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https://github.com/edk2-porting/linux-next.git
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[media] mb86a20s: convert it to use dev_info/dev_err/dev_dbg
Instead of having its own set of macros, use the Kernel default ones for debug, error and info. While here, do some cleanup on the debug printk's. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
dd4493ef34
commit
f66d81b54d
@ -24,18 +24,6 @@ static int debug = 1;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
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#define rc(args...) do { \
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printk(KERN_ERR "mb86a20s: " args); \
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} while (0)
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#define dprintk(args...) \
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do { \
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if (debug) { \
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printk(KERN_DEBUG "mb86a20s: %s: ", __func__); \
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printk(args); \
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} \
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} while (0)
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struct mb86a20s_state {
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struct i2c_adapter *i2c;
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const struct mb86a20s_config *config;
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@ -190,8 +178,9 @@ static int mb86a20s_i2c_writereg(struct mb86a20s_state *state,
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rc = i2c_transfer(state->i2c, &msg, 1);
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if (rc != 1) {
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printk("%s: writereg error (rc == %i, reg == 0x%02x,"
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" data == 0x%02x)\n", __func__, rc, reg, data);
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dev_err(&state->i2c->dev,
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"%s: writereg error (rc == %i, reg == 0x%02x, data == 0x%02x)\n",
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__func__, rc, reg, data);
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return rc;
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}
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@ -225,8 +214,9 @@ static int mb86a20s_i2c_readreg(struct mb86a20s_state *state,
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rc = i2c_transfer(state->i2c, msg, 2);
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if (rc != 2) {
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rc("%s: reg=0x%x (error=%d)\n", __func__, reg, rc);
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return rc;
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dev_err(&state->i2c->dev, "%s: reg=0x%x (error=%d)\n",
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__func__, reg, rc);
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return (rc < 0) ? rc : -EIO;
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}
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return val;
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@ -245,7 +235,6 @@ static int mb86a20s_read_status(struct dvb_frontend *fe, fe_status_t *status)
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struct mb86a20s_state *state = fe->demodulator_priv;
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int val;
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dprintk("\n");
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*status = 0;
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val = mb86a20s_readreg(state, 0x0a) & 0xf;
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@ -267,7 +256,8 @@ static int mb86a20s_read_status(struct dvb_frontend *fe, fe_status_t *status)
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if (val >= 8) /* Maybe 9? */
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*status |= FE_HAS_LOCK;
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dprintk("val = %d, status = 0x%02x\n", val, *status);
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dev_dbg(&state->i2c->dev, "%s: Status = 0x%02x (state = %d)\n",
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__func__, *status, val);
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return 0;
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}
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@ -278,8 +268,6 @@ static int mb86a20s_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
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unsigned rf_max, rf_min, rf;
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u8 val;
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dprintk("\n");
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0);
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@ -300,12 +288,13 @@ static int mb86a20s_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
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rf_max = (rf_max + rf_min) / 2;
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if (rf_max - rf_min < 4) {
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*strength = (((rf_max + rf_min) / 2) * 65535) / 4095;
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dev_dbg(&state->i2c->dev,
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"%s: signal strength = %d (%d < RF=%d < %d)\n",
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__func__, rf, rf_min, rf >> 4, rf_max);
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break;
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}
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} while (1);
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dprintk("signal strength = %d\n", *strength);
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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@ -419,15 +408,17 @@ static int mb86a20s_get_segment_count(struct mb86a20s_state *state,
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unsigned layer)
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{
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int rc, count;
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static unsigned char reg[] = {
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[0] = 0x89, /* Layer A */
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[1] = 0x8d, /* Layer B */
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[2] = 0x91, /* Layer C */
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};
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dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
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if (layer >= ARRAY_SIZE(reg))
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return -EINVAL;
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rc = mb86a20s_writereg(state, 0x6d, reg[layer]);
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if (rc < 0)
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return rc;
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@ -436,13 +427,18 @@ static int mb86a20s_get_segment_count(struct mb86a20s_state *state,
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return rc;
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count = (rc >> 4) & 0x0f;
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dev_dbg(&state->i2c->dev, "%s: segments: %d.\n", __func__, count);
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return count;
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}
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static void mb86a20s_reset_frontend_cache(struct dvb_frontend *fe)
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{
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struct mb86a20s_state *state = fe->demodulator_priv;
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
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/* Fixed parameters */
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c->delivery_system = SYS_ISDBT;
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c->bandwidth_hz = 6000000;
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@ -461,6 +457,8 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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int i, rc;
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dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
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/* Reset frontend cache to default values */
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mb86a20s_reset_frontend_cache(fe);
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@ -479,9 +477,12 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
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/* Get per-layer data */
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for (i = 0; i < 3; i++) {
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dev_dbg(&state->i2c->dev, "%s: getting data for layer %c.\n",
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__func__, 'A' + i);
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rc = mb86a20s_get_segment_count(state, i);
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if (rc < 0)
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goto error;
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goto noperlayer_error;
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if (rc >= 0 && rc < 14)
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c->layer[i].segment_count = rc;
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else {
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@ -491,15 +492,21 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
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c->isdbt_layer_enabled |= 1 << i;
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rc = mb86a20s_get_modulation(state, i);
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if (rc < 0)
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goto error;
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goto noperlayer_error;
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dev_dbg(&state->i2c->dev, "%s: modulation %d.\n",
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__func__, rc);
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c->layer[i].modulation = rc;
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rc = mb86a20s_get_fec(state, i);
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if (rc < 0)
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goto error;
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goto noperlayer_error;
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dev_dbg(&state->i2c->dev, "%s: FEC %d.\n",
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__func__, rc);
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c->layer[i].fec = rc;
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rc = mb86a20s_get_interleaving(state, i);
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if (rc < 0)
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goto error;
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goto noperlayer_error;
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dev_dbg(&state->i2c->dev, "%s: interleaving %d.\n",
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__func__, rc);
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c->layer[i].interleaving = rc;
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}
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@ -544,7 +551,7 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
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}
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}
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error:
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noperlayer_error:
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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@ -558,7 +565,7 @@ static int mb86a20s_initfe(struct dvb_frontend *fe)
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int rc;
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u8 regD5 = 1;
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dprintk("\n");
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dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0);
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@ -585,10 +592,11 @@ err:
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if (rc < 0) {
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state->need_init = true;
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printk(KERN_INFO "mb86a20s: Init failed. Will try again later\n");
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dev_info(&state->i2c->dev,
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"mb86a20s: Init failed. Will try again later\n");
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} else {
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state->need_init = false;
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dprintk("Initialization succeeded.\n");
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dev_dbg(&state->i2c->dev, "Initialization succeeded.\n");
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}
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return rc;
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}
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@ -603,8 +611,7 @@ static int mb86a20s_set_frontend(struct dvb_frontend *fe)
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*/
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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#endif
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dprintk("\n");
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dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
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/*
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* Gate should already be opened, but it doesn't hurt to
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@ -612,7 +619,6 @@ static int mb86a20s_set_frontend(struct dvb_frontend *fe)
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*/
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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dprintk("Calling tuner set parameters\n");
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fe->ops.tuner_ops.set_params(fe);
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/*
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@ -637,13 +643,11 @@ static int mb86a20s_set_frontend(struct dvb_frontend *fe)
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return rc;
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}
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static int mb86a20s_read_status_gate(struct dvb_frontend *fe,
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fe_status_t *status)
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{
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int ret;
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dprintk("\n");
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*status = 0;
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if (fe->ops.i2c_gate_ctrl)
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@ -663,9 +667,10 @@ static int mb86a20s_tune(struct dvb_frontend *fe,
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unsigned int *delay,
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fe_status_t *status)
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{
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struct mb86a20s_state *state = fe->demodulator_priv;
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int rc = 0;
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dprintk("\n");
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dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
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if (re_tune)
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rc = mb86a20s_set_frontend(fe);
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@ -680,7 +685,7 @@ static void mb86a20s_release(struct dvb_frontend *fe)
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{
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struct mb86a20s_state *state = fe->demodulator_priv;
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dprintk("\n");
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dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
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kfree(state);
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}
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@ -690,15 +695,16 @@ static struct dvb_frontend_ops mb86a20s_ops;
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struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
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struct i2c_adapter *i2c)
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{
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struct mb86a20s_state *state;
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u8 rev;
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/* allocate memory for the internal state */
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struct mb86a20s_state *state =
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kzalloc(sizeof(struct mb86a20s_state), GFP_KERNEL);
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state = kzalloc(sizeof(struct mb86a20s_state), GFP_KERNEL);
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dprintk("\n");
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dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
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if (state == NULL) {
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rc("Unable to kzalloc\n");
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dev_err(&state->i2c->dev,
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"%s: unable to allocate memory for state\n", __func__);
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goto error;
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}
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@ -715,9 +721,11 @@ struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
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rev = mb86a20s_readreg(state, 0);
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if (rev == 0x13) {
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printk(KERN_INFO "Detected a Fujitsu mb86a20s frontend\n");
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dev_info(&state->i2c->dev,
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"Detected a Fujitsu mb86a20s frontend\n");
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} else {
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printk(KERN_ERR "Frontend revision %d is unknown - aborting.\n",
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dev_dbg(&state->i2c->dev,
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"Frontend revision %d is unknown - aborting.\n",
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rev);
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goto error;
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}
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