Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758188Ab0KPTqS (ORCPT ); Tue, 16 Nov 2010 14:46:18 -0500 Received: from na3sys009aog110.obsmtp.com ([74.125.149.203]:41884 "HELO na3sys009aog110.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1756766Ab0KPTqQ (ORCPT ); Tue, 16 Nov 2010 14:46:16 -0500 X-Greylist: delayed 394 seconds by postgrey-1.27 at vger.kernel.org; Tue, 16 Nov 2010 14:46:15 EST From: Ben Gardiner To: Kevin Hilman , davinci-linux-open-source@linux.davincidsp.com, linux-input@vger.kernel.org, Dmitry Torokhov Cc: linux-kernel@vger.kernel.org, Chris Cordahi , Paul Mundt , Alexander Clouter Subject: [PATCH v2 3/4] da850-evm: extract defines for SEL{A,B,C} pins in UI expander Date: Tue, 16 Nov 2010 14:39:36 -0500 Message-Id: X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2808 Lines: 86 The setup and teardown methods of the UI expander reference the SEL_{A,B,C} pins by 'magic number' in each function. This patch extracts common #defines for their offsets in the expander and uses them. Signed-off-by: Ben Gardiner Reviewed-by: Chris Cordahi --- No changes since v1 --- arch/arm/mach-davinci/board-da850-evm.c | 27 +++++++++++++++------------ 1 files changed, 15 insertions(+), 12 deletions(-) diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index ff71ffd..dcf21e5 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -292,6 +292,9 @@ static const char const *ui_expander_names[] = { "pb7", "pb6", "pb5", "pb4", "pb3", "pb2", "pb1" }; +#define DA850_SEL_A_OFFSET 7 +#define DA850_SEL_B_OFFSET 6 +#define DA850_SEL_C_OFFSET 5 #define DA850_UI_PB8_OFFSET 8 #define DA850_N_UI_PB 8 @@ -336,23 +339,23 @@ static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio, { int sel_a, sel_b, sel_c, ret; - sel_a = gpio + 7; - sel_b = gpio + 6; - sel_c = gpio + 5; + sel_a = gpio + DA850_SEL_A_OFFSET; + sel_b = gpio + DA850_SEL_B_OFFSET; + sel_c = gpio + DA850_SEL_C_OFFSET; - ret = gpio_request(sel_a, "sel_a"); + ret = gpio_request(sel_a, ui_expander_names[DA850_SEL_A_OFFSET]); if (ret) { pr_warning("Cannot open UI expander pin %d\n", sel_a); goto exp_setup_sela_fail; } - ret = gpio_request(sel_b, "sel_b"); + ret = gpio_request(sel_b, ui_expander_names[DA850_SEL_B_OFFSET]); if (ret) { pr_warning("Cannot open UI expander pin %d\n", sel_b); goto exp_setup_selb_fail; } - ret = gpio_request(sel_c, "sel_c"); + ret = gpio_request(sel_c, ui_expander_names[DA850_SEL_C_OFFSET]); if (ret) { pr_warning("Cannot open UI expander pin %d\n", sel_c); goto exp_setup_selc_fail; @@ -396,13 +399,13 @@ static int da850_evm_ui_expander_teardown(struct i2c_client *client, platform_device_unregister(&user_ui_pb_gpio_key_device); /* deselect all functionalities */ - gpio_set_value(gpio + 5, 1); - gpio_set_value(gpio + 6, 1); - gpio_set_value(gpio + 7, 1); + gpio_set_value(gpio + DA850_SEL_C_OFFSET, 1); + gpio_set_value(gpio + DA850_SEL_B_OFFSET, 1); + gpio_set_value(gpio + DA850_SEL_A_OFFSET, 1); - gpio_free(gpio + 5); - gpio_free(gpio + 6); - gpio_free(gpio + 7); + gpio_free(gpio + DA850_SEL_C_OFFSET); + gpio_free(gpio + DA850_SEL_B_OFFSET); + gpio_free(gpio + DA850_SEL_A_OFFSET); return 0; } -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/