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[media] drx-j: Properly initialize mpeg struct before using it

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The cfg_mpeg_output has more fields than what it is initialized
when the code is called. Be sure to initialize everything before
use, in order to avoid random behaviors.

Acked-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-03-02 11:01:11 -03:00
parent bf9b94ab92
commit 41b5cc0c91
1 changed files with 11 additions and 45 deletions
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56
drivers/media/dvb-frontends/drx39xyj/drxj.c
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@ -2954,20 +2954,6 @@ ctrl_set_cfg_mpeg_output(struct drx_demod_instance *demod, struct drx_cfg_mpeg_o
case DRX_STANDARD_ITU_C:
break;
default:
/* not an MPEG producing std, just store MPEG cfg */
common_attr->mpeg_cfg.enable_mpeg_output =
cfg_data->enable_mpeg_output;
common_attr->mpeg_cfg.insert_rs_byte =
cfg_data->insert_rs_byte;
common_attr->mpeg_cfg.enable_parallel =
cfg_data->enable_parallel;
common_attr->mpeg_cfg.invert_data = cfg_data->invert_data;
common_attr->mpeg_cfg.invert_err = cfg_data->invert_err;
common_attr->mpeg_cfg.invert_str = cfg_data->invert_str;
common_attr->mpeg_cfg.invert_val = cfg_data->invert_val;
common_attr->mpeg_cfg.invert_clk = cfg_data->invert_clk;
common_attr->mpeg_cfg.static_clk = cfg_data->static_clk;
common_attr->mpeg_cfg.bitrate = cfg_data->bitrate;
return 0;
}
@ -3215,6 +3201,7 @@ ctrl_set_cfg_mpeg_output(struct drx_demod_instance *demod, struct drx_cfg_mpeg_o
else
fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MCLK__M));
if (cfg_data->static_clk == true) { /* Static mode */
u32 dto_rate = 0;
u32 bit_rate = 0;
@ -3546,15 +3533,6 @@ ctrl_set_cfg_mpeg_output(struct drx_demod_instance *demod, struct drx_cfg_mpeg_o
/* save values for restore after re-acquire */
common_attr->mpeg_cfg.enable_mpeg_output = cfg_data->enable_mpeg_output;
common_attr->mpeg_cfg.insert_rs_byte = cfg_data->insert_rs_byte;
common_attr->mpeg_cfg.enable_parallel = cfg_data->enable_parallel;
common_attr->mpeg_cfg.invert_data = cfg_data->invert_data;
common_attr->mpeg_cfg.invert_err = cfg_data->invert_err;
common_attr->mpeg_cfg.invert_str = cfg_data->invert_str;
common_attr->mpeg_cfg.invert_val = cfg_data->invert_val;
common_attr->mpeg_cfg.invert_clk = cfg_data->invert_clk;
common_attr->mpeg_cfg.static_clk = cfg_data->static_clk;
common_attr->mpeg_cfg.bitrate = cfg_data->bitrate;
return 0;
rw_error:
@ -7644,17 +7622,10 @@ static int set_vsb(struct drx_demod_instance *demod)
/* TODO: move to set_standard after hardware reset value problem is solved */
/* Configure initial MPEG output */
struct drx_cfg_mpeg_output cfg_mpeg_output;
memcpy(&cfg_mpeg_output, &common_attr->mpeg_cfg, sizeof(cfg_mpeg_output));
cfg_mpeg_output.enable_mpeg_output = true;
cfg_mpeg_output.insert_rs_byte = common_attr->mpeg_cfg.insert_rs_byte;
cfg_mpeg_output.enable_parallel =
common_attr->mpeg_cfg.enable_parallel;
cfg_mpeg_output.invert_data = common_attr->mpeg_cfg.invert_data;
cfg_mpeg_output.invert_err = common_attr->mpeg_cfg.invert_err;
cfg_mpeg_output.invert_str = common_attr->mpeg_cfg.invert_str;
cfg_mpeg_output.invert_val = common_attr->mpeg_cfg.invert_val;
cfg_mpeg_output.invert_clk = common_attr->mpeg_cfg.invert_clk;
cfg_mpeg_output.static_clk = common_attr->mpeg_cfg.static_clk;
cfg_mpeg_output.bitrate = common_attr->mpeg_cfg.bitrate;
rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output);
if (rc != 0) {
pr_err("error %d\n", rc);
@ -8034,6 +8005,7 @@ static int power_down_qam(struct drx_demod_instance *demod, bool primary)
int rc;
struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr;
struct drx_cfg_mpeg_output cfg_mpeg_output;
struct drx_common_attr *common_attr = demod->my_common_attr;
u16 cmd_result = 0;
/*
@ -8103,7 +8075,9 @@ static int power_down_qam(struct drx_demod_instance *demod, bool primary)
}
}
memcpy(&cfg_mpeg_output, &common_attr->mpeg_cfg, sizeof(cfg_mpeg_output));
cfg_mpeg_output.enable_mpeg_output = false;
rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output);
if (rc != 0) {
pr_err("error %d\n", rc);
@ -10283,19 +10257,9 @@ set_qam(struct drx_demod_instance *demod,
/* Configure initial MPEG output */
struct drx_cfg_mpeg_output cfg_mpeg_output;
memcpy(&cfg_mpeg_output, &common_attr->mpeg_cfg, sizeof(cfg_mpeg_output));
cfg_mpeg_output.enable_mpeg_output = true;
cfg_mpeg_output.insert_rs_byte =
common_attr->mpeg_cfg.insert_rs_byte;
cfg_mpeg_output.enable_parallel =
common_attr->mpeg_cfg.enable_parallel;
cfg_mpeg_output.invert_data =
common_attr->mpeg_cfg.invert_data;
cfg_mpeg_output.invert_err = common_attr->mpeg_cfg.invert_err;
cfg_mpeg_output.invert_str = common_attr->mpeg_cfg.invert_str;
cfg_mpeg_output.invert_val = common_attr->mpeg_cfg.invert_val;
cfg_mpeg_output.invert_clk = common_attr->mpeg_cfg.invert_clk;
cfg_mpeg_output.static_clk = common_attr->mpeg_cfg.static_clk;
cfg_mpeg_output.bitrate = common_attr->mpeg_cfg.bitrate;
rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output);
if (rc != 0) {
pr_err("error %d\n", rc);
@ -19930,7 +19894,9 @@ int drxj_open(struct drx_demod_instance *demod)
}
/* disable mpegoutput pins */
memcpy(&cfg_mpeg_output, &common_attr->mpeg_cfg, sizeof(cfg_mpeg_output));
cfg_mpeg_output.enable_mpeg_output = false;
rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output);
if (rc != 0) {
pr_err("error %d\n", rc);