commit 13e00bab0a3e88d89e71d82ebb34b9cb1bd6abe3
author Linux Build Service Account <lnxbuild@localhost> Thu Mar 28 06:44:22 2013 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Thu Mar 28 06:44:22 2013 -0700
tree 97889a933e5aa31d2817d0107c5d68e7489ccb24
parent 16fcdc389f8c24ef695ac7a5aab26e30d94d1ef0
parent b2a42371ec9a367ecbf5b135dd5663061077cca3

Merge "hwmon: qpnp-adc: Add debug information"

drivers/hwmon/qpnp-adc-current.c

diff --git a/drivers/hwmon/qpnp-adc-current.c b/drivers/hwmon/qpnp-adc-current.c
index 2017c8d..60dcada 100644
--- a/drivers/hwmon/qpnp-adc-current.c
+++ b/drivers/hwmon/qpnp-adc-current.c
@@ -404,6 +404,8 @@
 	iadc->adc->calib.gain_uv = (num * QPNP_ADC_GAIN_NV)/
 		(iadc->adc->calib.gain_raw - iadc->adc->calib.offset_raw);
 
+	pr_debug("gain_uv:%d offset_uv:%d\n",
+			iadc->adc->calib.gain_uv, iadc->adc->calib.offset_uv);
 	return 0;
 }
 
@@ -439,6 +441,9 @@
 		goto fail;
 	}
 
+	pr_debug("raw gain:0x%x, raw offset:0x%x\n",
+		iadc->adc->calib.gain_raw, iadc->adc->calib.offset_raw);
+
 	rc = qpnp_convert_raw_offset_voltage();
 	if (rc < 0) {
 		pr_err("qpnp raw_voltage conversion failed\n");
@@ -449,6 +454,8 @@
 							QPNP_BIT_SHIFT_8;
 	rslt_lsb = raw_data & QPNP_RAW_CODE_16_BIT_LSB_MASK;
 
+	pr_debug("trim values:lsb:0x%x and msb:0x%x\n", rslt_lsb, rslt_msb);
+
 	rc = qpnp_iadc_write_reg(QPNP_IADC_SEC_ACCESS,
 					QPNP_IADC_SEC_ACCESS_DATA);
 	if (rc < 0) {
@@ -545,6 +552,8 @@
 		return rc;
 	}
 
+	pr_debug("rsense:0%x\n", rslt_rsense);
+
 	if (rslt_rsense & QPNP_RSENSE_MSB_SIGN_CHECK)
 		sign_bit = 1;
 
@@ -610,6 +619,8 @@
 	}
 
 	rc = qpnp_iadc_get_rsense(&rsense_n_ohms);
+	pr_debug("current raw:0%x and rsense:%d\n",
+			raw_data, rsense_n_ohms);
 
 	num = raw_data - iadc->adc->calib.offset_raw;
 	if (num < 0) {
@@ -658,6 +669,10 @@
 	result->ideal_offset_uv =
 				QPNP_OFFSET_CALIBRATION_SHORT_CADC_LEADS_IDEAL;
 	result->offset_uv = iadc->adc->calib.offset_uv;
+	pr_debug("raw gain:0%x, raw offset:0%x\n",
+			result->gain_raw, result->offset_raw);
+	pr_debug("gain_uv:%d offset_uv:%d\n",
+			result->gain_uv, result->offset_uv);
 	mutex_unlock(&iadc->adc->adc_lock);
 
 	return 0;

drivers/hwmon/qpnp-adc-voltage.c

diff --git a/drivers/hwmon/qpnp-adc-voltage.c b/drivers/hwmon/qpnp-adc-voltage.c
index edbde44..0470a62 100644
--- a/drivers/hwmon/qpnp-adc-voltage.c
+++ b/drivers/hwmon/qpnp-adc-voltage.c
@@ -491,6 +491,9 @@
 		goto calib_fail;
 	}
 
+	pr_debug("absolute reference raw: 625mV:0x%x 1.25V:0x%x\n",
+				calib_read_1, calib_read_2);
+
 	vadc->adc->amux_prop->chan_prop->adc_graph[CALIB_ABSOLUTE].dy =
 					(calib_read_1 - calib_read_2);
 
@@ -555,6 +558,8 @@
 		goto calib_fail;
 	}
 
+	pr_debug("ratiometric reference raw: VDD:0x%x GND:0x%x\n",
+				calib_read_1, calib_read_2);
 	vadc->adc->amux_prop->chan_prop->adc_graph[CALIB_RATIOMETRIC].dy =
 					(calib_read_1 - calib_read_2);
 	vadc->adc->amux_prop->chan_prop->adc_graph[CALIB_RATIOMETRIC].dx =