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Date:      Wed, 23 Apr 2014 19:32:51 +0000 (UTC)
From:      Marius Strobl <marius@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r264832 - head/sys/dev/sound/pci/hda
Message-ID:  <201404231932.s3NJWpNF002730@svn.freebsd.org>

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Author: marius
Date: Wed Apr 23 19:32:50 2014
New Revision: 264832
URL: http://svnweb.freebsd.org/changeset/base/264832

Log:
  - Sprinkle const and static as appropriate.
  - Convert the remainder of snd_hda(4) to take advantage of nitems().
  - Use DEVMETHOD_END.
  - Use NULL instead of 0 for pointers.
  
  MFC after:	3 days

Modified:
  head/sys/dev/sound/pci/hda/hdaa.c
  head/sys/dev/sound/pci/hda/hdac.c
  head/sys/dev/sound/pci/hda/hdacc.c

Modified: head/sys/dev/sound/pci/hda/hdaa.c
==============================================================================
--- head/sys/dev/sound/pci/hda/hdaa.c	Wed Apr 23 19:25:59 2014	(r264831)
+++ head/sys/dev/sound/pci/hda/hdaa.c	Wed Apr 23 19:32:50 2014	(r264832)
@@ -53,7 +53,7 @@ SND_DECLARE_FILE("$FreeBSD$");
 #define hdaa_lockowned(devinfo)	mtx_owned((devinfo)->lock)
 
 static const struct {
-	char *key;
+	const char *key;
 	uint32_t value;
 } hdaa_quirks_tab[] = {
 	{ "softpcmvol", HDAA_QUIRK_SOFTPCMVOL },
@@ -71,28 +71,26 @@ static const struct {
 	{ "ovref", HDAA_QUIRK_OVREF },
 	{ "vref", HDAA_QUIRK_VREF },
 };
-#define HDAA_QUIRKS_TAB_LEN	\
-		(sizeof(hdaa_quirks_tab) / sizeof(hdaa_quirks_tab[0]))
 
 #define HDA_PARSE_MAXDEPTH	10
 
 MALLOC_DEFINE(M_HDAA, "hdaa", "HDA Audio");
 
-const char *HDA_COLORS[16] = {"Unknown", "Black", "Grey", "Blue", "Green", "Red",
-    "Orange", "Yellow", "Purple", "Pink", "Res.A", "Res.B", "Res.C", "Res.D",
-    "White", "Other"};
+static const char *HDA_COLORS[16] = {"Unknown", "Black", "Grey", "Blue",
+    "Green", "Red", "Orange", "Yellow", "Purple", "Pink", "Res.A", "Res.B",
+    "Res.C", "Res.D", "White", "Other"};
 
-const char *HDA_DEVS[16] = {"Line-out", "Speaker", "Headphones", "CD",
+static const char *HDA_DEVS[16] = {"Line-out", "Speaker", "Headphones", "CD",
     "SPDIF-out", "Digital-out", "Modem-line", "Modem-handset", "Line-in",
     "AUX", "Mic", "Telephony", "SPDIF-in", "Digital-in", "Res.E", "Other"};
 
-const char *HDA_CONNS[4] = {"Jack", "None", "Fixed", "Both"};
+static const char *HDA_CONNS[4] = {"Jack", "None", "Fixed", "Both"};
 
-const char *HDA_CONNECTORS[16] = {
+static const char *HDA_CONNECTORS[16] = {
     "Unknown", "1/8", "1/4", "ATAPI", "RCA", "Optical", "Digital", "Analog",
     "DIN", "XLR", "RJ-11", "Combo", "0xc", "0xd", "0xe", "Other" };
 
-const char *HDA_LOCS[64] = {
+static const char *HDA_LOCS[64] = {
     "0x00", "Rear", "Front", "Left", "Right", "Top", "Bottom", "Rear-panel",
 	"Drive-bay", "0x09", "0x0a", "0x0b", "0x0c", "0x0d", "0x0e", "0x0f",
     "Internal", "0x11", "0x12", "0x13", "0x14", "0x15", "0x16", "Riser",
@@ -102,10 +100,10 @@ const char *HDA_LOCS[64] = {
     "Other", "0x31", "0x32", "0x33", "0x34", "0x35", "Other-Bott", "Lid-In",
 	"Lid-Out", "0x39", "0x3a", "0x3b", "0x3c", "0x3d", "0x3e", "0x3f" };
 
-const char *HDA_GPIO_ACTIONS[8] = {
+static const char *HDA_GPIO_ACTIONS[8] = {
     "keep", "set", "clear", "disable", "input", "0x05", "0x06", "0x07"};
 
-const char *HDA_HDMI_CODING_TYPES[18] = {
+static const char *HDA_HDMI_CODING_TYPES[18] = {
     "undefined", "LPCM", "AC-3", "MPEG1", "MP3", "MPEG2", "AAC-LC", "DTS",
     "ATRAC", "DSD", "E-AC-3", "DTS-HD", "MLP", "DST", "WMAPro", "HE-AAC",
     "HE-AACv2", "MPEG-Surround"
@@ -1113,7 +1111,7 @@ hdaa_dump_pin_sb(struct sbuf *sb, struct
 }
 
 static void
-hdaa_dump_amp_sb(struct sbuf *sb, uint32_t cap, char *banner)
+hdaa_dump_amp_sb(struct sbuf *sb, uint32_t cap, const char *banner)
 {
 	int offset, size, step;
 
@@ -1274,7 +1272,7 @@ hdaa_config_fetch(const char *str, uint3
 			inv = 2;
 		else
 			inv = 0;
-		for (k = 0; len > inv && k < HDAA_QUIRKS_TAB_LEN; k++) {
+		for (k = 0; len > inv && k < nitems(hdaa_quirks_tab); k++) {
 			if (strncmp(str + i + inv,
 			    hdaa_quirks_tab[k].key, len - inv) != 0)
 				continue;
@@ -1302,7 +1300,7 @@ hdaa_sysctl_quirks(SYSCTL_HANDLER_ARGS)
 
 	quirks = *(uint32_t *)oidp->oid_arg1;
 	buf[0] = 0;
-	for (i = 0; i < HDAA_QUIRKS_TAB_LEN; i++) {
+	for (i = 0; i < nitems(hdaa_quirks_tab); i++) {
 		if ((quirks & hdaa_quirks_tab[i].value) != 0)
 			n += snprintf(buf + n, sizeof(buf) - n, "%s%s",
 			    n != 0 ? "," : "", hdaa_quirks_tab[i].key);
@@ -1576,7 +1574,7 @@ hdaa_widget_parse(struct hdaa_widget *w)
 static void
 hdaa_widget_postprocess(struct hdaa_widget *w)
 {
-	char *typestr;
+	const char *typestr;
 
 	w->type = HDA_PARAM_AUDIO_WIDGET_CAP_TYPE(w->param.widget_cap);
 	switch (w->type) {
@@ -5778,7 +5776,7 @@ hdaa_dump_pin_configs(struct hdaa_devinf
 }
 
 static void
-hdaa_dump_amp(device_t dev, uint32_t cap, char *banner)
+hdaa_dump_amp(device_t dev, uint32_t cap, const char *banner)
 {
 	int offset, size, step;
 
@@ -6209,7 +6207,7 @@ hdaa_configure(device_t dev)
 	HDA_BOOTVERBOSE(
 		if (devinfo->quirks != 0) {
 			device_printf(dev, "FG config/quirks:");
-			for (i = 0; i < HDAA_QUIRKS_TAB_LEN; i++) {
+			for (i = 0; i < nitems(hdaa_quirks_tab); i++) {
 				if ((devinfo->quirks &
 				    hdaa_quirks_tab[i].value) ==
 				    hdaa_quirks_tab[i].value)
@@ -6834,7 +6832,7 @@ static device_method_t hdaa_methods[] = 
 	DEVMETHOD(hdac_stream_intr,	hdaa_stream_intr),
 	DEVMETHOD(hdac_unsol_intr,	hdaa_unsol_intr),
 	DEVMETHOD(hdac_pindump,		hdaa_pindump),
-	{ 0, 0 }
+	DEVMETHOD_END
 };
 
 static driver_t hdaa_driver = {
@@ -6845,7 +6843,7 @@ static driver_t hdaa_driver = {
 
 static devclass_t hdaa_devclass;
 
-DRIVER_MODULE(snd_hda, hdacc, hdaa_driver, hdaa_devclass, 0, 0);
+DRIVER_MODULE(snd_hda, hdacc, hdaa_driver, hdaa_devclass, NULL, NULL);
 
 static void
 hdaa_chan_formula(struct hdaa_devinfo *devinfo, int asid,
@@ -7143,7 +7141,7 @@ static device_method_t hdaa_pcm_methods[
 	DEVMETHOD(device_probe,		hdaa_pcm_probe),
 	DEVMETHOD(device_attach,	hdaa_pcm_attach),
 	DEVMETHOD(device_detach,	hdaa_pcm_detach),
-	{ 0, 0 }
+	DEVMETHOD_END
 };
 
 static driver_t hdaa_pcm_driver = {
@@ -7152,6 +7150,6 @@ static driver_t hdaa_pcm_driver = {
 	PCM_SOFTC_SIZE,
 };
 
-DRIVER_MODULE(snd_hda_pcm, hdaa, hdaa_pcm_driver, pcm_devclass, 0, 0);
+DRIVER_MODULE(snd_hda_pcm, hdaa, hdaa_pcm_driver, pcm_devclass, NULL, NULL);
 MODULE_DEPEND(snd_hda, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
 MODULE_VERSION(snd_hda, 1);

Modified: head/sys/dev/sound/pci/hda/hdac.c
==============================================================================
--- head/sys/dev/sound/pci/hda/hdac.c	Wed Apr 23 19:25:59 2014	(r264831)
+++ head/sys/dev/sound/pci/hda/hdac.c	Wed Apr 23 19:32:50 2014	(r264832)
@@ -60,21 +60,19 @@ SND_DECLARE_FILE("$FreeBSD$");
 #define HDAC_QUIRK_MSI		(1 << 2)
 
 static const struct {
-	char *key;
+	const char *key;
 	uint32_t value;
 } hdac_quirks_tab[] = {
 	{ "64bit", HDAC_QUIRK_DMAPOS },
 	{ "dmapos", HDAC_QUIRK_DMAPOS },
 	{ "msi", HDAC_QUIRK_MSI },
 };
-#define HDAC_QUIRKS_TAB_LEN	\
-		(sizeof(hdac_quirks_tab) / sizeof(hdac_quirks_tab[0]))
 
 MALLOC_DEFINE(M_HDAC, "hdac", "HDA Controller");
 
 static const struct {
 	uint32_t	model;
-	char		*desc;
+	const char	*desc;
 	char		quirks_on;
 	char		quirks_off;
 } hdac_devices[] = {
@@ -170,7 +168,6 @@ static const struct {
 	{ HDA_SIS_ALL,    "SiS",		0, 0 },
 	{ HDA_ULI_ALL,    "ULI",		0, 0 },
 };
-#define HDAC_DEVICES_LEN (sizeof(hdac_devices) / sizeof(hdac_devices[0]))
 
 static const struct {
 	uint16_t vendor;
@@ -182,8 +179,6 @@ static const struct {
 	{    ATI_VENDORID, 0x42, 0xf8, 0x02 },
 	{ NVIDIA_VENDORID, 0x4e, 0xf0, 0x0f },
 };
-#define HDAC_PCIESNOOP_LEN	\
-			(sizeof(hdac_pcie_snoop) / sizeof(hdac_pcie_snoop[0]))
 
 /****************************************************************************
  * Function prototypes
@@ -254,7 +249,7 @@ hdac_config_fetch(struct hdac_softc *sc,
 			inv = 2;
 		else
 			inv = 0;
-		for (k = 0; len > inv && k < HDAC_QUIRKS_TAB_LEN; k++) {
+		for (k = 0; len > inv && k < nitems(hdac_quirks_tab); k++) {
 			if (strncmp(res + i + inv,
 			    hdac_quirks_tab[k].key, len - inv) != 0)
 				continue;
@@ -1024,7 +1019,7 @@ hdac_probe(device_t dev)
 
 	bzero(desc, sizeof(desc));
 	result = ENXIO;
-	for (i = 0; i < HDAC_DEVICES_LEN; i++) {
+	for (i = 0; i < nitems(hdac_devices); i++) {
 		if (hdac_devices[i].model == model) {
 			strlcpy(desc, hdac_devices[i].desc, sizeof(desc));
 			result = BUS_PROBE_DEFAULT;
@@ -1096,7 +1091,7 @@ hdac_attach(device_t dev)
 	class = pci_get_class(dev);
 	subclass = pci_get_subclass(dev);
 
-	for (i = 0; i < HDAC_DEVICES_LEN; i++) {
+	for (i = 0; i < nitems(hdac_devices); i++) {
 		if (hdac_devices[i].model == model) {
 			devid = i;
 			break;
@@ -1175,7 +1170,7 @@ hdac_attach(device_t dev)
 		 *
 		 * http://msdn2.microsoft.com/en-us/library/ms790324.aspx
 		 */
-		for (i = 0; i < HDAC_PCIESNOOP_LEN; i++) {
+		for (i = 0; i < nitems(hdac_pcie_snoop); i++) {
 			if (hdac_pcie_snoop[i].vendor != vendor)
 				continue;
 			sc->flags &= ~HDAC_F_DMA_NOCACHE;
@@ -2078,7 +2073,7 @@ static device_method_t hdac_methods[] = 
 	DEVMETHOD(hdac_stream_getptr,	hdac_stream_getptr),
 	DEVMETHOD(hdac_unsol_alloc,	hdac_unsol_alloc),
 	DEVMETHOD(hdac_unsol_free,	hdac_unsol_free),
-	{ 0, 0 }
+	DEVMETHOD_END
 };
 
 static driver_t hdac_driver = {
@@ -2089,4 +2084,4 @@ static driver_t hdac_driver = {
 
 static devclass_t hdac_devclass;
 
-DRIVER_MODULE(snd_hda, pci, hdac_driver, hdac_devclass, 0, 0);
+DRIVER_MODULE(snd_hda, pci, hdac_driver, hdac_devclass, NULL, NULL);

Modified: head/sys/dev/sound/pci/hda/hdacc.c
==============================================================================
--- head/sys/dev/sound/pci/hda/hdacc.c	Wed Apr 23 19:25:59 2014	(r264831)
+++ head/sys/dev/sound/pci/hda/hdacc.c	Wed Apr 23 19:32:50 2014	(r264832)
@@ -71,7 +71,7 @@ MALLOC_DEFINE(M_HDACC, "hdacc", "HDA COD
 static const struct {
 	uint32_t id;
 	uint16_t revid;
-	char *name;
+	const char *name;
 } hdacc_codecs[] = {
 	{ HDA_CODEC_CS4206, 0,		"Cirrus Logic CS4206" },
 	{ HDA_CODEC_CS4207, 0,		"Cirrus Logic CS4207" },
@@ -341,7 +341,6 @@ static const struct {
 	{ HDA_CODEC_STACXXXX, 0,	"Sigmatel" },
 	{ HDA_CODEC_VTXXXX, 0,		"VIA" },
 };
-#define HDACC_CODECS_LEN	(sizeof(hdacc_codecs) / sizeof(hdacc_codecs[0]))
 
 static int
 hdacc_suspend(device_t dev)
@@ -381,7 +380,7 @@ hdacc_probe(device_t dev)
 	id = ((uint32_t)hda_get_vendor_id(dev) << 16) + hda_get_device_id(dev);
 	revid = ((uint32_t)hda_get_revision_id(dev) << 8) + hda_get_stepping_id(dev);
 
-	for (i = 0; i < HDACC_CODECS_LEN; i++) {
+	for (i = 0; i < nitems(hdacc_codecs); i++) {
 		if (!HDA_DEV_MATCH(hdacc_codecs[i].id, id))
 			continue;
 		if (hdacc_codecs[i].revid != 0 &&
@@ -389,7 +388,7 @@ hdacc_probe(device_t dev)
 			continue;
 		break;
 	}
-	if (i < HDACC_CODECS_LEN) {
+	if (i < nitems(hdacc_codecs)) {
 		if ((hdacc_codecs[i].id & 0xffff) != 0xffff)
 			strlcpy(buf, hdacc_codecs[i].name, sizeof(buf));
 		else
@@ -713,7 +712,7 @@ static device_method_t hdacc_methods[] =
 	DEVMETHOD(hdac_unsol_free,	hdacc_unsol_free),
 	DEVMETHOD(hdac_unsol_intr,	hdacc_unsol_intr),
 	DEVMETHOD(hdac_pindump,		hdacc_pindump),
-	{ 0, 0 }
+	DEVMETHOD_END
 };
 
 static driver_t hdacc_driver = {
@@ -724,4 +723,4 @@ static driver_t hdacc_driver = {
 
 static devclass_t hdacc_devclass;
 
-DRIVER_MODULE(snd_hda, hdac, hdacc_driver, hdacc_devclass, 0, 0);
+DRIVER_MODULE(snd_hda, hdac, hdacc_driver, hdacc_devclass, NULL, NULL);



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