From: Shayne Chen <shayne.chen@mediatek.com> To: Felix Fietkau <nbd@nbd.name> Cc: linux-wireless <linux-wireless@vger.kernel.org>, Lorenzo Bianconi <lorenzo.bianconi@redhat.com>, Ryder Lee <ryder.lee@mediatek.com>, linux-mediatek <linux-mediatek@lists.infradead.org>, Shayne Chen <shayne.chen@mediatek.com> Subject: [PATCH] mt76: mt7915: fix txpower init for TSSI off chips Date: Thu, 1 Apr 2021 10:31:29 +0800 [thread overview] Message-ID: <20210401023129.31941-1-shayne.chen@mediatek.com> (raw) Fix incorrect txpower init value for TSSI off chips which causes too small txpower. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> --- .../wireless/mediatek/mt76/mt7915/eeprom.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index a7ffc20..18be0d6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -124,7 +124,7 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, struct ieee80211_channel *chan, u8 chain_idx) { - int index; + int index, target_power; bool tssi_on; if (chain_idx > 3) @@ -133,15 +133,22 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, tssi_on = mt7915_tssi_enabled(dev, chan->band); if (chan->band == NL80211_BAND_2GHZ) { - index = MT_EE_TX0_POWER_2G + chain_idx * 3 + !tssi_on; + index = MT_EE_TX0_POWER_2G + chain_idx * 3; + target_power = mt7915_eeprom_read(dev, index); + + if (!tssi_on) + target_power += mt7915_eeprom_read(dev, index + 1); } else { - int group = tssi_on ? - mt7915_get_channel_group(chan->hw_value) : 8; + int group = mt7915_get_channel_group(chan->hw_value); + + index = MT_EE_TX0_POWER_5G + chain_idx * 12; + target_power = mt7915_eeprom_read(dev, index + group); - index = MT_EE_TX0_POWER_5G + chain_idx * 12 + group; + if (!tssi_on) + target_power += mt7915_eeprom_read(dev, index + 8); } - return mt7915_eeprom_read(dev, index); + return target_power; } s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band) -- 2.18.0
WARNING: multiple messages have this Message-ID (diff)
From: Shayne Chen <shayne.chen@mediatek.com> To: Felix Fietkau <nbd@nbd.name> Cc: linux-wireless <linux-wireless@vger.kernel.org>, Lorenzo Bianconi <lorenzo.bianconi@redhat.com>, Ryder Lee <ryder.lee@mediatek.com>, linux-mediatek <linux-mediatek@lists.infradead.org>, Shayne Chen <shayne.chen@mediatek.com> Subject: [PATCH] mt76: mt7915: fix txpower init for TSSI off chips Date: Thu, 1 Apr 2021 10:31:29 +0800 [thread overview] Message-ID: <20210401023129.31941-1-shayne.chen@mediatek.com> (raw) Fix incorrect txpower init value for TSSI off chips which causes too small txpower. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> --- .../wireless/mediatek/mt76/mt7915/eeprom.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index a7ffc20..18be0d6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -124,7 +124,7 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, struct ieee80211_channel *chan, u8 chain_idx) { - int index; + int index, target_power; bool tssi_on; if (chain_idx > 3) @@ -133,15 +133,22 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, tssi_on = mt7915_tssi_enabled(dev, chan->band); if (chan->band == NL80211_BAND_2GHZ) { - index = MT_EE_TX0_POWER_2G + chain_idx * 3 + !tssi_on; + index = MT_EE_TX0_POWER_2G + chain_idx * 3; + target_power = mt7915_eeprom_read(dev, index); + + if (!tssi_on) + target_power += mt7915_eeprom_read(dev, index + 1); } else { - int group = tssi_on ? - mt7915_get_channel_group(chan->hw_value) : 8; + int group = mt7915_get_channel_group(chan->hw_value); + + index = MT_EE_TX0_POWER_5G + chain_idx * 12; + target_power = mt7915_eeprom_read(dev, index + group); - index = MT_EE_TX0_POWER_5G + chain_idx * 12 + group; + if (!tssi_on) + target_power += mt7915_eeprom_read(dev, index + 8); } - return mt7915_eeprom_read(dev, index); + return target_power; } s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band) -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek
next reply other threads:[~2021-04-01 2:32 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-01 2:31 Shayne Chen [this message] 2021-04-01 2:31 ` [PATCH] mt76: mt7915: fix txpower init for TSSI off chips Shayne Chen
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210401023129.31941-1-shayne.chen@mediatek.com \ --to=shayne.chen@mediatek.com \ --cc=linux-mediatek@lists.infradead.org \ --cc=linux-wireless@vger.kernel.org \ --cc=lorenzo.bianconi@redhat.com \ --cc=nbd@nbd.name \ --cc=ryder.lee@mediatek.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.