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author | Takashi Iwai <tiwai@suse.de> | 2013-04-15 21:45:16 +0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2013-04-15 21:45:16 +0400 |
commit | ad2109d7d258a92fa016f1f36b423bfcc69f7efc (patch) | |
tree | f1a98ab99b8e80c376b13ac3a82d750ab9b179cf /drivers/extcon/extcon-max77693.c | |
parent | cbc200bca4b51a8e2406d4b654d978f8503d430b (diff) | |
parent | 5cbad7d39ad229c68a724e5e139fd845b93766b2 (diff) | |
download | linux-ad2109d7d258a92fa016f1f36b423bfcc69f7efc.tar.xz |
Merge tag 'asoc-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.10
A bunch of changes here, the most interesting one subsystem wise being
Morimoto-san's work to create snd_soc_component which doesn't do much
for now but will be pretty important going forwards:
- Add a new component object type which will form the basis of moving
to a more generic handling of SoC and off-SoC components, contributed
by Kuninori Morimoto.
- A fairly large set of cleanups for the dmaengine integration from
Lars-Peter Clausen, starting to move towards being able to have a
generic driver based on the library.
- Performance optimisations to DAPM from Ryo Tsutsui.
- Support for mixer control sharing in DAPM from Stephen Warren.
- Multiplatform ARM cleanups from Arnd Bergmann.
- New CODEC drivers for AK5385 and TAS5086 from Daniel Mack.
Diffstat (limited to 'drivers/extcon/extcon-max77693.c')
-rw-r--r-- | drivers/extcon/extcon-max77693.c | 103 |
1 files changed, 80 insertions, 23 deletions
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c index b70e3815c459..8f3c947b0029 100644 --- a/drivers/extcon/extcon-max77693.c +++ b/drivers/extcon/extcon-max77693.c @@ -32,6 +32,38 @@ #define DEV_NAME "max77693-muic" #define DELAY_MS_DEFAULT 20000 /* unit: millisecond */ +/* + * Default value of MAX77693 register to bring up MUIC device. + * If user don't set some initial value for MUIC device through platform data, + * extcon-max77693 driver use 'default_init_data' to bring up base operation + * of MAX77693 MUIC device. + */ +struct max77693_reg_data default_init_data[] = { + { + /* STATUS2 - [3]ChgDetRun */ + .addr = MAX77693_MUIC_REG_STATUS2, + .data = STATUS2_CHGDETRUN_MASK, + }, { + /* INTMASK1 - Unmask [3]ADC1KM,[0]ADCM */ + .addr = MAX77693_MUIC_REG_INTMASK1, + .data = INTMASK1_ADC1K_MASK + | INTMASK1_ADC_MASK, + }, { + /* INTMASK2 - Unmask [0]ChgTypM */ + .addr = MAX77693_MUIC_REG_INTMASK2, + .data = INTMASK2_CHGTYP_MASK, + }, { + /* INTMASK3 - Mask all of interrupts */ + .addr = MAX77693_MUIC_REG_INTMASK3, + .data = 0x0, + }, { + /* CDETCTRL2 */ + .addr = MAX77693_MUIC_REG_CDETCTRL2, + .data = CDETCTRL2_VIDRMEN_MASK + | CDETCTRL2_DXOVPEN_MASK, + }, +}; + enum max77693_muic_adc_debounce_time { ADC_DEBOUNCE_TIME_5MS = 0, ADC_DEBOUNCE_TIME_10MS, @@ -1045,8 +1077,9 @@ static int max77693_muic_probe(struct platform_device *pdev) { struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent); struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev); - struct max77693_muic_platform_data *muic_pdata = pdata->muic_data; struct max77693_muic_info *info; + struct max77693_reg_data *init_data; + int num_init_data; int delay_jiffies; int ret; int i; @@ -1145,15 +1178,25 @@ static int max77693_muic_probe(struct platform_device *pdev) goto err_irq; } - /* Initialize MUIC register by using platform data */ - for (i = 0 ; i < muic_pdata->num_init_data ; i++) { - enum max77693_irq_source irq_src = MAX77693_IRQ_GROUP_NR; + + /* Initialize MUIC register by using platform data or default data */ + if (pdata->muic_data) { + init_data = pdata->muic_data->init_data; + num_init_data = pdata->muic_data->num_init_data; + } else { + init_data = default_init_data; + num_init_data = ARRAY_SIZE(default_init_data); + } + + for (i = 0 ; i < num_init_data ; i++) { + enum max77693_irq_source irq_src + = MAX77693_IRQ_GROUP_NR; max77693_write_reg(info->max77693->regmap_muic, - muic_pdata->init_data[i].addr, - muic_pdata->init_data[i].data); + init_data[i].addr, + init_data[i].data); - switch (muic_pdata->init_data[i].addr) { + switch (init_data[i].addr) { case MAX77693_MUIC_REG_INTMASK1: irq_src = MUIC_INT1; break; @@ -1167,22 +1210,40 @@ static int max77693_muic_probe(struct platform_device *pdev) if (irq_src < MAX77693_IRQ_GROUP_NR) info->max77693->irq_masks_cur[irq_src] - = muic_pdata->init_data[i].data; + = init_data[i].data; } - /* - * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB - * h/w path of COMP2/COMN1 on CONTROL1 register. - */ - if (muic_pdata->path_uart) - info->path_uart = muic_pdata->path_uart; - else - info->path_uart = CONTROL1_SW_UART; + if (pdata->muic_data) { + struct max77693_muic_platform_data *muic_pdata = pdata->muic_data; - if (muic_pdata->path_usb) - info->path_usb = muic_pdata->path_usb; - else + /* + * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB + * h/w path of COMP2/COMN1 on CONTROL1 register. + */ + if (muic_pdata->path_uart) + info->path_uart = muic_pdata->path_uart; + else + info->path_uart = CONTROL1_SW_UART; + + if (muic_pdata->path_usb) + info->path_usb = muic_pdata->path_usb; + else + info->path_usb = CONTROL1_SW_USB; + + /* + * Default delay time for detecting cable state + * after certain time. + */ + if (muic_pdata->detcable_delay_ms) + delay_jiffies = + msecs_to_jiffies(muic_pdata->detcable_delay_ms); + else + delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); + } else { info->path_usb = CONTROL1_SW_USB; + info->path_uart = CONTROL1_SW_UART; + delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); + } /* Set initial path for UART */ max77693_muic_set_path(info, info->path_uart, true); @@ -1208,10 +1269,6 @@ static int max77693_muic_probe(struct platform_device *pdev) * driver should notify cable state to upper layer. */ INIT_DELAYED_WORK(&info->wq_detcable, max77693_muic_detect_cable_wq); - if (muic_pdata->detcable_delay_ms) - delay_jiffies = msecs_to_jiffies(muic_pdata->detcable_delay_ms); - else - delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); schedule_delayed_work(&info->wq_detcable, delay_jiffies); return ret; |