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[src/trunk]: src/sys/dev/i2c get sensor names from device properties if possible



details:   https://anonhg.NetBSD.org/src/rev/664da8172403
branches:  trunk
changeset: 973766:664da8172403
user:      macallan <macallan%NetBSD.org@localhost>
date:      Sun Jul 12 06:38:56 2020 +0000

description:
get sensor names from device properties if possible

diffstat:

 sys/dev/i2c/dbcool.c |  22 +++++++++++++++++-----
 1 files changed, 17 insertions(+), 5 deletions(-)

diffs (61 lines):

diff -r 1d8045f2987b -r 664da8172403 sys/dev/i2c/dbcool.c
--- a/sys/dev/i2c/dbcool.c      Sun Jul 12 06:37:39 2020 +0000
+++ b/sys/dev/i2c/dbcool.c      Sun Jul 12 06:38:56 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dbcool.c,v 1.54 2019/02/06 08:37:12 martin Exp $ */
+/*     $NetBSD: dbcool.c,v 1.55 2020/07/12 06:38:56 macallan Exp $ */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -50,7 +50,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dbcool.c,v 1.54 2019/02/06 08:37:12 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dbcool.c,v 1.55 2020/07/12 06:38:56 macallan Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -775,6 +775,7 @@
        sc->sc_dc.dc_readreg = dbcool_readreg;
        sc->sc_dc.dc_writereg = dbcool_writereg;
        sc->sc_dev = self;
+       sc->sc_prop = args->ia_prop;
 
        if (dbcool_chip_ident(&sc->sc_dc) < 0 || sc->sc_dc.dc_chip == NULL)
                panic("could not identify chip at addr %d", args->ia_addr);
@@ -1689,10 +1690,18 @@
 {
        int name_index;
        int error = 0;
+       char name[8];
+       const char *desc;
 
        name_index = sc->sc_dc.dc_chip->table[idx].name_index;
-       strlcpy(sc->sc_sensor[idx].desc, dbc_sensor_names[name_index],
-               sizeof(sc->sc_sensor[idx].desc));
+       snprintf(name, 7, "s%02x", sc->sc_dc.dc_chip->table[idx].reg.val_reg);
+       if (prop_dictionary_get_cstring_nocopy(sc->sc_prop, name, &desc)) {
+                strlcpy(sc->sc_sensor[idx].desc, desc,
+                       sizeof(sc->sc_sensor[idx].desc));
+       } else {
+               strlcpy(sc->sc_sensor[idx].desc, dbc_sensor_names[name_index],
+                       sizeof(sc->sc_sensor[idx].desc));
+       }
        sc->sc_regs[idx] = &sc->sc_dc.dc_chip->table[idx].reg;
        sc->sc_nom_volt[idx] = sc->sc_dc.dc_chip->table[idx].nom_volt_index;
 
@@ -1721,9 +1730,12 @@
 
        /* create sysctl node for the sensor if not one already there */
        if (sc->sc_sysctl_num[j] == -1) {
+               int name_index = sc->sc_dc.dc_chip->table[idx].name_index;
+               
                ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, &me2,
                                     CTLFLAG_READWRITE,
-                                    CTLTYPE_NODE, sc->sc_sensor[j].desc, NULL,
+                                    CTLTYPE_NODE, dbc_sensor_names[name_index],
+                                    sc->sc_sensor[j].desc,
                                     NULL, 0, NULL, 0,
                                     CTL_HW, sc->sc_root_sysctl_num, CTL_CREATE,
                                        CTL_EOL);



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