ath9k: Show channel type and frequency in debugfs.

	.llseek = default_llseek,

};

static const char *channel_type_str(enum nl80211_channel_type t)

{

	switch (t) {

	case NL80211_CHAN_NO_HT:

		return "no ht";

	case NL80211_CHAN_HT20:

		return "ht20";

	case NL80211_CHAN_HT40MINUS:

		return "ht40-";

	case NL80211_CHAN_HT40PLUS:

		return "ht40+";

	default:

		return "???";

	}

}

static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,

			       size_t count, loff_t *ppos)

{

	struct ath_softc *sc = file->private_data;

	struct ieee80211_channel *chan = sc->hw->conf.channel;

	struct ieee80211_conf *conf = &(sc->hw->conf);

	char buf[512];

	unsigned int len = 0;

	u8 addr[ETH_ALEN];

	u32 tmp;

	len += snprintf(buf + len, sizeof(buf) - len,

			"%s (chan=%d ht=%d)\n",

			"%s (chan=%d  center-freq: %d MHz  channel-type: %d (%s))\n",

			wiphy_name(sc->hw->wiphy),

			ieee80211_frequency_to_channel(chan->center_freq),

			conf_is_ht(&sc->hw->conf));

			chan->center_freq,

			conf->channel_type,

			channel_type_str(conf->channel_type));

	put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);

	put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);