AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

media: af9013: remove all legacy media attach releated stuff

Browse Source 
No one is binding that driver through media attach so remove it and
all related dead code.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Antti Palosaari 2017-06-23 05:31:49 -04:00 committed by Mauro Carvalho Chehab
parent 04c611e316
commit 12c6b22fbf
2 changed files with 7 additions and 115 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
drivers/media/dvb-frontends/af9013.c
View File

@ -48,7 +48,6 @@ struct af9013_state {
u32 dvbv3_ber;
u32 dvbv3_ucblocks;
bool first_tune;
bool i2c_gate_state;
};
static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
@ -1031,45 +1030,6 @@ static int af9013_sleep(struct dvb_frontend *fe)
return ret;
}
static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
int ret;
struct af9013_state *state = fe->demodulator_priv;
struct i2c_client *client = state->client;
dev_dbg(&client->dev, "enable %d\n", enable);
/* gate already open or close */
if (state->i2c_gate_state == enable)
return 0;
if (state->ts_mode == AF9013_TS_MODE_USB)
ret = regmap_update_bits(state->regmap, 0xd417, 0x08,
enable << 3);
else
ret = regmap_update_bits(state->regmap, 0xd607, 0x04,
enable << 2);
if (ret)
goto err;
state->i2c_gate_state = enable;
return 0;
err:
dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static void af9013_release(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
struct i2c_client *client = state->client;
dev_dbg(&client->dev, "\n");
i2c_unregister_device(client);
}
static const struct dvb_frontend_ops af9013_ops;
static int af9013_download_firmware(struct af9013_state *state)
@ -1172,40 +1132,6 @@ static int af9013_download_firmware(struct af9013_state *state)
return ret;
}
/*
* XXX: That is wrapper to af9013_probe() via driver core in order to provide
* proper I2C client for legacy media attach binding.
* New users must use I2C client binding directly!
*/
struct dvb_frontend *af9013_attach(const struct af9013_config *config,
struct i2c_adapter *i2c)
{
struct i2c_client *client;
struct i2c_board_info board_info;
struct af9013_platform_data pdata;
pdata.clk = config->clock;
pdata.tuner = config->tuner;
pdata.if_frequency = config->if_frequency;
pdata.ts_mode = config->ts_mode;
pdata.ts_output_pin = 7;
pdata.spec_inv = config->spec_inv;
memcpy(&pdata.api_version, config->api_version, sizeof(pdata.api_version));
memcpy(&pdata.gpio, config->gpio, sizeof(pdata.gpio));
pdata.attach_in_use = true;
memset(&board_info, 0, sizeof(board_info));
strlcpy(board_info.type, "af9013", sizeof(board_info.type));
board_info.addr = config->i2c_addr;
board_info.platform_data = &pdata;
client = i2c_new_device(i2c, &board_info);
if (!client || !client->dev.driver)
return NULL;
return pdata.get_dvb_frontend(client);
}
EXPORT_SYMBOL(af9013_attach);
static const struct dvb_frontend_ops af9013_ops = {
.delsys = { SYS_DVBT },
.info = {
@ -1231,8 +1157,6 @@ static const struct dvb_frontend_ops af9013_ops = {
FE_CAN_MUTE_TS
},
.release = af9013_release,
.init = af9013_init,
.sleep = af9013_sleep,
@ -1245,8 +1169,6 @@ static const struct dvb_frontend_ops af9013_ops = {
.read_signal_strength = af9013_read_signal_strength,
.read_ber = af9013_read_ber,
.read_ucblocks = af9013_read_ucblocks,
.i2c_gate_ctrl = af9013_i2c_gate_ctrl,
};
static struct dvb_frontend *af9013_get_dvb_frontend(struct i2c_client *client)
@ -1546,8 +1468,6 @@ static int af9013_probe(struct i2c_client *client,
/* Create dvb frontend */
memcpy(&state->fe.ops, &af9013_ops, sizeof(state->fe.ops));
if (!pdata->attach_in_use)
state->fe.ops.release = NULL;
state->fe.demodulator_priv = state;
/* Setup callbacks */

42
drivers/media/dvb-frontends/af9013.h
View File

@ -38,13 +38,6 @@
* @api_version: Firmware API version.
* @gpio: GPIOs.
* @get_dvb_frontend: Get DVB frontend callback.
*
* AF9013/5 GPIOs (mostly guessed):
* * demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
* * demod#1-gpio#1 - xtal setting (?)
* * demod#1-gpio#3 - tuner#1
* * demod#2-gpio#0 - tuner#2
* * demod#2-gpio#1 - xtal setting (?)
*/
struct af9013_platform_data {
/*
@ -85,36 +78,15 @@ struct af9013_platform_data {
struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
/* private: For legacy media attach wrapper. Do not set value. */
bool attach_in_use;
u8 i2c_addr;
u32 clock;
};
#define af9013_config af9013_platform_data
#define AF9013_TS_USB AF9013_TS_MODE_USB
#define AF9013_TS_PARALLEL AF9013_TS_MODE_PARALLEL
#define AF9013_TS_SERIAL AF9013_TS_MODE_SERIAL
#if IS_REACHABLE(CONFIG_DVB_AF9013)
/**
* Attach an af9013 demod
*
* @config: pointer to &struct af9013_config with demod configuration.
* @i2c: i2c adapter to use.
*
* return: FE pointer on success, NULL on failure.
/*
* AF9013/5 GPIOs (mostly guessed)
* demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
* demod#1-gpio#1 - xtal setting (?)
* demod#1-gpio#3 - tuner#1
* demod#2-gpio#0 - tuner#2
* demod#2-gpio#1 - xtal setting (?)
*/
extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *af9013_attach(
const struct af9013_config *config, struct i2c_adapter *i2c)
{
pr_warn("%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_AF9013 */
#endif /* AF9013_H */