = mode == DRM_MODE_DPMS_ON;
+ return tda998x_connector_init(priv, bridge->dev);
+}
- if (on == priv->is_on)
- return;
+static void tda998x_bridge_detach(struct drm_bridge *bridge)
+{
+ struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge);
- if (on) {
+ drm_connector_cleanup(&priv->connector);
+}
+
+static enum drm_mode_status tda998x_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode)
+{
+ /* TDA19988 dotclock can go up to 165MHz */
+ struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge);
+
+ if (mode->clock > ((priv->rev == TDA19988) ? 165000 : 150000))
+ return MODE_CLOCK_HIGH;
+ if (mode->htotal >= BIT(13))
+ return MODE_BAD_HVALUE;
+ if (mode->vtotal >= BIT(11))
+ return MODE_BAD_VVALUE;
+ return MODE_OK;
+}
+
+static void tda998x_bridge_enable(struct drm_bridge *bridge)
+{
+ struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge);
+
+ if (!priv->is_on) {
/* enable video ports, audio will be enabled later */
reg_write(priv, REG_ENA_VP_0, 0xff);
reg_write(priv, REG_ENA_VP_1, 0xff);
@@ -1330,7 +1321,14 @@ static void tda998x_encoder_dpms(struct drm_encoder *encoder, int mode)
reg_write(priv, REG_VIP_CNTRL_2, priv->vip_cntrl_2);
priv->is_on = true;
- } else {
+ }
+}
+
+static void tda998x_bridge_disable(struct drm_bridge *bridge)
+{
+ struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge);
+
+ if (priv->is_on) {
/* disable video ports */
reg_write(priv, REG_ENA_VP_0, 0x00);
reg_write(priv, REG_ENA_VP_1, 0x00);
@@ -1340,12 +1338,12 @@ static void tda998x_encoder_dpms(struct drm_encoder *encoder, int mode)
}
}
-static void
-tda998x_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
+static void tda998x_bridge_mode_set(struct drm_bridge *bridge,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
{
- struct tda998x_priv *priv = enc_to_tda998x_priv(encoder);
+ struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge);
+ unsigned long tmds_clock;
u16 ref_pix, ref_line, n_pix, n_line;
u16 hs_pix_s, hs_pix_e;
u16 vs1_pix_s, vs1_pix_e, vs1_line_s, vs1_line_e;
@@ -1416,12 +1414,19 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder,
(mode->vsync_end - mode->vsync_start)/2;
}
- div = 148500 / mode->clock;
- if (div != 0) {
- div--;
- if (div > 3)
- div = 3;
- }
+ tmds_clock = mode->clock;
+
+ /*
+ * The divisor is power-of-2. The TDA9983B datasheet gives
+ * this as ranges of Msample/s, which is 10x the TMDS clock:
+ * 0 - 800 to 1500 Msample/s
+ * 1 - 400 to 800 Msample/s
+ * 2 - 200 to 400 Msample/s
+ * 3 - as 2 above
+ */
+ for (div = 0; div < 3; div++)
+ if (80000 >> div <= tmds_clock)
+ break;
mutex_lock(&priv->audio_mutex);
@@ -1552,26 +1557,14 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder,
mutex_unlock(&priv->audio_mutex);
}
-static void tda998x_destroy(struct tda998x_priv *priv)
-{
- /* disable all IRQs and free the IRQ handler */
- cec_write(priv, REG_CEC_RXSHPDINTENA, 0);
- reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD);
-
- if (priv->audio_pdev)
- platform_device_unregister(priv->audio_pdev);
-
- if (priv->hdmi->irq)
- free_irq(priv->hdmi->irq, priv);
-
- del_timer_sync(&priv->edid_delay_timer);
- cancel_work_sync(&priv->detect_work);
-
- i2c_unregister_device(priv->cec);
-
- if (priv->cec_notify)
- cec_notifier_put(priv->cec_notify);
-}
+static const struct drm_bridge_funcs tda998x_bridge_funcs = {
+ .attach = tda998x_bridge_attach,
+ .detach = tda998x_bridge_detach,
+ .mode_valid = tda998x_bridge_mode_valid,
+ .disable = tda998x_bridge_disable,
+ .mode_set = tda998x_bridge_mode_set,
+ .enable = tda998x_bridge_enable,
+};
/* I2C driver functions */
@@ -1617,16 +1610,69 @@ static int tda998x_get_audio_ports(struct tda998x_priv *priv,
return 0;
}
-static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
+static void tda998x_set_config(struct tda998x_priv *priv,
+ const struct tda998x_encoder_params *p)
{
+ priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(p->swap_a) |
+ (p->mirr_a ? VIP_CNTRL_0_MIRR_A : 0) |
+ VIP_CNTRL_0_SWAP_B(p->swap_b) |
+ (p->mirr_b ? VIP_CNTRL_0_MIRR_B : 0);
+ priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(p->swap_c) |
+ (p->mirr_c ? VIP_CNTRL_1_MIRR_C : 0) |
+ VIP_CNTRL_1_SWAP_D(p->swap_d) |
+ (p->mirr_d ? VIP_CNTRL_1_MIRR_D : 0);
+ priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(p->swap_e) |
+ (p->mirr_e ? VIP_CNTRL_2_MIRR_E : 0) |
+ VIP_CNTRL_2_SWAP_F(p->swap_f) |
+ (p->mirr_f ? VIP_CNTRL_2_MIRR_F : 0);
+
+ priv->audio_params = p->audio_params;
+}
+
+static void tda998x_destroy(struct device *dev)
+{
+ struct tda998x_priv *priv = dev_get_drvdata(dev);
+
+ drm_bridge_remove(&priv->bridge);
+
+ /* disable all IRQs and free the IRQ handler */
+ cec_write(priv, REG_CEC_RXSHPDINTENA, 0);
+ reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD);
+
+ if (priv->audio_pdev)
+ platform_device_unregister(priv->audio_pdev);
+
+ if (priv->hdmi->irq)
+ free_irq(priv->hdmi->irq, priv);
+
+ del_timer_sync(&priv->edid_delay_timer);
+ cancel_work_sync(&priv->detect_work);
+
+ i2c_unregister_device(priv->cec);
+
+ if (priv->cec_notify)
+ cec_notifier_put(priv->cec_notify);
+}
+
+static int tda998x_create(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
struct device_node *np = client->dev.of_node;
struct i2c_board_info cec_info;
+ struct tda998x_priv *priv;
u32 video;
int rev_lo, rev_hi, ret;
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, priv);
+
mutex_init(&priv->mutex); /* protect the page access */
mutex_init(&priv->audio_mutex); /* protect access from audio thread */
mutex_init(&priv->edid_mutex);
+ INIT_LIST_HEAD(&priv->bridge.list);
init_waitqueue_head(&priv->edid_delay_waitq);
timer_setup(&priv->edid_delay_timer, tda998x_edid_delay_done, 0);
INIT_WORK(&priv->detect_work, tda998x_detect_work);
@@ -1649,13 +1695,13 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
/* read version: */
rev_lo = reg_read(priv, REG_VERSION_LSB);
if (rev_lo < 0) {
- dev_err(&client->dev, "failed to read version: %d\n", rev_lo);
+ dev_err(dev, "failed to read version: %d\n", rev_lo);
return rev_lo;
}
rev_hi = reg_read(priv, REG_VERSION_MSB);
if (rev_hi < 0) {
- dev_err(&client->dev, "failed to read version: %d\n", rev_hi);
+ dev_err(dev, "failed to read version: %d\n", rev_hi);
return rev_hi;
}
@@ -1666,20 +1712,19 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
switch (priv->rev) {
case TDA9989N2:
- dev_info(&client->dev, "found TDA9989 n2");
+ dev_info(dev, "found TDA9989 n2");
break;
case TDA19989:
- dev_info(&client->dev, "found TDA19989");
+ dev_info(dev, "found TDA19989");
break;
case TDA19989N2:
- dev_info(&client->dev, "found TDA19989 n2");
+ dev_info(dev, "found TDA19989 n2");
break;
case TDA19988:
- dev_info(&client->dev, "found TDA19988");
+ dev_info(dev, "found TDA19988");
break;
default:
- dev_err(&client->dev, "found unsupported device: %04x\n",
- priv->rev);
+ dev_err(dev, "found unsupported device: %04x\n", priv->rev);
return -ENXIO;
}
@@ -1722,8 +1767,7 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
tda998x_irq_thread, irq_flags,
"tda998x", priv);
if (ret) {
- dev_err(&client->dev,
- "failed to request IRQ#%u: %d\n",
+ dev_err(dev, "failed to request IRQ#%u: %d\n",
client->irq, ret);
goto err_irq;
}
@@ -1732,13 +1776,13 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
cec_write(priv, REG_CEC_RXSHPDINTENA, CEC_RXSHPDLEV_HPD);
}
- priv->cec_notify = cec_notifier_get(&client->dev);
+ priv->cec_notify = cec_notifier_get(dev);
if (!priv->cec_notify) {
ret = -ENOMEM;
goto fail;
}
- priv->cec_glue.parent = &client->dev;
+ priv->cec_glue.parent = dev;
priv->cec_glue.data = priv;
priv->cec_glue.init = tda998x_cec_hook_init;
priv->cec_glue.exit = tda998x_cec_hook_exit;
@@ -1768,61 +1812,44 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
/* enable EDID read irq: */
reg_set(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD);
- if (!np)
- return 0; /* non-DT */
+ if (np) {
+ /* get the device tree parameters */
+ ret = of_property_read_u32(np, "video-ports", &video);
+ if (ret == 0) {
+ priv->vip_cntrl_0 = video >> 16;
+ priv->vip_cntrl_1 = video >> 8;
+ priv->vip_cntrl_2 = video;
+ }
+
+ ret = tda998x_get_audio_ports(priv, np);
+ if (ret)
+ goto fail;
- /* get the device tree parameters */
- ret = of_property_read_u32(np, "video-ports", &video);
- if (ret == 0) {
- priv->vip_cntrl_0 = video >> 16;
- priv->vip_cntrl_1 = video >> 8;
- priv->vip_cntrl_2 = video;
+ if (priv->audio_port[0].format != AFMT_UNUSED)
+ tda998x_audio_codec_init(priv, &client->dev);
+ } else if (dev->platform_data) {
+ tda998x_set_config(priv, dev->platform_data);
}
- ret = tda998x_get_audio_ports(priv, np);
- if (ret)
- goto fail;
+ priv->bridge.funcs = &tda998x_bridge_funcs;
+#ifdef CONFIG_OF
+ priv->bridge.of_node = dev->of_node;
+#endif
- if (priv->audio_port[0].format != AFMT_UNUSED)
- tda998x_audio_codec_init(priv, &client->dev);
+ drm_bridge_add(&priv->bridge);
return 0;
fail:
- /* if encoder_init fails, the encoder slave is never registered,
- * so cleanup here:
- */
- i2c_unregister_device(priv->cec);
- if (priv->cec_notify)
- cec_notifier_put(priv->cec_notify);
- if (client->irq)
- free_irq(client->irq, priv);
+ tda998x_destroy(dev);
err_irq:
return ret;
}
-static void tda998x_encoder_prepare(struct drm_encoder *encoder)
-{
- tda998x_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-static void tda998x_encoder_commit(struct drm_encoder *encoder)
-{
- tda998x_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-static const struct drm_encoder_helper_funcs tda998x_encoder_helper_funcs = {
- .dpms = tda998x_encoder_dpms,
- .prepare = tda998x_encoder_prepare,
- .commit = tda998x_encoder_commit,
- .mode_set = tda998x_encoder_mode_set,
-};
+/* DRM encoder functions */
static void tda998x_encoder_destroy(struct drm_encoder *encoder)
{
- struct tda998x_priv *priv = enc_to_tda998x_priv(encoder);
-
- tda998x_destroy(priv);
drm_encoder_cleanup(encoder);
}
@@ -1830,40 +1857,12 @@ static const struct drm_encoder_funcs tda998x_encoder_funcs = {
.destroy = tda998x_encoder_destroy,
};
-static void tda998x_set_config(struct tda998x_priv *priv,
- const struct tda998x_encoder_params *p)
-{
- priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(p->swap_a) |
- (p->mirr_a ? VIP_CNTRL_0_MIRR_A : 0) |
- VIP_CNTRL_0_SWAP_B(p->swap_b) |
- (p->mirr_b ? VIP_CNTRL_0_MIRR_B : 0);
- priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(p->swap_c) |
- (p->mirr_c ? VIP_CNTRL_1_MIRR_C : 0) |
- VIP_CNTRL_1_SWAP_D(p->swap_d) |
- (p->mirr_d ? VIP_CNTRL_1_MIRR_D : 0);
- priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(p->swap_e) |
- (p->mirr_e ? VIP_CNTRL_2_MIRR_E : 0) |
- VIP_CNTRL_2_SWAP_F(p->swap_f) |
- (p->mirr_f ? VIP_CNTRL_2_MIRR_F : 0);
-
- priv->audio_params = p->audio_params;
-}
-
-static int tda998x_bind(struct device *dev, struct device *master, void *data)
+static int tda998x_encoder_init(struct device *dev, struct drm_device *drm)
{
- struct tda998x_encoder_params *params = dev->platform_data;
- struct i2c_client *client = to_i2c_client(dev);
- struct drm_device *drm = data;
- struct tda998x_priv *priv;
+ struct tda998x_priv *priv = dev_get_drvdata(dev);
u32 crtcs = 0;
int ret;
- priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- dev_set_drvdata(dev, priv);
-
if (dev->of_node)
crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
@@ -1875,40 +1874,36 @@ static int tda998x_bind(struct device *dev, struct device *master, void *data)
priv->encoder.possible_crtcs = crtcs;
- ret = tda998x_create(client, priv);
- if (ret)
- return ret;
-
- if (!dev->of_node && params)
- tda998x_set_config(priv, params);
-
- drm_encoder_helper_add(&priv->encoder, &tda998x_encoder_helper_funcs);
ret = drm_encoder_init(drm, &priv->encoder, &tda998x_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
if (ret)
goto err_encoder;
- ret = tda998x_connector_init(priv, drm);
+ ret = drm_bridge_attach(&priv->encoder, &priv->bridge, NULL);
if (ret)
- goto err_connector;
+ goto err_bridge;
return 0;
-err_connector:
+err_bridge:
drm_encoder_cleanup(&priv->encoder);
err_encoder:
- tda998x_destroy(priv);
return ret;
}
+static int tda998x_bind(struct device *dev, struct device *master, void *data)
+{
+ struct drm_device *drm = data;
+
+ return tda998x_encoder_init(dev, drm);
+}
+
static void tda998x_unbind(struct device *dev, struct device *master,
void *data)
{
struct tda998x_priv *priv = dev_get_drvdata(dev);
- drm_connector_cleanup(&priv->connector);
drm_encoder_cleanup(&priv->encoder);
- tda998x_destroy(priv);
}
static const struct component_ops tda998x_ops = {
@@ -1919,16 +1914,27 @@ static const struct component_ops tda998x_ops = {
static int
tda998x_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
+ int ret;
+
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
dev_warn(&client->dev, "adapter does not support I2C\n");
return -EIO;
}
- return component_add(&client->dev, &tda998x_ops);
+
+ ret = tda998x_create(&client->dev);
+ if (ret)
+ return ret;
+
+ ret = component_add(&client->dev, &tda998x_ops);
+ if (ret)
+ tda998x_destroy(&client->dev);
+ return ret;
}
static int tda998x_remove(struct i2c_client *client)
{
component_del(&client->dev, &tda998x_ops);
+ tda998x_destroy(&client->dev);
return 0;
}