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Mon, 15 Apr 2019 08:26:29 -0400 From: Bogdan Togorean To: CC: , , , Bogdan Togorean Subject: [PATCH 1/1] input: adp5589: Add gpio_set_multiple interface Date: Mon, 15 Apr 2019 15:25:25 +0300 Message-ID: <20190415122525.2576-1-bogdan.togorean@analog.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.55;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(376002)(346002)(396003)(136003)(39860400002)(2980300002)(189003)(199004)(54906003)(316002)(186003)(106002)(14444005)(50226002)(107886003)(106466001)(36756003)(336012)(8936002)(8676002)(47776003)(476003)(2616005)(246002)(6666004)(7696005)(44832011)(5660300002)(305945005)(486006)(426003)(51416003)(2870700001)(77096007)(4326008)(7636002)(86362001)(6916009)(2351001)(126002)(72206003)(356004)(478600001)(53416004)(50466002)(1076003)(2906002)(48376002)(26005)(16060500001);DIR:OUT;SFP:1101;SCL:1;SRVR:BL2PR03MB545;H:nwd2mta1.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail10.analog.com;MX:1;A:1; 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Signed-off-by: Bogdan Togorean --- drivers/input/keyboard/adp5589-keys.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index 2835fba71c33..143871bd60ef 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -416,6 +416,30 @@ static void adp5589_gpio_set_value(struct gpio_chip *chip, mutex_unlock(&kpad->gpio_lock); } +static void adp5589_gpio_set_multiple(struct gpio_chip *chip, + unsigned long *mask, unsigned long *bits) +{ + struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc); + u8 bank, reg_mask, reg_bits; + + mutex_lock(&kpad->gpio_lock); + + for (bank = 0; bank <= kpad->var->bank(kpad->var->maxgpio); bank++) { + if (bank > kpad->var->bank(get_bitmask_order(*mask) - 1)) + break; + reg_mask = mask[bank / sizeof(*mask)] >> + ((bank % sizeof(*mask)) * BITS_PER_BYTE); + reg_bits = bits[bank / sizeof(*bits)] >> + ((bank % sizeof(*bits)) * BITS_PER_BYTE); + kpad->dat_out[bank] &= ~reg_mask; + kpad->dat_out[bank] |= reg_bits & reg_mask; + adp5589_write(kpad->client, kpad->var->reg(ADP5589_GPO_DATA_OUT_A) + bank, + kpad->dat_out[bank]); + } + + mutex_unlock(&kpad->gpio_lock); +} + static int adp5589_gpio_direction_input(struct gpio_chip *chip, unsigned off) { struct adp5589_kpad *kpad = gpiochip_get_data(chip); @@ -517,6 +541,7 @@ static int adp5589_gpio_add(struct adp5589_kpad *kpad) kpad->gc.direction_output = adp5589_gpio_direction_output; kpad->gc.get = adp5589_gpio_get_value; kpad->gc.set = adp5589_gpio_set_value; + kpad->gc.set_multiple = adp5589_gpio_set_multiple; kpad->gc.can_sleep = 1; kpad->gc.base = gpio_data->gpio_start; -- 2.21.0