From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vladimir Zapolskiy Subject: [PATCH 2/7] ASoC: rt5677: clean up gpiolib callbacks Date: Tue, 2 Jun 2015 02:09:13 +0300 Message-ID: <1433200158-6890-2-git-send-email-vz@mleia.com> References: <1433200031-6748-1-git-send-email-vz@mleia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1433200031-6748-1-git-send-email-vz@mleia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Mark Brown , Liam Girdwood , Linus Walleij , Alexandre Courbot Cc: Oder Chiou , alsa-devel@alsa-project.org, Takashi Iwai , linux-gpio@vger.kernel.org, Bard Liao List-Id: linux-gpio@vger.kernel.org The main intention of the change is to remove bitwise operations on GPIO level value as a preceding change before updating gpiolib callbacks to utilize bool type representing a GPIO level. Usage of generic over GPIO[1-5] macros allows to remove calculations with magic numbers. No functional change. Signed-off-by: Vladimir Zapolskiy Cc: Bard Liao Cc: Oder Chiou --- sound/soc/codecs/rt5677.c | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index 31d969a..28908f5a 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -4507,16 +4507,23 @@ static inline struct rt5677_priv *gpio_to_rt5677(struct gpio_chip *chip) static void rt5677_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct rt5677_priv *rt5677 = gpio_to_rt5677(chip); + unsigned int val = 0; switch (offset) { case RT5677_GPIO1 ... RT5677_GPIO5: + if (value) + val = RT5677_GPIO_OUT_HI(offset); + regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL2, - 0x1 << (offset * 3 + 1), !!value << (offset * 3 + 1)); + RT5677_GPIO_OUT_MASK(offset), val); break; case RT5677_GPIO6: + if (value) + val = RT5677_GPIO6_OUT_HI; + regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL3, - RT5677_GPIO6_OUT_MASK, !!value << RT5677_GPIO6_OUT_SFT); + RT5677_GPIO6_OUT_MASK, val); break; default: @@ -4528,18 +4535,27 @@ static int rt5677_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { struct rt5677_priv *rt5677 = gpio_to_rt5677(chip); + unsigned int val; switch (offset) { case RT5677_GPIO1 ... RT5677_GPIO5: + val = RT5677_GPIO_DIR_OUT(offset); + + if (value) + val |= RT5677_GPIO_OUT_HI(offset); + regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL2, - 0x3 << (offset * 3 + 1), - (0x2 | !!value) << (offset * 3 + 1)); + RT5677_GPIO_DIR_OUT_MASK(offset), val); break; case RT5677_GPIO6: + val = RT5677_GPIO6_DIR_OUT; + + if (value) + val |= RT5677_GPIO6_OUT_HI; + regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL3, - RT5677_GPIO6_DIR_MASK | RT5677_GPIO6_OUT_MASK, - RT5677_GPIO6_DIR_OUT | !!value << RT5677_GPIO6_OUT_SFT); + RT5677_GPIO6_DIR_MASK | RT5677_GPIO6_OUT_MASK, val); break; default: @@ -4568,12 +4584,12 @@ static int rt5677_gpio_direction_in(struct gpio_chip *chip, unsigned offset) switch (offset) { case RT5677_GPIO1 ... RT5677_GPIO5: regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL2, - 0x1 << (offset * 3 + 2), 0x0); + RT5677_GPIO_DIR_MASK(offset), 0x0); break; case RT5677_GPIO6: regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL3, - RT5677_GPIO6_DIR_MASK, RT5677_GPIO6_DIR_IN); + RT5677_GPIO6_DIR_MASK, RT5677_GPIO6_DIR_IN); break; default: -- 2.1.4